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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 Voltage Capacity Monitor Volt Panel Tester Meter For Motorcycle Car（green）
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BMP280 Barometric Pressure and Altitude Sensor I2C/SPI Module
BMP280 Barometric Pressure and Altitude Sensor I2C/SPI Module is a cheapest and tiny Atmospheric Sensor Breakout to measure barometric pressure, and temperature readings all without taking up too much space.
- Operating Voltage: 1.71V to 3.6V – would typically be operated from 3.3V.
- Operating Temperature: -40 to +85 deg. Celsius (full accuracy between 0 and +65 deg. C).
- Peak current: 1.12mA.
- Operating Pressure: 300 hPa to 1100 hPa.
- Accuracy between 700 to 900hPa and 25 to 40 deg. C: ±0.12hPa and ±1.0m.
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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)
