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RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino
1.Description:
It is a 3 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,3 input and output.
2.Feature:
1>.Modbus serial communication
 ...
$10.49
$14.99
SKU: GY18121
$10.49
$14.99
30
RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino
1.Description:
It is a 4 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,4 input and output.
2.Feature:
1>.Modbus serial communication
 ...
$11.05
$15.79
SKU: GY18120
$11.05
$15.79
30
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
30
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
30
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
30
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
31
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
30
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
31
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
31
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
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
30
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
30
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
30
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
31
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
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
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
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
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
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