Content for Perfboard

The Godot Machine

“What is a Godot Machine? It is part of the human experience that we can find ourselves in a state of waiting for something that might eventually happen after a long time of waiting, or not at all. The Godot …

Linear Variable Voltage Regulator 1-20 V

“A linear voltage regulator maintains a constant voltage at output if the input voltage is greater than output while dissipating the difference in the voltage times the current watts of power as heat. You can even make a crude voltage …

VU Meter Using 3915 IC

“Today I am going to make a VU Meter Meter circuit that will show the level of audio in the LED.In this VU Meter I will use 10 LED. Let’s get started,”

AT89S52 - Veroboard & Upcycling Components

“Build your own ancestor of Arduino with upcycled components. 32 I/O programmable. Is this an ISP programmable microcontroller. Easy and instructive build project. (Ok… i buy Veroboard for this one, or you could do it on breadboard)”

MIDI/Arduino Controlled 8-Bit Sound Generator (AY-3-8910)

“Build a retro sounding 8-Bit Sound Generator and control it through MIDI.This design is partly inspired by Chiptune enthusiasts building Arduino circuits to play Chiptune files and some of my own ideas to integrate the sound of early video …

Two-Mode Servo Tester

“When I buy a new servo motor, I want to quickly check if it is working. The Two-Mode Servo Tester lets me do that in a minute. Servos, at least the cheaper ones I know, sometimes do not work as …

Arduino / ATtiny85 Delta AC 3-Phase Checker

“This is a very simple way to control a 3-phase AC installation in a delta configuration. Story For those who have a wind turbine in their garden, one of the worst thing that can happen is to see the propeller …

Attaching a CPU fan to a RPi running Ubuntu Core

“When I purchased my Raspberry Pi4 I kind of expected it to operate under similar conditions as all the former Pi’s I owned … So I created an Ubuntu Core image for it (you can find info about this at …

Handheld Game Console Based on STM32F4 Discovery Board

“A handheld game console on STM32F4 Discovery Board that allow you to play a game called Return to Earth - a fun asteroid shooting game. Some background I was taking a driver development course base on STM32F407 MCUs on Udemy and …

How to Make a Gesture Control Robot at Home

“Control toys like a superhero. A DIY video for how to make gesture-controlled car. This is about how to make a gesture-controlled car by yourself. Basically this is a simple application of MPU-6050 3-axis Gyroscope, Accelerometer. You can do …