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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
QuinLED-Dig-Uno
Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
SummerCart64 - a fully open source N64 flashcart
iSpndel_4.0
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Frog Boy Color
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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Getting tired of having NES Cartridges not being read?Always blowing into the cartridge, hoping it will work (Do not do this!!)This DIY Mod allows the cartridge to stay flat and slide right onto a con...
NES Slotmaster - PCBs
2353
3
7
Merlin Shaw
Merlin Shaw
UNITED STATES OF AMERICA
4
0
This composite video mixer board combines the video signals of a TRS-80 Model II, III, 4 or 4P computer into a monochrome composite video signal. A very handy tool to have if you often work on th...
Tandy TRS-80 Video Mixer Composite Out
700
3
3
Engineer
Engineer
UNITED STATES OF AMERICA
1
0
Checkout https://github.com/doudar/SmartSpin2k for how to assemble and required hardware.This new revision features a number of improvements, including:A new SMT PCB for easier and more reliable build...
SmartSpin2k-V3
410
0
1
Travisjw25
Travisjw25
UNITED STATES OF AMERICA
1
0
This circuit is a short running time online UPS that used high voltage capacitors to stores energy, instead of battery !It can be used in different cases :1-Connecting two (or more) gasoline generator...
Online UPS with Capacitors
2225
0
2
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
164
6
This PCB adds a battery charging circuit to a CYD ESP32 board!This board was made with the intention to avoid soldering. I’ve also added a pass through for a GPS module should you choose to add it.Bat...
ESP32 CYD Battery Charger
198
0
0
Hedge YT
Hedge YT
UNITED STATES OF AMERICA
0
0
The TI 99/4A FinalGROM Cartridge, or FinalGROM 99 for short, is a cartridge for the TI 99/4A home computer that allows you to run ROM and GROM cartridge images from an SD card.The FinalGROM 99 support...
TI-99/4a FinalGROM99
1798
3
8
mike danick
mike danick
UNITED STATES OF AMERICA
40
0
Wifi Gameboy Cartridge PCB for: https://there.oughta.be/a/wifi-game-boy-cartridgeTaken from the above website: "Before you waste your time with this project, I should probably make clear what this car...
Wifi Gameboy Cartridge
1669
0
8
Isaac isaac.flaum
Isaac isaac.flaum
UNITED STATES OF AMERICA
2
11
This project is an electronic digital tape measure (rolling ruler) without using microcontroller.It using for length measurement.Circuit, Parts list and 3D Printer Files: https://mousa-simple-pro...
Digital Electronic Tape Measure / Digital Rolling Ruler
2490
0
5
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
164
6
This circuit is an Automatic Transfer Switch ATS / Changeover with 3 Input Sources (3 ways).It has 3 seconds time delay and can handle up to 20 Amps of current.Circuit and parts list: https://mousa-si...
Automatic Transfer Switch ATS / Changeover with 3 Input Sources
617
0
2
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
164
6
Made to add as many features into the Heltec V3 as possible without the mess of wiring for Meshtastic. Features:Pinout for Heltec Lora ESP32 V3GPS Slot for GT-u6 with NPN transistor built-in to a...
Heltec ESP32 V3 Ultimate Shield for Meshtastic
1004
0
6
Haruki Toreda
Haruki Toreda
UNITED STATES OF AMERICA
0
0
This board allows you to connect a WeMos D1 Mini and up to 3 shields to broken out pin headers and screw terminals for easy prototyping. To Fully populate this board, you will need:1 @ 40 Male header ...
Wemos D1 Maxi - Prototyping shield for the WeMos D1 Mini
901
0
0
Dan Hoover
Dan Hoover
UNITED STATES OF AMERICA
40
0
This printed circuit board (PCB) is designed to allow DIY electronics to be more easily connected to an Arduino microcontroller. Additional linked pads, increased space between pads, and labels allow ...
Arduino Splice "Charcuterie" Board (Nano and Uno)
411
0
0
Midcrustal Matt
Midcrustal Matt
UNITED STATES OF AMERICA
0
2
ZX Spectrum Keyboard V2I made this keyboard for using with Superfo Harlequin 128, ZX Nuvo 128, ZX Max 128. They are ZX Spectrum clone.It also can be used with original ZX Spectrum or other clone.
ZX Spectrum Keyboard V2
998
2
4
Don Superfo
Don Superfo
UNITED STATES OF AMERICA
85
1
This project was designed to monitor current in up to four AC circuits. It is configurable through the touch screen. Each of the four Current Transformer (CT) inputs is configurable for current transf...
PowerMonitor_V7_2
169
0
0
Gerald Maurer
Gerald Maurer
UNITED STATES OF AMERICA
3
31
The circuitry incorporated into the PCB defined in this project controls a remote rotator system we designed for use with a MastWerks mast and BuddiHex antenna (see buddipole.com). The project is desc...
MastWerks-BuddiHex Remote Mast Rotator Control Board v1.1
343
0
0
Leon Bruner
Leon Bruner
UNITED STATES OF AMERICA
0
0
This is a modification to convert an LED LCD TV to Full Array Local Dimming Backlight.Circuit and Parts list: https://mousa-simple-projects.blogspot.com/2024/06/diy-full-array-local-dimming-backlight....
Full Array Local Dimming TV Backlight
686
0
2
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
164
6
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