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The KIM Uno - a 5 Microprocessor Dev Kit Emulator

“The KIM Uno is a portable, software defined dev kit for (retro) microprocessors. But let me introduce the idea of it by going back in time: Back in late 2018 it came to my mind, that I wanted to build …

TTGO ESP32 LoRa Board With DHT22 Temperature and Humidity

“My goal is to collect data over a larger distance than achievable with protocols like Wifi. I need a large amount of nodes and I also want to power the senders with batteries for the simple reason I do not …

Upgrade Your CNC

“CNC machines are more accessible than ever, with the large range of cheap CNC machine kits from China. The most common type are the 1610, 2416 or 3018 types, referring to the dimension of their machine bed. While they are …

VGA Video out on BluePill

“One major limitation during the development of an embedded system, especially for programmers who are used to PCs, is the lack of video output. That’s exactly what Vidout provides, using only 24% of the CPU on a STM32F103. It …

Viewing ARM CPU activity in real time

“n this blog I take the process one step further, and add a graphical front-end, that shows the CPU activity in real time; if you want to see it in action, take a look at this video. Hardware The target …

Wireless Remote Control with micro:bit

“In this tutorial, we will utilize MakeCode’s radio blocks to have one micro:bit transmit a signal to a receiving micro:bit on the same channel. Eventually, we will control a micro:bot wirelessly using parts from the micro …

Yet Another Smart Dice (YASD)

“What is YASD? Another new electronic dice with smart features? Yes and no. Yes - YASD uses LEDs to display randomly generated numbers in a dice style. No - YASD is not in itself a finished product. It should rather show which …

5$ Pcb Calendar With Binary Clock

“Hi! I made this PCB calendar and binary clock with Eagle CAD. I used ATMEGA328P MCU (from Arduino) and 9x9 LED matrix. Dimensions for my board is 8cmx10cm(3.14inch x 3.34inch). Its a bit too small but …

An ESP-Now Home Weather Station

“I wanted to have a home weather station for quite some time and one that everyone in the family could easily check on for temperature and humidity. In addition to monitor the outside conditions I wanted to monitor specific rooms …

Arduino CNC Plotter (DRAWING MACHINE)

“Hey guys! I Hope you already enjoyed my previous instructable “How to make your own Arduino training platform” and you are ready for a new one, as usual I made this tutorial to guide you step by step while making …