Using the Built-in Touch Function of ESP32
⚔️First, let’s see the effect (Serial Print) ⚔️Principle (from AI) ⚔️Hardware Preparation Connect the ESP32’s touch pin, preferably using wires to connect it to a piece of tin foil for easy finger contact. Identify the ESP32’s touch pin. Many IOs have touch functionality; the author uses IO4. ⚔️Driver Code Implementation Configure IO4 as input. ⚔️Driver … Read more