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The ZedRipper: Part 1

“Meet the ZedRipper – a 16-core, 83 MHz Z80 powerhouse as portable as it is impractical. The ZedRipper is my latest attempt to build a fun ‘project’ machine, with a couple of goals in mind: Finally use one of the giant …

Project  theMIDInator

theMIDInator

“TheMIDInator is a MIDI controller based on an Arduino MEGA 2560. It uses a few potentiometers, rotary encoders, a joystick, switches and a keypad as inputs and sends MIDI commands via serial USB interface to the computer. For this controller …

TSMC on track to start 3nm production in 2022

“TSMC has been fast advancing its manufacturing processes. It is on track to move 5nm node to commercial production in the second half of 2020, and will soon break ground for a 3nm facility where volume production will start in …

USB Charging Port Controller using TPS2514

“Texas Instrument’s USB Dedicated Charging Port Controller TPS2514 is specifically designed to implement the charging schemas mentioned below. An auto-detect feature monitors USB data line voltage and automatically provides the correct electrical signatures on D+ and D– data lines …

Using computers to view the unseen

“A new computational imaging method could change how we view hidden information in scenes. Cameras and computers together can conquer some seriously stunning feats. Giving computers vision has helped us fight wildfires in California, understand complex and treacherous roads — and …

Watchmen’s Sister Night NeoPixel Goggles

“In this project, we’re building NeoPixel goggles inspired by HBO’s television series Watchmen. Control the NeoPixel LED animations with a rotary encoder. Display up to four different modes with control like speed, colors and brightness of the NeoPixels …

Working with ESP32 Audio Sampling

“The ESP32 is a next-generation, WiFi- and Bluetooth-enabled microcontroller. It’s Shanghai-based Espressif’s successor of the very popular—and, for the hobbyist audience, revolutionary—ESP8266 microcontroller. A behemoth among microcontrollers, the ESP32’s specs include everything but the kitchen …

YX8018 Joule Thief Solar LED Driver

“YX8018 is a 4-pin integrated circuit for driving solar powered garden LED lights and is found on many cheap garden lights. You can buy 10x YX8018 ICs on AliExpress for around $1. You will need the following parts to build …

Setting up Raspberry PI Zero W

Hi there, I was challenged by Seeed Studio to make a review of a Raspberry PI Zero W. So here are my thoughts. I’ll show you how to setup the Micro-SD Card to use to Raspberry PI Zero …

1984 WeatherMan Pi

“This portable cassette player is now an ambient IoT weather display with early 80s style, displaying a “current conditions” animation, scrolling temperature and rain probability graph through the tape window. When the weather condition changes the servo-controlled headphones on top …