Content for PCB

Desktop-Sized Infinity Dodecahedron

“You may have seen various “infinity dodecahedrons” or other polyhedra across internet, such as here, here, here, or here. They are all mesmerizing in their own way. However, each of them has, for me, one major problem. They are all …

Discrete Chain Link Oscillator

“The following project will describe how to turn 5 discrete components into a building block which when serially connected will form an extendable flashing lighting chain. Just a simple discrete solution without the aid of a microcontroller. Even so each …

DIY Arduino Precise 5 Kg Scale With Built-in Temperature Sensor and Automatic Calibration System

“The scale is a combination of science and engineering, the amount of mechanical pressure on the load cell produces some signals, the signal amplifies with HX711 and then it gets read by Arduino. for better reading, making the noiseless environment …

EPaper Dashboard

“E-Paper Multipurpose Dashboard powered by Li-Po with roughly four months battery life I needed a device that can store the date of a specific event, which I can check later. To be more precise, I needed a device that can …

Frequency Probe

“The Frequency Probe is a handheld tool designed to help you debug your circuits by giving a visual indication of the frequency or voltage at the probe. For a periodic waveform it gives a digital readout of the frequency, with …

High Preformance LoRa Radio Link

“ExpressLRS is an open source RC link for RC applications. It is based on the fantastic semtech SX127x/SX1280 hardware combined with an ESP8285, ESP32 or STM32. ExpressLRS supports a wide range of hardware platforms as well as both 900 …

How to Build Your Own Arduino-Powered Mini Radar

“Have need your own mini-radar system? Then why not consider making one of your very own! In this short tutorial, we’ll take you, step by step,(more or less) through the process. Like any project of this nature, you …

IC Tester Aka IC Doctor

“This is a custom made IC tester pcb which can test logic gate IC of 74XX series.I love to call it “IC Doctor” When you are working on DIY project and don’t have time to test each IC …

Project  Logic Meter

Logic Meter

“Logic Meter is a piece of electronic test equipment meant to make certain functions of a logic analyzer as easy to use as a multimeter. You can see a demo at https://youtu.be/55UjsmX5F90 It looks like a multimeter …

Machine Learning Based Gesture Detection Watch (ESP8266)

“The world is certainly getting better everyday at technology based on gestures because it’s very intuitive, easy to use and clearly makes the interaction with gadgets and things around you futuristic and fancy! So, just to be on the …