I found an incandescent filament-style numeric display tube (Numitron) called the "IV-9" that I bought a long time ago, sleeping in the back of my desk. Thinking, "If I don't touch it now, it might ...

This post discusses how I integrated a regular microphone into an Arduino setup for some serious audio experiments. I used a prewired module which holds a MAX9814 single chip microphone amplifier with ...

Run R.A.I.N. on the Arduino Uno Q's Linux side. Telegram works over WiFi; GPIO control uses the Bridge (requires a minimal App Lab app).

The NU40DK is NUCODE's development kit built around the Nordic Semiconductor nRF52840 — a powerful BLE 5.0 SoC with a 64 MHz Cortex-M4 processor. In this tutorial, you'll install the NUCODE BSP (Board ...

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...

This repository packages a reusable Codex skill for a stubborn but common workflow: getting an M5Stack board working from arduino-cli on Windows when the board shows up as Unknown, the serial bridge ...

Set up your ESP32 in Arduino IDE from scratch. This practical guide covers board package installation, board and port selection, your first upload, Serial Monitor testing, and fixes for the most ...

An Arduino with 40 lines of code, a temperature resistor, and servo are all that’s truly needed to save some dough with this thermostat by [Peter Hamilton]. LEDs and a potentiometer are added as well ...

These days, 433-MHz RF transmitter/receiver modules are very popular with electronics hobbyists and tinkerers. These cheap short-range radio modules can be used with almost all microcontrollers for a ...