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Ultrasonic distance sensor (HC-SR04) and 4-digit display (TM1637) on a Wemos D1 mini

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esp-distance-sensor

Ultrasonic distance sensor (HC-SR04) and 4-digit 7-segment LED display (TM1637) on a Wemos D1 mini.

Install the following Arduino libraries:

Connect jumper wires on mini breadboard (both on 5V):

HC-SR04: TRIG = D2, ECHO = D1
TM1637: CLK = D5, DIO = D6

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Ultrasonic distance sensor (HC-SR04) and 4-digit display (TM1637) on a Wemos D1 mini

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