Content for 74HC14

74HC14

74HC14 is a member of 74XXXX integrated circuit series, it consists of logic gates. This module is also called HEX inverting Schmitt trigger. It is a high-speed CMOS Schmitt Inverter which consists of C2MOS technology. It provided high-speed operation like LSTTL, by using low power.

16-bit Serial Homebrew CPU - 2023

“Building a homebrew CPU from scratch takes a large number of logic chips. It is understandable, that implementing registers, program counter, ALU, and other components of the CPU in TTL or CMOS logic does require a substantial amount of chips …

Improved AD9833 Function Generator

“Build a function generator with an ATtiny3216 micro, a AD9833 Programmable Waveform Generator and digitally controlled amplitude. Recently I built a function generator based around a AD9833 module. In that project I used the blue variant. This is the basic …

Connect Four Game

“Challenge yourself by trying to beat the computer in this rendition of the 1970’s classic game of Connect 4 by Milton Bradley / Hasbro. It was a simple game played by two players. Each player takes turns to put their …

AD9833 Function Generator

“Build a function generator with an Arduino Nano and a AD9833 Programmable Waveform Generator module. The purpose of the project was to test the Analog Devices AD9833 Programmable Waveform Generator chip. On eBay, Ali-Express and other similar sites you can …

WS2812B RGB lights on a 6502!

“The problem with WS2812B’s on a slow CPU When even the co-author of the FastLED library, Mark Kriegsmann, says it’s can’t be done, you know it’s not going to be easy. “The CPU would need to …

Twist-to-Set Kitchen Timer

“A hand-held twist-to-set countdown timer for your kitchen. Recently I built an Attiny85 Twist-to-Set Kitchen Timer by bobson.h. After finishing the build, I found that the optical rotary encoder had a number of problems which I won’t go …

Pineapple ONE

“32 bit RISC-V homemade In this article I will describe how I designed and made a functional 32 bit RISC-V CPU at home. Specifications: “Max” clock speed: 500 kHz Program memory: 512 kB RAM size: 512 kB VGA …

Serial Monitor With ILI9341 and BluePill

“Serial (ascii) monitor with 9 lines of 28 char. Baudrate from 2400 up to 256000 baud. Digital 3.3V or 5V input. Powered by a single Lithium-Ion battery. (3.7V nominal) Supplies: ILI9341 display (here a parallel version is used …

BEAM Solar Powered Pummer (Heart Shaped PCB)

“This is a project that I have been meaning to finish for over a year now. it is a heart shaped, BEAM based pummer circuit I made to charge up during the day and flash like a heart beating at …

Vectron Handheld

“Vectron Handheld is a retro handheld gaming console based on the 6502 CPU. It has five input buttons (up, down, left, right, fire) and a 1.8” 128x160 18-bit color TFT LCD display. I have developed an implementation of Pong …