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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
kv4p HT v1.7b
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Desktop Neon Effect LED Signs
Tad Boy Color
DIY Mechanical Macro Keypad ― Ocreeb
SIDKick pico 0.2 DAC (SID 6581/8580-replacement for C64/C128)
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Frog Boy Color
Low Cost Drone using ESP32
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
kv4p HT v1.7b
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
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ZIMBABWE
Decade Resistor Box built with cost-effective 11-position rotary switches, making it an affordable yet versatile tool for your electronics projects. This design includes 3D print files for the enclosu...
Decade Resistor Box using inexpensive 11-position rotary switches, and 3D printed enclosure.
114
0
0
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
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
10666
9
40
Bruno Horta
Bruno Horta
PORTUGAL
36
7
In this project, you’ll learn how to build a Weather Station Interface PCB Shield for the ESP32 development board. The PCB features a BME280 temperature, humidity and pressure sensor, a light dependen...
ESP32 Weather Station Interface PCB Shield (Temperature, Humidity, Pressure, Date and Time)
3907
0
8
Rui Santos
Rui Santos
PORTUGAL
9
0
Allows for switched switchable attenuation steps and impedance matching of the signal generator signal.
75 to 300 Ohm L-Pad with switched attenuator.
2687
3
5
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
This PCB is the perfect solution to replace the selenium rectifier in vintage tube radios with modern silicon diodes, while maintaining the proper voltage drop. Since silicon diodes have a lower volta...
Bridge Rectifier with Mosfet Voltage Dropper 2024-09-02
840
1
4
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
Purpose:The ER26500 battery tester is used to test batteries from the sensors I develop. It addresses the uncertainty surrounding the condition of the batteries. Sometimes I have batteries from the cu...
ER26500 battery tester
718
0
0
Hélio Pereira
Hélio Pereira
PORTUGAL
0
6
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
1962
0
1
bruno.almeida
bruno.almeida
PORTUGAL
5
0
Switched attenuator and impedance matching pad for FM test signals.
Gerber_Taper Pad Attenuator
1936
0
3
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
Arduino is a very nice prototyping platform but, Although not very expensive, costs at least € 20 (25 USD).The CSEduino is the answer to a very low cost DIY Arduino like board.This...
CSEduino v4
2170
0
7
João Alves
João Alves
PORTUGAL
2
1
In this project, we’ll create a status indicator PCB shield for the ESP32 featuring two rows of addressable RGB neopixel LEDs, a BME280 sensor, and a pushbutton. We’ll program the board to display a w...
ESP32 Neopixel Status Indicator and Sensor PCB Shield with Wi-Fi Manager
1362
0
1
Rui Santos
Rui Santos
PORTUGAL
9
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
2771
1
1
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
Boards to replace filter caps and selenium rectifier in a tube radio.
Gerber_filter_caps_rectifier
1615
0
7
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
### DESCRIPTIONWasps killer board### TECHNICAL DETAILS / COMPONENTShigh voltage board to kills wasps1000v low current with circuit protection### LEARN / TOPIC / BUILD INSTRUCTIONShttps://sites.google....
MataAvispasV01
2469
0
2
Sergio Estevao
Sergio Estevao
PORTUGAL
3
0
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.
3308
2
14
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
The video on my channel describes the schematic and the build itself. Find my Youtube channel "Electronics Old and New", and search for PC Soundcard Oscilloscope Buffer/Attenuator.
PC Soundcard Oscilloscope Buffer/Attenuator
3309
0
3
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
Respecting foil capacitor 'polarity' in the restoration of vintage electronics gear is a much-debated topic these days. Some say it's crucial, while others say that it makes no difference as modern ca...
Capacitor Foil-Side detector
1014
3
8
Manuel Caldeira
Manuel Caldeira
PORTUGAL
216
3
1
2
3
4
