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Arduino (any compatible board), HC-SR04 Ultrasonic Sensor, Jumper Wires, Breadboard (optional), #Circuit Diagram: Trig Pin of HC-SR04 → Arduino Pin 9, Echo Pin of HC-SR04 → Arduino Pin 10, VCC of ...
The wiring diagram includes extra level shifters because the HC-SR04's echo pin produces a 5V pulse while the Pico's GPIOs can only receive 3.3V. The code also considers temperature effects on speed ...
Ultrasonic sensor. Arduino pro mini. Buzzer. Haptic motor. Lithium ion battery. Switch. 3d printed enclosure. So, let’s check out the step by step procedure to make Saarthi. Circuit Diagram - Blind ...
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