As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

The Waveshare ESP32-S3-Knob-Touch-LCD-1.8 is a batterry-powered knob display board designed for HMI applications that combines ESP32-S3 and ESP32 SoCs in a dual MCU architecture. The design differs ...

The problem Board: ESP32-S3 N16R8 Development Board Hardware: INMP441 Mic, MAX98357A Speaker on safe pins (I2S on 15, 16, 17, 18). Problem: Any ESPHome firmware that ...

The ESPHome 2025.6.0 open-source firmware was released on June 18, 2025, with ESP32-P4 support and an initial OpenThread ...

This component includes the blink example. It can be used as a starting point when developing an application on Nano ESP32 board. Aside from the obligatory blinking of LEDs, the example also contains ...

Propeller Direction Install A and B propellers according to the figure below. During the power-on self-test, check if the propellers spin properly and are spinning in the correct direction. Firmware ...

When recording audio, you realize that a tone control isn't everything. You can try to lower unwanted sounds with a tone control, but it's a whole frequency range that disappears. While in the 70s and ...

In the Darlington configuration, the base current for the 2N3055 is delivered by the BD115, and it flows through the main collector load. Hence, the audio source needs to deliver 70 times less current ...

The ESP-ROLL is a small, home-built spherical robot that rolls inside a transparent ornament ball - great for entertaining pets, exploring under furniture, or showing off to friends. It glides across ...

Arduino Projects with Code - Circuit Diagrams & Tutorials Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable ...