This project implements a lightweight and resilient MQTT-based communication protocol between ESP32-C3 microcontrollers and a Raspberry Pi 5. The ESP32s dynamically requests ID from the Raspberry Pi, ...

mosquittoを使ってMQTT BrokerをRaspberryPi内で立てて、ESP32でPublish（送信）、RaspberryPiでSubscribe（受信）してみます！💪 Macの時と ...

Many low-cost wireless temperature and humidity sensors use a 433 MHz transmitter to send data back to their base stations. This is a great choice for the manufacturer of said devices because it’s ...

Abstract: Nowadays, Home automation has acquired a significant attention due to its potential to enhance convenience and efficiency in managing household systems. This paper presents a novel method to ...

If you've ever wanted a customizable smart display without the high cost or vendor lock-in, this DIY project might inspire you. Adam Conway, Lead Technical Editor and Developer for XDA, recently ...

I have been meaning to play around with MQTT for some time now, and finally decided to take the plunge one evening last week. I had three cheap home temperature and humidity sensors, and was bothered ...

When running mqtt_as on Raspberry Pi PICO 2 W the onboard LED do not flash as expected. In mqtt_local.py the line LED = 'LED' if 'Pico W' in implementation._machine else 25 might be expanded to also ...

Despite its small form factor, the Raspberry Pi is a highly capable system you can grab for well under $100. Depending on your interests, it can double as anything between an emulation system, stream ...

If you missed out on the first production run for the Obsidian ESP32 by Thomas McKahan offering a small ESP32 board in a Raspberry Pi form factor, you will be pleased to know that the boards are now ...