Content for PCB

Dual Mono AK4493 DAC - MK II

“Time flies when you’re having fun. Or are just too busy with things, in general. It’s been two and a half years since I posted about my Dual Mono AK4490 DAC. That DAC has been built and is …

ESP-O-One : Making Your Own ESP Development Board!

“Hey everyone! welcome to my instructable where I will show you how I made this ESP8266 01 development board which I like to call ESP-O-ONE.Since I started working with electronics and specially with the ESP boards have …

Just Another ATtiny85 Retro Gaming Console

“A small retro Console-like setup based around ATtiny85 x 0.96 OLED for playing space invaders, Tetris, etc. Supplies: Oled 0.96inch x 1 Attiny85 x1 Programmer setup for Programming Attiny85 x 1 Switch x 3 10K Resistor SMD 0805 …

Neopixel LED Face Mask

“Hi everyone, in this Instructable I’m going to show you how to make an animated face mask using WS2812b LEDs (Aka Neopixels). That description doesn’t really do it justice, so go check out the video above! Please note …

The Ultimate Wireless Keyboard Mark 2

“This remote is actually just a wireless keyboard. You can, of course, buy these but this one is simpler. It doesn’t have over 80 buttons, just 7 and they all serve a purpose. Here are some other features that …

How to Make IoT Based Home Automation With NodeMCU Sensors Control Relay

“In this IoT based project, I have made Home Automation with Blynk and NodeMCU control relay module with real-time feedback. In the Manual Mode, this relay module can be controlled from Mobile or smartphone and, Manual switch. In Auto Mode …

Project  68k nano

68k nano

“A minimal single-board computer based on the venerable “Texas Cockroach” Motorola 68000 16/32-bit microprocessor. Features 68HC000 processor running at 12MHz 1MB RAM 64KB ROM 16550 UART providing a 5V FTDI serial port 44-pin IDE connector for CompactFlash card adapter …

A New, Fully Modular CNC Controller

“The blog post details a new CNC controller I designed. I have probably designed 40-50 different controllers over the years, but this one has me really excited. My past controllers were generally application specific. My recent controllers have all been …

Arduino Nano HV UPDI Programmer

“The Nano HV UPDI programmer will allow using the additional configuration settings for the UPDI pin without the fear of getting locked out from the MCU. There are 3 programming modes: UPDI, HV or PCHV (described below). The target voltage …

Crazy L.O.L Spectrum Analyzer

“Today I’d like to share how to make an audio spectrum analyzer - 36 bands by combining 4 LoL Shields together. This crazy project uses a FFT library to analyze a stereo audio signal, convert it to frequency bands, and …