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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico (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 (SID 6581/8580-replacement for C64/C128)
Desktop Neon Effect LED Signs
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The Unparallel Weather Station allows anyone to build their own low-cost weather station, using our custom open-source PCB. The software for the weather station is also open-source and can be used as ...
Unparallel_Weather Station_PCB
1746
0
1
bruno.almeida
bruno.almeida
PORTUGAL
5
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
259
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
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
160
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
PCBs to convert dial lamps to LEDs on vintage radios, Through-hole version
Through-Hole_PCB_dial lamp LED boards_2024-01-20
326
0
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
PCBs to convert dial lamps to LEDs on vintage radios, SMD version.
PCB_dial lamp LED boards_SMD
187
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
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
654
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
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
402
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
A Through-hole Buffer / Booster using a single JFET, that fits inside the guitar to provide active pickups, with interesting tonal effects. Some claim that it gives the guitar a tube-like sound at the...
PCB_Fetzer Valve_2023-09-03
427
0
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
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
1428
2
3
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
Create a art wall using a old playfield. Based on https://github.com/r3cgm/airfield
Airfield Playfield Board
161
0
0
Engineer
Engineer
PORTUGAL
0
0
A simple but useful pcb to make a small variable power supply using the LM317 i.c. with connections for a three-terminal LCB voltmeter module.
Variable LM317 low voltage DC power supply
878
0
2
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
Selenium Rectifier and Filter Capacitor replacement PCB's - small size
Selenium Rectifier and Filter Capacitor replacement PCB's - small size
637
0
6
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
Selenium Rectifier and Filter Capacitor replacement PCB's - standard size
Selenium Rectifier and Filter Capacitor replacement PCB's - standard size
895
0
5
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
For more details, see the GitHub repository of the project.
Plantidote
567
0
0
MikeBailleul
MikeBailleul
PORTUGAL
0
0
A ver simple and cheap Decade Resistor Substitution Box for your workshop. I used 1% resistors, rated at 1W, and the result is excellent.
Decade Resistor Substitution Box
973
0
4
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
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
9247
2
16
Manuel Caldeira
Manuel Caldeira
PORTUGAL
169
3
1
2
3