In this video I'm walking you through the steps I took to make a standalone version of my pellet level monitoring sensor that is not directly connected to Home Assistant but it functions separately .

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

The P0118 code means that the engine control module (ECM) has detected a voltage signal that’s too high from the engine coolant temperature (ECT) sensor (below). In practical terms, the ECM believes ...

Arduino is being acquired by Qualcomm subject to regulatory approval for an undisclosed sum. Qualcomm Arduino introduces a new UNO form factor board, the Arduino UNO Q, which features both a STM32 MCU ...

A robust, production-ready DHT22/AM2302 sensor driver for the WCH CH32V003 RISC-V microcontroller using TIM1 PWM Input capture mode for precise pulse width measurement. Code examples are available in ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

HomeKit has changed how I interact with many of the rooms in my house. While lighting and cameras tend to have the spotlight for most people as they can easily see the impact, environment monitoring ...

Wearable sensors with their own integrated power generation capability are an attractive alternative to relying on external batteries, and a number of thermoelectric, photovoltaic and other ...

Temperature sensors are an important yet often overlooked part of a HomeKit setup. Even working as a passive tracking device, I want to add them to every room to understand more about what’s happening ...