Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, ...

Finally, I need an analog soil moisture sensor so that I can monitor the soil moisture, and based on that, I can switch on/off the water pump remotely through the Blynk app. The below block diagram ...

Enables autonomous driving of a 2 or 4 wheel car with an Arduino and a Adafruit Motor Shield V2. To avoid obstacles a HC-SR04 Ultrasonic sensor mounted on a SG90 Servo continuously scans the area.

It combines a PMSM, encoder, and servo, operating from 100 RPM (rated torque) to 400 RPM (no-load ... motor driver HAT ESP32 or USB switch Other Raspberry Pi HAT for motor control include the Adeept ...