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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
DIY Mechanical Macro Keypad ― Ocreeb
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
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The BH Onofre came about 4 years ago because of the need to have a switch that can be installed behind the normal switch and still control two lamps. In the latest version the BH Onofre offers 9 input...
BH OnOfre - Open Source Wi-Fi Dual Switch
10090
9
39
Bruno Horta
Bruno Horta
PORTUGAL
36
7
OpenEVSE Electric Vehicle controller v5.5 SAE J1772 IEC 61851https://github.com/lincomatic/open_evseI'm not the author.
OpenEVSE PLUS v5.5
848
3
1
Luis Miguel Riacho
Luis Miguel Riacho
PORTUGAL
1
0
A simple op-amp tester that allows you to test single, dual and quad op-amps, using a single dual-colour LED to indicate condition. For more instructions, see the videos on my Youtube channel, Electro...
EO&N Op-Amp tester
1457
2
3
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
A tester designed to test leakage in capacitors that also serves to reform electrolytic caps. High voltages are involved.
EO&N CAPACITOR LEAKAGE TESTER
9297
2
16
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
A power supply board for adding a bluetooth module to a tube radio, with signal boost to raise the audio level.
Supply board for tube radio bluetooth module with signal booster.
2872
2
12
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
I recently restored a Grundig Satellit 2100, which turned out really well, and which can be viewed on my YouTube Channel, Electronics Old and New. I mentioned then that I’d think about building an ext...
External BFO V2.1 SMD version
1737
2
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
A DIY Tube Tester needs a lot of different power supplies to allow you to really test tubes correctly. You can set up these supplies independently, but a better solution is to build a single board tha...
Full supply board for DIY Tube Tester
3589
1
7
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
Back in 2019, I went about designing a PCB ruler, inspired by so many others that came before, I wanted it well balanced between common footprints and electronic cheat sheet tables, while still trying...
eLab Hackerspace PCB Ruler
2998
1
6
joaoduarte
joaoduarte
PORTUGAL
3
0
I have on occasion needed a balanced signal to test power amps and so on. This is the second version of the Balanced Line Driver project, but this time I decided to do it right: I got PCBs made and bu...
Balanced Line Driver
2485
1
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
In this project we’ll show you how to build an IoT shield PCB for the ESP32 and a web server dashboard to control it. The shield is equipped with a BME280 sensor (temperature, humidity and pressure), ...
ESP32 IoT Shield PCB
3338
1
7
Rui Santos
Rui Santos
PORTUGAL
9
0
Capacitor Foil-Side detector. A self-contained device that gives you a visual indication of the foil-side of a capacitor. Very useful in restoring vintage audio and gear.
Capacitor Foil-Side detector
326
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
This Inverse RIAA Network lets you use your normal signal generator to test phono inputs of an amplifier. Works for MM and MC levels.
Inverse RIAA Network
176
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
PCBs to convert dial lamps to LEDs on vintage radios, Through-hole version
Through-Hole_PCB_dial lamp LED boards_2024-01-20
338
0
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
PCBs to convert dial lamps to LEDs on vintage radios, SMD version.
PCB_dial lamp LED boards_SMD
193
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
AC and DC voltage multiplier to extend the low voltage range of analogue multimeter and increase input impedance.
AC and DC voltage multiplier to extend the low voltage range of analogue multimeter and increase input impedance
667
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
An SMD version of a JFET Booster/Buffer that fits inside the guitar body, creating active pickups and an interesting tonal effect. Some claim that it gives the signal a tube-like quality at the f...
PCB_Fetzer Valve smd_2023-10-09
413
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
170
3
1
2
3