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“Monitoring the environmental data using Seeed Studio XIAO ESP32C3, Arduino, and MQTT. In this article, I will describe the creation of an IoT weather station using Seeed Studio devices, which is able to measure and display temperature and humidity levels …
“The so-called “infinite impedance detector” is a circuit that was commonly used in the old days of vacuum tubes. Since vacuum tubes can be somewhat considered to be heated JFETs, it is evident that such a circuit can also be …
“A late happy new year, everyone! Here’s another LED grid. The ones I built so far always used LED strips with either 60 or 30 LEDs/meter. And so does this one, it’s using 60 LEDs/meter, 90 …
“A multipurpose USB-to-UART module with built-in UPDI programming mode and Auto Flash/reset for ESP devices USB-to-Serial converters are some of the most used modules on my bench. I have quite a few of them, most of …
“Status flags are a key part of most processors, indicating if an arithmetic result is negative, zero, or has a carry, for instance. In this post, I take a close look at the flag circuitry in the Intel 8086 processor …
“The 603-200 is the first watch of a planed line of watches based on the same concept which is inspired by the Japanese TokyoFlash® brand (www.tokyoflash.com). We want to push the concept to a fully modern connected watch …
“This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards. Introduction We’re all familiar with WiFi. It runs our home, let’s us stream our favorite movies …
“Get started with seeed static human presence sensor Well, this project is a by product. I wanted to recreate one of my projects buddy by replacing AK9753 - Human Presence Sensor with low cost 24GHz mmWave Sensor - Human Static Presence. When …
“Curious about autonomous driving, AI and neural networks? Build your own autonomous driving car and get your hands on these topics! This project is all about building a cool self-driving car using some fun and exciting technology! We’ll be …
“An analog IoT LED clock running on an ESP8266, driving a WS2812B LED strip, constantly synched using an NTP server and controlled by your smartphone via a web server. Actually, It is not that complicated and all of the above …