Unlike SBCs, microcontrollers ... a capacitive moisture sensor. Again, you’ll need to interface the sensor with your ESP32 ...

His Mario themed Christmas Ornament uses a Silicon Labs FM972 micro controller, capacitive sensing, PWM controlled 8 bit audio, and blinky lights. The interesting part is some of the construction ...

Using the Arduino microcontroller, we will explore some of the essential and useful electronic sensors (light, sound, motion, sonar, infrared, angle bending), powerful actuators (relays, motors, ...