Bring your postwar Lionel trains into the modern era with DIY Bluetooth control using Arduino. A fun and powerful upgrade for your layout. #Arduino #LionelTrains #DIY ...

Waveshare UGV Beast is an off-road robot with tracked wheels designed for Raspberry Pi 4 or 5 SBC handling AI vision and ...

Find out how connection‑event timing, controller behavior, and interference combine to limit GATT write throughput in ...

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

Wireless speakers are everywhere these days. The wealth of offerings can seem daunting: big, small, portable, expensive, cheap, Bluetooth, Wi-Fi. With music almost always available at our beck and ...

Bluetooth has simplified our lives and kept our desks free of tangled cords. Still, it can be pretty inconvenient when your Bluetooth gadgets randomly disconnect from your Windows PC, whether wireless ...

Previously restricted to the four walls of a facialist’s clinic, LED face masks have now fully broken into the mainstream, with an increasing array of skin-tech brands offering at-home light therapy ...

Bluetooth is baked into just about everything these days, from wireless earbuds and fitness trackers to laptops, cars, and smart home devices. In 2025 alone, there were an estimated 5.3 billion ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

An Arduino library for 7-segment display modules based on the TM1637 chip, such as Seeed Studio's Grove 4 digit display. The TM1637 chip also has keyboard input capability, but it's not implemented in ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...