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DC 5V PCM5122 DAC Sound Card Decoder I2S Voice Playback Module for Raspberry Pi 1.Description: It is a HIFI DAC expansion board.This is a special expansion board designed for Raspberry Pi B+. It used DAC chip (PCM5122), I2S interface, non-USB interface, and can support hardware control volume. Af... $16.79
~~$23.99~~ SKU: GY18071
$16.79
~~$23.99~~
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IoT Development Board ESP8266 Wireless WIFI Module 0.91in OLED Display 1.Description: It is a ESP8266 WIFI chip. It has an OLED display and a lithium battery interface,which can easily manage the charge and discharge of lithium batteries, and can be directly used for the development of handheld d... $11.19
~~$15.99~~ SKU: GY18068
$11.19
~~$15.99~~
31

LCR-T4 Transistor Tester ESR Resistor Detector Capacitor Instrument Multifunction Detector W/ Acrylic Shell 12864 LCD Display 1.Description: It is a LCR-T4 transistor tester.It uses an ATmega328 microcontroller. The liquid crystal is a 12864 liquid crystal display with a backlight, and the backlight color is generally yellow-green.Powered by 9v stacked ... $13.99
~~$19.99~~ SKU: GY18057
$13.99
~~$19.99~~
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TPA3116D2 Wireless Bluetooth-compatible Audio Stereo Module 50W+50W BLE5.0 AUX Treble/Bass Adjustable Digital Amplifier Module 1.Description: ZK-502T is a high-power Treble/Bass adjustable stereo Bluetooth audio module.Dual channels audio signal output.Built-in amplifier module therefore it can connect to loudspeaker directly. It supply Bluetoo... $20.71
~~$29.59~~ SKU: GY18048
$20.71
~~$29.59~~
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DIY Kit FM Stereo Radio Module with Headset Adjustable 76-108MHz Wireless Receiver DC 3V Reviewed by ICStation's Outstanding Partner Stefano91ste Reviewed by ICStation's Outstanding Partner todderbert 1.Introduction: The YF... $4.89
~~$6.99~~ SKU: GY18043
$4.89
~~$6.99~~
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Intelligent Temperature Controller 3-Speed Automatic Control Sensor w/ 5V Fan 1.Description: ZK-TC is a Automatic Fan Temperature Controller.It can measure the current ambient temperature to adjust the rotation speed of the fan, so as to achieve the purpose of adjusting the temperature. ... $9.09
~~$12.99~~ SKU: GY18042
$9.09
~~$12.99~~
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DIY Kit FM Stereo Radio Module Adjustable 76-108MHz Wireless Receiver DC 3V 1.Introduction: The YFM-2 type radio circuit is very simple. Total number of components does not exceed 19. Including two types of components: SMD and DIP which are suitabl... $4.19
~~$5.99~~ SKU: GY18041
$4.19
~~$5.99~~
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TTL UART to RS232 Bus Converter RS232 to UART Data Analyzer DB9 Male Socket 1.Description: It is a RS232 to TTL to UART serial module.It uses the SP3232EEN industrial grade chip.It mainly uses MCU, ARM and other MCUs to communicate with the computer through the computer's serial port (COM port). ... $5.59
~~$7.99~~ SKU: GY17928
$5.59
~~$7.99~~
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DIY Kit Sound Light Controller LED Delay Light Voice Controlled Melody Light Audio Indicator DIY Kit Sound Light Controller LED Delay Light Voice Controlled Melody Light Let us see 2 videos first:) 1.Introduction: SCL-8 is a sound light controller. Its... $2.79
~~$3.99~~ SKU: GY17435
$2.79
~~$3.99~~
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DIY Kit SMD RGB LED Flashing Lamp, USB 5V Breathing Light, Gradient Color Decorative Light SMD Soldering Practice Kits SMD RGB LED Flashing Lamp DIY Kit 1.Introduction: It is a RGB full color LED crystal light cubic ring DIY Kit. It uses 28 high-bright full-color LED. A circular mirror black acrylic panel on the front to ... $10.49
~~$14.99~~ SKU: GY17782
$10.49
~~$14.99~~
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DIY Kit Electronic Dice Touch Control LED Lamp Circuit Experiment SMD Soldering Practice Kits 1.Introduction: It is a touch-controlled electronic dice. The displayed numbers are randomly displayed after each press of the touch button. 2.Feature: 1>.Touch button control &nb... $3.49
~~$4.99~~ SKU: GY17781
$3.49
~~$4.99~~
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DIY Kit 10mm RGB LED Flashing Lamp USB 5V Breathing Light Gradient Color Decorative Light Effect Demo about the RGB LED Flashing Lamp DIY Kit 1.Introduction: It is a RGB full color LED light cubic ring DIY Kit. It uses 28 high-bright full-colo... $16.09
~~$22.99~~ SKU: GY17780
$16.09
~~$22.99~~
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USB 5V DIY Kit 10mm RGB LED Flashing Lamp Color Clock Gradient Color Decorative Lights RGB Color Electronic Clock DIY Kit 1.Introduction: Not all clocks use digits to display the time. This neat little clock tells you the time by using different colour for each digit. The colour are based on the resi... $15.39
~~$21.99~~ SKU: GY17779
$15.39
~~$21.99~~
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LCD Digital Battery Capacity Indicator Voltmeter Voltage Tester 24W Voltage Monitor IP6505T for QC2.0/QC3.0/FCP/SCP/MTK/APPLE 1.Introduction: ZK-BC is a Multiple Display Lithium Battery Capacity Indicator. It can measure voltage of different batteries and output voltage and current. Support lithium battery, iron-lithium battery, and lead-acid ... $9.79
~~$13.99~~ SKU: GY17675
$9.79
~~$13.99~~
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DIY Kit Game Toy Machine Red LED Display Module Creative Electronics Experiment Kit for Snake/Plane/Racing/Fruit Slot 1.Introduction: It is a DIY game console that users can install it by themselves to play games. It contains 5 games: Tetris/Snake/Plane/Racing/Fruit Slot. Users can not only learn circuits and practice soldering skills,... $11.19
~~$15.99~~ SKU: GY17674
$11.19
~~$15.99~~
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DIY Kit Wireless Bluetooth-compatible Colorful RGB LED Display Tower 3W Amplifier Infrared Remote Control Electronic DIY Kits Brain-training Toy Gifts 1.Introduction: LED Tower is imitated from Guangzhou Tower. Guangzhou Tower, also known as Guangzhou new TV tower, nickname XiaoManYao. It is the tallest building in Guangzhou, the design of the tower is very characteri... $22.39
~~$31.99~~ SKU: GY17673
$22.39
~~$31.99~~
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Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery 1.Description: It is a battery test stand. It can be used for 18650/AA/AAA/CR2025 Battery. 2.Feature: 1>.Using terminal blocks 2>.Can be used with a variety of batteries 3&... $9.09
~~$12.99~~ SKU: GY17495
$9.09
~~$12.99~~
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ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery 1.Description: It is a battery capacity display module.It can be used to measure the voltage of a battery. 2.Feature: 1>.Digital display 2>.High-strength power interface 3&... $6.99
~~$9.99~~ SKU: GY17494
$6.99
~~$9.99~~
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DC 12V 24V 48V 2-Channel PWM 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm 1.Description: It is a PWM 4-Wire Fan Temperature Controller.It has a temperature and speed display and a stall alarm. 2.Feature: 1>.Digital display 2>.Wide operating voltage 3>.Dual indep... $7.41
~~$10.59~~ SKU: GY17493
$7.41
~~$10.59~~
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DC 12V 2Bit PWM 3-Wire Fan Temperature Controller 2A Speed Governor for PC Fan/Alarm 1.Description: It is a PWM 3-wire fan temperature controller.It can display temperature and fan speed, and can turn off the fan. 2.Feature: 1>.Digital display 2>.Support reverse connection prot... $7.69
~~$10.99~~ SKU: GY17491
$7.69
~~$10.99~~
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DC 12V 24V 48V PWM 4-Wire Fan Temperature Controller Speed Governor Display Module for PC Fan/Alarm 1.Description: It is a PWM 4-Wire Fan temperature controller.It can be used for industrial fans. 2.Feature: 1>.Digital display 2>.Support EC four-wire fan control 3>.Support low temperatu... $5.95
~~$8.50~~ SKU: GY17486
$5.95
~~$8.50~~
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DC 12V Water Level Detection Sensor Module Liquid Level Controller For Pond Tank Water Level Detection 1.Description: It is a Water Level Detection Sensor Module.This product is based on detecting the water level of the pool(water tower) to control the high current relay to achieve the control.It can stably realize that the poo... $4.89
~~$6.99~~ SKU: GY17485
$4.89
~~$6.99~~
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DC 12V 24V Voice Playback Module DY-HV20T High Power Digital Amplifier Module TF Card Socket Mono 20W 8ohm MP3 WAV UART Controller for Arduino 1.Description: DY-HV20T is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control. Onboard 20W Cla... $4.89
~~$6.99~~ SKU: GY17437
$4.89
~~$6.99~~
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USB Downloader Bootloader for NRF5182 NRF51422 Wireless Bluetooth-compatible Module 1.Description: It is a downloader.It is mainly used to download code for nRF51 chip. 2.Feature: 1>.Portable design 2>.SWD SWCLK GND VCC four-wire interface 3>.Short-circ... $10.49
~~$14.99~~ SKU: GY17354
$10.49
~~$14.99~~
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TDA7297 15W+15W Dual Channel Audio Amplifier Board Description: PCB Size: 4.8cmx4.8cm; Voltage: DC 9-15V, AC 9-12V, recommended DC voltage 12V, current 2A above; Power: 15W +15 W; Output Impedance: 4-8 ohm Note: If you like to assemble it by yourself, we al... $5.59
~~$7.99~~ SKU: GY17317
$5.59
~~$7.99~~
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12V 25W PI Polyimide Flexible Adhesive Heater 100x100mm Polyimide Heating Film 1.Description: It is a polyimide heating film.It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element,and heat-sealed by high temperature and high pressure.It has excellent insu... $4.19
~~$5.99~~ SKU: GY17205
$4.19
~~$5.99~~
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24V 50W PI Polyimide Flexible Adhesive Heater 95x135mm Polyimide Heating Film 1.Description: It is a polyimide heating film. It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element, and heat-sealed by high temperature and high pressure. It has excellent i... $4.89
~~$6.99~~ SKU: GY17204
$4.89
~~$6.99~~
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DC 5V 12V 24V Trigger Counter Module MOS Delay Circuit Switch Timer 32-Function 1.Description: It is a delay MOS tube module.It can be used to control motors,LED strips,DC motors,miniature water pumps,solenoid valves,etc. 2.Feature: 1>.Digital dispiay 2>.No noise... $4.19
~~$5.99~~ SKU: GY17192
$4.19
~~$5.99~~
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DC 5V MP3 Voice Module, 4M Flash Voice Playback Module with 3W Amplifier for Broadcast Alarm 1.Description: It is a 4M flash voice playback module.It can play music by inserting TF card. It can be connected to the human body's infrared sensing head, and the human body's infrared trigger will play the voice onc... $3.91
~~$5.59~~ SKU: GY17114
$3.91
~~$5.59~~
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DC 5V 4 Channel Wireless WIFI Transceiver Module IoT Remote Controller 4Bit Switch Module APP Transceiver for eWeLink 1.Description: LC-EWL-B04-MB is a WIFI module based 4 channel WIFI wireless switch controller. It integrates with MCU and GPIO control. It supports to connect and control 4 home appliances which can be t... $6.01
~~$8.59~~ SKU: GY17105
$6.01
~~$8.59~~
(1 Feedback) 30

Infrared Transceiver ESP8285 Wireless Transceiver Module WIFI Remote Control Switch Development Learning Board 1.Description: It is a Infrared ESP8285 Wireless WIFI Transceiver Module. The esp-01m module with ESP8285 as the core be used as the master control, the program is the same as ESP8266. The module is equi... $6.29
~~$8.99~~ SKU: GY17103
$6.29
~~$8.99~~
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Downloader Tester Shield for ESP-01/01S/12E/12F/12S/18T ESP8266 IoF Wireless WIFI Transceiver Module 1.Description: It is a Downloader for ESP-12S/12F/12E/07S/07S/01S/01 WIFI Wireless Module.It has output all GPIO ports for user debugging. 2.Feature: 1>.Super simple operation 2>.Repe... $7.69
~~$10.99~~ SKU: GY17101
$7.69
~~$10.99~~
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AC/DC 12V 200ohm Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument LCD Display Impedance Meter 1.Description: It is a LCD display resistance tester which can test the resistance of the load. 2.Feature: 1>.AC and DC dual power supply 2>.LCD high-definition display 3>.High... $8.81
~~$12.59~~ SKU: GY16938
$8.81
~~$12.59~~
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8-Channel USB Output Buck Converter 8USB DC-DC Step Down Power Supply Charging Module 5V 5A 1.Description: It is a step-down charging module.The product itself has a power converter.It can be used for mobile phones,tablets,recorders and other equipment with 5V input voltage. 2.Feature: 1>.Anti-re... $9.51
~~$13.59~~ SKU: GY16930
$9.51
~~$13.59~~
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2-Channel QC2.0 QC3.0 SCP AFC LED Digital Display Buck Converter 2USB DC-DC Step Down Power Supply Module 5V 5A 1.Description: It is a digital display buck module.It has anti-reverse protection and overcurrent protection. 2.Feature: 1>.Digital dispiay 2>.Anti-reverse protection 3>.Overcurrent prote... $9.09
~~$12.99~~ SKU: GY16928
$9.09
~~$12.99~~
30

DC 12V 24V Voice Playback Module High Power Digital Amplifier Module 8M FLASH Mono 20W 8ohm MP3 WAV UART Controller for Arduino 1.Description: DY-HV8F is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control, Standard MP3 ... $6.29
~~$8.99~~ SKU: GY16922
$6.29
~~$8.99~~
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Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery 1.Description: It is a multifunctional battery voltage control switch.It is a digital display charging control board.It can be used as a battery charging module. 2.Feature: 1>.Digital display &... $6.29
~~$8.99~~ SKU: GY16859
$6.29
~~$8.99~~
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DC 12V High Temperature Contorller -10C~210C Red+Blue Display Thermostat NTC Sensor Waterproof Metal Probe Relay Output Return Temperature 1.Description: It is a High temperature controller.It can control the temperature of the environment. 2.Feature: 1>.Fast refresh rate 2>.Digital dispiay 3>.High precision 4>.M... $5.59
~~$7.99~~ SKU: GY16853
$5.59
~~$7.99~~
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Red Digital Thermometer Display Screen Module Temperature Meter for DS18B20 Temperature Sensor -55℃~125℃ 1.Description: It is a digital thermometer display screen module for DS18B20 temperature sensor.It is a high-precision digial display with temperature character. 2.Feature: 1>.Digital display &... $4.19
~~$5.99~~ SKU: GY16851
$4.19
~~$5.99~~
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SCL-10A AMP PWM PV Solar Charge Controller 12V 24V Solar Panel Battery RV Boat PWM Charging Controller 12V 24V Solar Charge Controller 1.Description: It is a 12V 24V Solar Charge Controller. It can only charge 12V or 24V battery and just can connect to solar generator with rated voltage of 18V. 2.F... $13.29
~~$18.99~~ SKU: GY16701
$13.29
~~$18.99~~
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DC 5V Wireless Bluetooth-compatible Receiver Audio Transceiver Module, MP3 Lossless Decoder Board, Transmitter Receiver Support FM U-disk TF Card Audio Signal Input Acrylic Shell 1.Description: It is a Bluetooth Audio Transceiver Module Lossless Decoder. It support Bluetooth/U-disk/TF Card/FM/AUX audio input and remote control. It can not only receive Bluetooth signals, but also send Bluetooth audio s... $11.89
~~$16.99~~ SKU: GY16700
$11.89
~~$16.99~~
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2.4GHz CC2520 Controller Development Board for ZigBee Wireless Transceiver Module SMA Antenna Socket 1.Description: The CC2520 is TI's second generation ZigBee IEEE 802.15.4 RF transceiver for the 2.4GHz unlicensed ISM band. This chip enables industrial grade applications by offering state-of-the-art selectivity/co-existe... $4.89
~~$6.99~~ SKU: GY16695
$4.89
~~$6.99~~
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2.4GHz CC2530F256 Wireless Transceiver Module IOT Controller 2.5mW DC 2.0V-3.6V 1.Description: It is a 2.4GHz CC2530F256 Wireless Transceiver Module. It integrates 2.4GHz IEEE 802.15.4 and ZigBee and RF4CE applications on the SoC, and it can build a powerful network node at a very low cost. ... $7.69
~~$10.99~~ SKU: GY16688
$7.69
~~$10.99~~
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ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control 1.Description: It is a ESP8266 WIFI Wirelesss Transceiver Module.It base on ESP8266EX controller.It supports data transparent transmission function and Airkiss protocol. 2.Feature: 1>.UART to WIFI ... $4.89
~~$6.99~~ SKU: GY16687
$4.89
~~$6.99~~
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Waterproof DC-DC 3USB Step Down Power Supply Module 9V/12V/24V to 5V 6A Voltage Converter for Driving Recorder 1.Description: It is a Waterproof Non-isolated Step Down Power Supply Converter.It can output three stable 5V voltage from USB. 2.Feature: 1>.Waterproof 2>.ABS flame retardant plastic... $6.15
~~$8.79~~ SKU: GY16685
$6.15
~~$8.79~~
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Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V 1.Description: The differential amplifying circuit utilizes the symmetry of the circuit parameters and the negative feedback to effectively stabilize the static operating point, and amplifies the differential mode signa... $5.59
~~$7.99~~ SKU: GY16681
$5.59
~~$7.99~~
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DC 5V 12V RGB LED Sound Control Sensor Audio Spectrum Display Module Volume LED Level Indicator 1.Description: It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone,the amount of automatic brightness and the number of LEDs. 2.Featur... $4.82
~~$6.89~~ SKU: GY16348
$4.82
~~$6.89~~
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DC 5V 12V RGB LED Mono Sound Control Sensor Audio Spectrum Display Module 1.Description: It is a mono music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone, the amount of automatic brightness and the number of LEDs. 2.... $5.59
~~$7.99~~ SKU: GY16347
$5.59
~~$7.99~~
(1 Feedback) 31

DC 5V 12V Blue LED Voice Sensor Audio Spectrum Display Module Two-channel Input 1.Description: It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the size of the audio, the amount of automatic brightness and the number of LEDs. 2.Feature: 1&... $6.29
~~$8.99~~ SKU: GY16346
$6.29
~~$8.99~~
30

ESP32-CAM ESP32 5V WIFI Bluetooth-compatible Development Board with OV2640 Camera Module 1.Description: The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleep current and a minimum of 6mA. ... $8.25
~~$11.79~~ SKU: GY16338
$8.25
~~$11.79~~
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Battery Capacity Tester mAh mWh for 18650 Lithium Battery Voltage Discharge Capacity and Discharge Energy 1.Description: It is a Lithium battery capacity tester.It is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery. 2.Feature: 1>.Dual working power supply ... $8.05
~~$11.50~~ SKU: GY16328
$8.05
~~$11.50~~
30

DC-DC Step UP Down Power Supply Module Adjustable 20W Boost Buck Voltage Converter Positive & Negative Dual Output 5V-24V to +/-3V-30V for Amplifier 1.Description: It is a Adjustable Dual Output Step UP/Down Power Supply Module with input DC 3.6V~30V and output DC +/-3V~30V. 2.Feature: 1>.Low ripple 2>.High efficiency 3... $8.39
~~$11.99~~ SKU: GY16078
$8.39
~~$11.99~~
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DC-DC Step Down Power Supply Module Buck Voltage Converter 4Bit 3.3V 5V 12V Adjustable Output 1.Description: It is a Step Down Power Supply Module with input DC 4.5V~30V and output DC 2V~28V. It can output three stable 3.3V/5V/12V voltage and one adjustable output voltage. 2.Feature: 1>.Low... $7.41
~~$10.59~~ SKU: GY16075
$7.41
~~$10.59~~
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650nm 5mW 3V Laser Red Cross Symbol Module Red Laser Diode Laser Pointer Horizontal Positioning Light 1.Description: It is a 650nm 5mW 3V Red Cross Laser Module.Its effect is a dot that can be used for horizontal positioning, pointing point and so on. 2.Feature: 1>.Continuous laser 2>... $3.75
~~$5.35~~ SKU: GY16071
$3.75
~~$5.35~~
30

QA-1/155 0.25mm 100g Polyurethane Enameled Copper Wire Electromagnetic Wire 2UEW For Transformer Wire Inductance coil 1.Description: It is a QA-1/155 insulated copper wire. 2.Feature: 1>.Insulated copper wire 2>.Easy and convenient 3>.High softness 3.Parameter: ... $5.80
~~$8.29~~ SKU: GY16068
$5.80
~~$8.29~~
30

AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module 1.Description: LC-Relay-ESP12-1R-MV single relay development board onboard ESP-12F WiFi module, I/O orifice full lead, support AC90-250V/DC7-12V/USB 5V etc. many supply power way. Provide Arduino develop environment reference ... $6.99
~~$9.99~~ SKU: GY16060
$6.99
~~$9.99~~
30

DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3 1.Description: It is a UART to RJ45 Ethernet Network Converter Module with CH9121 controller.The CH9192 has built-in TCP/IP communication protocol.It can realize two-way transparent transmission of network data packe... $7.41
~~$10.59~~ SKU: GY16057
$7.41
~~$10.59~~
30

DC 5V 1A Charging Discharge Module for 18650 Lithium Battery UPS Voltage Converter 1.Description: It is a UPS uninterruptible power supply control board. 2.Features: 1>.Support charging and discharging at the same time 2>.Large current 3>.Small size ... $1.39
~~$1.99~~ SKU: GY16054
$1.39
~~$1.99~~
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TPS5430 30W Positive Negative Dual Buck Step Down Power Supply Module with Switching 12V Output 1.Description: It is a Dual Output Step Down Power Supply Module with input DC 13V~36V and output DC -12V and +12V. It can provide stable +/-12V output.It can maximum output 2.5A. 2.Feature: 1>.Low... $9.09
~~$12.99~~ SKU: GY15607
$9.09
~~$12.99~~
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AC-DC DC-DC Step Down Power Supply Module 50W Buck Adjustable Voltage Converter AC 5V-22V DC 5V-35V to DC 3V-30V 1.Description: It is a DC-DC step down power supply module. It can output 4.5A at maximum and 50W and used for amplifier module. 2.Feature: 1>.High power output 2>.Stable 4.5A output ... $4.12
~~$5.89~~ SKU: GY15608
$4.12
~~$5.89~~
30

RDA5820N FM Frequency Modulation Transceiver Module 76-108.0MHz FM Broadcast Transmitter Receiver 1.Description: RDA5820NS is a new generation single-chip broadcast FM receive/transmit module.It can be used both as an FM transmitter and as an FM receiver. It reads and sends data from the public IIC interface. ... $3.98
~~$5.69~~ SKU: GY15611
$3.98
~~$5.69~~
31

DC 3.3V LPS22HB Atmospheric Pressure Sensor Module IIC SPI for Arduino 1.Description: The LPS22HB is a barometric sensor module. It can measure 500 meters from the sea floor to an altitude of 9000 meters in the air, and the accuracy can reach 10cm (1pa resolution), which is very suitable for floo... $5.45
~~$7.79~~ SKU: GY15618
$5.45
~~$7.79~~
30

DC 12V 0.01-2000MHz 2GHz 32dB LNA Broadband RF Low Noise Amplifier Module 1.Description: The amplifier has the advantages of wide frequency range, high gain, low noise figure, etc. It can be used in various RF receiving front ends to increase the communication distance. Wide r... $11.89
~~$16.99~~ SKU: GY15612
$11.89
~~$16.99~~
30

DIY Kit RGB Flash LED Circuit Colorful Christmas Trees LED Soldering Practice Kits Xmas Fun Gift DC 4.5V-5.5V RGB LED Flash Christmas Tree DIY Kit 1.Introduction: It is a flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night e... $6.22
~~$8.89~~ SKU: 14959
$6.22
~~$8.89~~
31

Lithium Battery Capacity Indicator Voltmeter Voltage Tester 5V 2A Dual USB Output 12.6V for 3pcs 3.7V 4.2V Lithium Batteries 1.Description: It is a dual display Lithium Battery Capacity Indicator.It can measure 3.7V or 4.2V battery and support dual USB output. 2.Feature: 1>.Dual display 2>.Dual USB output ... $4.19
~~$5.99~~ SKU: 15192
$4.19
~~$5.99~~
31

Red Display Lithium Battery Capacity Indicator Voltmeter ON/OFF Controller Voltage Tester 12.6V for 12V Lead-acid Battery or 4pcs 3.7V 4.2V Lithium Batteries 1.Description: It is a dual display Lithium Battery Capacity Indicator.It can measure 3.7V or 4.2V battery and support dual USB output. 2.Feature: 1>.Dual display 2>.Dual USB output ... $4.19
~~$5.99~~ SKU: 15189
$4.19
~~$5.99~~
31

BK3266 Bluetooth-compatible Power Amplifier Board 2x30W/20W Support AUX Audio Input Support Change Name and Password 1.Description: It is a BK3266 Bluetooth 5.0 stereo audio transceiver module support amplifier module.It has a built-in amplifier module and can connect to speaker directly.It can also modify the Bluetooth name or password. ... $12.59
~~$17.99~~ SKU: 15187
$12.59
~~$17.99~~
30

YF-S402C DC 5V 12V 3/8inch G3/8 Water Flow Hall Sensor Switch Flowmeter Hall Sensor Counter 0.8MPa 10L/min 1.Description: It is a flow meter for measuring water flow. 2.Feature: 1>.High precision 2>.High pressure resistance 3>.Standard size 3.Parameter: &nb... $3.84
~~$5.49~~ SKU: 15149
$3.84
~~$5.49~~
31

DC 12V 10minute Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board 1.Description: QF1025 is a trigger delay module.User can adjust delay time by potentiometer to meet require. 2.Feature: 1>.Low level trigger 2>.Support input reverse connection protec... $3.49
~~$4.99~~ SKU: 15148
$3.49
~~$4.99~~
31

DC 5V 12V 36V Trigger Counter Module Accumulator 0.56inch 4-Bit Red Digital Tube Display 1.Description: QF-C04 is a trigger counter. Each time input a trigger signal, the calculator adds one. Returns 0 when press Clear button. 2.Feature: 1>.Wide voltage input 2>.4Bit Red ... $4.19
~~$5.99~~ SKU: 15147
$4.19
~~$5.99~~
31

AC 220V 99s 99min Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board JK13P-AR 1.Description: JK13P-AR is a trigger delay module.User can adjust delay time by potentiometer to meet require. 2.Feature: 1>.High voltage trigger 2>.Delay time can be set 3... $4.19
~~$5.99~~ SKU: 15144
$4.19
~~$5.99~~
31

DM09 DC-DC Step Down Power Supply Module 3.3V 10A Voltage Conveter Buck Output DC 5V-28V to DC 3.3V 1.Description: It is a Step Down Power Supply Module with input DC 5V~28V and output DC 3.3V.It can provide a stable 3.3V output. 2.Feature: 1>.Low ripple 2>.High efficiency ... $4.40
~~$6.29~~ SKU: 15094
$4.40
~~$6.29~~
31

DD06CVSA Lithium Battery Charging Discharging Protector Power Support Module for 3.7V 4.2V Battery 1.Description: It is a Lithium Battery Charging Discharging Protector.It support charging, discharging, charging protection, battery capacity indicator. 2.Feature: 1>.Support charging 2&... $3.91
~~$5.59~~ SKU: 15087
$3.91
~~$5.59~~
30

8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller 1.Description: R421A08 8 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 8bit input signal ... $13.29
~~$18.99~~ SKU: 15080
$13.29
~~$18.99~~
30

5V USB Multi-function Meter LCD Voltmeter Ammeter Battery Capacity Tester Power Tester Temperature Display 1.Description: XY-UDT is a multi-function voltage-ammeter. It can work in three mode: Power Supply Mode,Voltage-Ammeter Mode,PWM Mode.Its main function is to output voltage as a constant voltage constant current source ... $19.31
~~$27.59~~ SKU: 15078
$19.31
~~$27.59~~
31

Lithium Battery Charge Controller Battery Protection Board XY-CD60L 6V-60V LCD Display Battery Charging Control Board 1.Description: XY-CD60L is a battery charge and discharge controller module. It can be used for DC 6V~60V any one lithium/lead-acid battery. 2.Features: 1>.Multi-function test instrum... $6.99
~~$9.99~~ SKU: 15077
$6.99
~~$9.99~~
30

Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description: LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol. It can realize 2bit input signal dete... $6.29
~~$8.99~~ SKU: 15045
$6.29
~~$8.99~~
30

4 Channel Modbus Relay Module 4Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description: LC 4 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol. It can realize 4bit input signal dete... $8.39
~~$11.99~~ SKU: 15044
$8.39
~~$11.99~~
30

DC 5V 4 Channel ESP8266 Wireless WIFI Module IoT Remote Controller 4CH 4Bit Switch Module APP Transceiver Self-locking/inching 1.Description: FY-WF4 is a WIFI module based 4 channel WIFI wireless switch controller. It integrates with MCU and GPIO control.It supports to connect and control 4 home appliances which can be turned on/off by app eWeLink and... $6.01
~~$8.59~~ SKU: 15035
$6.01
~~$8.59~~
30

5.8GHz DC 3.3V 5V 9V 12V Microwave Radar Sensor Module 20W Voltage Output Switch Controller 1.Description: XZG-LDK-6-CS is a 5.8GHz microwave radar sensor module.It can output voltage as same to input and the maximum output current is 2A so it can directly drive LED and other load. 2.Feature: ... $3.84
~~$5.49~~ SKU: 15025
$3.84
~~$5.49~~
31

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