Makita batteries use a modified 1-Wire protocol at 5V logic levels. The ESP32-C3 operates at 3.3V and cannot reliably communicate with the battery directly. By splitting the system into two MCUs, each ...

Arduino has become one of the key building blocks of the open hardware movement. Arduino, the platform, is designed to be modular, affordable, and easy for virtually anyone to use. The company behind ...

Making airplanes with foam board is really handy since this material is very cheap, easy to work with, and durable. It's the same material the channel Flite Test uses in their builds. I recently tried ...

Based on Raspberry Pi Zero 2 W, the Bee Write Back writerdeck is another DIY project that should be relatively easy to ...

There are plenty of drones (and other gadgets) you can buy online that use proprietary control protocols. Of course, reverse-engineering one of these protocols is a hacker community classic. Today, ...

Five new Elektor courses help beginners take their first steps in microcontroller programming with Arduino, ESP32, and Raspberry Pi Pico. Each course combines hands-on projects, hardware kits, and ...

Tired of building the same old Arduino projects like blinking LEDs, temperature monitors, and line-following robots? Now it’s time for something fun. It’s time to turn your skills into entertainment ...

#define LORA_P_LENGTH 255 // default LoRa payload length #define LORA_FREQ_MIN 433.050 // set according to frequency bands in CZ (410.00 MHz synthesizer frequency range) #define LORA_FREQ_MAX 434.790 ...