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portable computers
Can drive 4 DC motors or 2 stepper motors or 2 Servo
inside take watchdog
RS485 output signal
BMP280 Barometric Pressure and Altitude Sensor I2C/SPI Module is a cheapest and tiny Atmospheric Sensor Breakout to measure barometric pressure
Fingerprint Reader Sensor Module 3.7v portable computersModule via a serial communication interface, directly with 3. 3V or 5V power microcontroller communication: Module data transmission feet (2 Foot TD) connected to the data bit machine receiving end (RXD), data receiver module feet (3 feet RD) connected to the data sender bit machine (TXD). For the RS 232 level (for example: PC machine) for PC communication, increase the level conversion between the module and the host computer Circuitry (e. g.: MAX232
US$ 164.00
US$ 158.00
US$ 124.00
