This is a simple project in which a HC-SR501 PIR sensor is used to detect motion in a room. MQTT is used as the message broke between NodeRed and Rust running on a Raspberry Pi 4. The code detects the ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O ...

This is a Python 3 library that helps interface with Motoron motor controllers using I²C or UART serial. We have mainly tested this library on Raspberry Pi single-board Linux computers and MicroPython ...

IISc physicists discovered that Ramanujan’s classic π-formulas arise naturally in modern theories describing critical phenomena and black holes. The connection suggests his early mathematics may have ...

Ciprofloxacin (as HCl) 0.2%, hydrocortisone 1%; otic susp. To minimize dizziness, warm susp by holding bottle in hand for 1–2 minutes before use. <1yr: not recommended. ≥1yr: 3 drops in affected ear(s ...