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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
30
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
30
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
30
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
30
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...
$11.99
SKU: 15044
$11.99
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
3.3V to 24V 8-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 8Bit PNP Output PLC Signal Converter
1.Description:
DST-1R8P-P is a 8CH optocoupler isolator for signal converter.It is used for digital signal one-way conversion and PNP output.
2.Features:
1>.Optocoupler isolator
2>.Co...
$7.69
$10.99
SKU: 15022
$7.69
$10.99
31
50W+50W HIFI Bluetooth-compatible Audio Stereo Module BLE5.0 TPA3116 AUX Digital Amplifier Module ZK-502C DC5-27V
1.Description:
ZK-502C is a high-power stereo Bluetooth audio module. Dual channels audio signal output.
Adopt TPA3116D2 (with AM Interference Suppression Function) Chips, With Excellent Sound Qu...
$13.29
$18.99
SKU: 14855
$13.29
$18.99
30
XY-CD60 Lithium Battery Charge Controller Battery Protection Board 6V-60V LCD Display Battery Charging Control Board
1.Description:
XY-CD60 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 ins...
$6.99
$9.99
SKU: 14854
$6.99
$9.99
30
16 Channel PLC Amplifier Module Isolated Transistor Controller NPN Signal Converter 16bit PLC Protector Optocoupler
1.Description:
It is a 16Channel PLC Amplifier Module.It adopts optocoupler isolation control, NPN signal output, safe and reliable.
2.Features:
1>.Optocoupler isolation control
2>.16...
$20.99
$29.99
SKU: 14756
$20.99
$29.99
30
LM393 5V 1Bit Voltage Comparator Single Channel Relay Control Circuit Module
1.Description:
It is a DC 5V 1Bit Voltage Comparator Module.It controls the output state of the relay by comparing the two voltages.
2.Features:
1>.Settable reference voltage
2>.Input...
$5.95
$8.50
SKU: 14753
$5.95
$8.50
30
Bluetooth-compatible Power Amplifier Board 50W+50W 12V 24V Receiver Module Support TF Card U-Disk
1.Description:
It is a Bluetooth power amplifier board with high-fidelity stereo sound quality, Bluetooth audio input and support U-disk/TF card audio file input.
Support unobstructed onnected to 15 meters (depen...
$11.89
$16.99
SKU: 14750
$11.89
$16.99
30
DC 12V Photosensitive Sensor Controller Relay Driver Waterproof Brightness Adjustable Switch
1.Description:
The precision 1-channel photo-relay module adopts genuine high-quality industrial-grade components, military-grade double-sided PCB board, and has two-color LED signal indicator; the layout is comprehensive, the...
$4.87
$6.95
SKU: 14748
$4.87
$6.95
30
DC-DC 20A CVCC High Power Supply Module 6V-40V to 1.2V-35V Step Down Converter Buck Module LED Driver
1.Description:
It is a DC-DC 20A high power boost buck constant voltage constant current non-isolated power supply module.It supports adjust output voltage and output current.
【20A CVCC Step-down Power Module w/Overcur...
$6.99
$9.99
SKU: 14746
$6.99
$9.99
30
DC-DC 200W High Power Supply Module 6V-35V to 7V-55V Step UP Converter Boost Module with Case
1.Description:
It is a DC-DC 200W high power boost non-isolated power supply module.It supports adjust output voltage.It comes with an aluminum alloy casing for easy and convenient use.
2.Feature:
1&g...
$5.59
$7.99
SKU: 14742
$5.59
$7.99
31
Servo Motor Driver Module Robot Shield DC 5V-12V I2C Development Board for Raspberry Pi 3B+/3B Stepper Motor HAT
1.Description:
It is a full-featured robotic shiled that supports multiple servo motor/DC motor/stepper motor simultaneously.It can be multi-layer cascading to expand more control interfaces, especially suitable for players DI...
$24.99
SKU: 14590
$24.99
