Control the classic General Instrument SP0256-AL2 speech chip and AY-3-8910 sound generator with a Raspberry Pi and this Python library. The SP0256-AL2 was originally available in the early 1980s in speech add-ons for the VIC-20, Atari 8-bit computers,...
I made many projects regarding Audio amplifiers and preamplifiers but this tutorial is for the visual music experience. I am going to make a music reactive neopixel based LED strip. The LEDs will glow according to the change in beat and the color is...
French article in GNU/Linux Magazine France If you wonder why, just click and read the log. For the what, check Definitions and Draft as well as PEAC vs LFSR for a comparison. The original algo/project name was "Fibonacci checksum" but it later...
The memory device flexibility results in a memory mapping problem of how to decode the memory space when the four positions each can have different chips and different memory space lengths. Having discrete logic and jumpers for the memory spaces would...
DIY-mini-PCB-based-handheld-retro-game-console Hello friends in this post we’ll se how easily we can build a Attiny based mini game console. In this mini game console you can play some retro games, which is obviously not very high tech but yes you get...
You can use the ESP32 simulator on Linux, Windows or even Chromebooks! The project runs on the browser. So, you can always run the projects on mobile as well! There are several users using the ESP32 simulator on their MacOS as well! The connection diagram...
The ELB REV4 Provides a powerful and flexible selection across the full spectrum of applications. For example, specs like the -40 to 85 c temperature range peripherals make it ideal for industrial applications like telecom, automotive, control systems,...
20200731 : cleanup of many dead links... This page serves 2 purposes : share the resources I have created for all those articles (because http://ygdes.com/sources/ and http://ygdes.com/GHDL/ are not the most convenient) maintain a somewhat not-too-inaccurate...
Parts Bought the following parts: 2x NEMA 17 stepper motor - 68 oz in (400 steps/rev)1x Pololu universal aluminum mounting hub for 5mm shaft M3 holes (2 Pack)2x NEMA 17 stepper motor mounting bracket1x Nano 3.0 CNC board (uses A4988 stepper motor drivers)1x...
- Four weel drive with kink steering - Electric mowing height leveling - Two 85 watt mowing motors, each equipped with two very sharp blades, able to snap back on hard obstacles - On the fly interchangeable LiPo-battery with voltage monitoring, about...
Simple enough, put an orange bright LED in a box and print a lid with some art in it right?Wrong. Where is the fun in that? No microcontroller == no fun.Throw in an RGB LED and an Attiny 85, a lightsensor and a pushbutton switch and now we are talking...
This project is inspired by water drop levitating installations such as shown by many museums around the world and the “Slow Dance” kickstarter campaign by Jeff Lieberman. The illusion works using a combination of a strobe light to and...
The SBC-85 CPU board is a 100mm x 100mm 2-layer with a 120 pin edge connector (mechanically PCI). The serial SID and SOD lines, via a max232, offer a RS232 serial port for communication with a resident monitor or whatever you may decide to...
This bus monitor has the obligatory binary LEDs for the address, data, and status lines but it also offers a single stepping and automatic slow stepping capabilities. Finally, it has room for three EPROMS onboard, one that can hold the 8008 resident...
A few months ago I decided to see if my first computer still worked. It's been languishing in various boxes and closets for nearly forty years now. This is what the computer, an Explorer 85 from Netronics Research, looks like: The three...