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0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V Voltage Capacity Monitor Volt Panel Tester Meter For Motorcycle Car(blue)
0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V BLUE, Current and Frequency Meter, Digital Voltage, Electronic Modules and Displays, Measuring Instruments
0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V Voltage Capacity Monitor Volt Panel Tester Meter For Motorcycle Car(green)
0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V Green, Current and Frequency Meter, Digital Voltage, Electronic Modules and Displays, Measuring Instruments
0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V Voltage Capacity Monitor Volt Panel Tester Meter For Motorcycle Car(red)
0.56 Mini LED Digital Voltmeter Detector DC 4.5-30V 12V 24V RED, Current and Frequency Meter, Electronic Modules and Displays, Measuring Instruments
0.9V-5V DC TO 5V DC STEP UP CONVERTER DC-DC POWER BOOST MODULE BOARD WITH USB OUTPUT
POWER SUPPLY, POWER SUPPLY MODULES, DC-DC Boost Module 0.9V-5V to 5V 600MA USB Step-Up Board 5V Output, Step-Up Boost Converter Module
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TCRT 5000 Dual Channel Line Tracking Sensor
This is TCRT 5000 Dual Channel Line Tracking sensor module.
- Operating Voltage: 3.5V-5V
- Supply Current: 15mA
- Optimal Sensing Distance: 3mm
- Designed with the reflected infrared sensor, and indicator light.
- Built-in a potentiometer for sensitivity control.
- On-board LM393 voltage comparator chip and infrared sensing probe TCRT5000L
- Signal detection sensitivity can adjust
- Reserve all the way more circuits (P3 voltage drawn)
ESP 8285 M3 WiFi Module
CP2102
SIM800L GPRS GSM MODULE MICRO SIM CORE BOARD QUAD-BAND PORT TTL FOR ARDUINO
This is Small SIM800L GPRS GSM Module Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna, in this module two antennas have been included.
- TTL serial port for serial port, you can link directly to the micro-controller.
- Don’t need MAX232.
- Power module automatically boots, homing network.
- Onboard signal lights all the way.
- It flashes slowly when there is a signal, it flashes quickly when there is no signal.