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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)
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ZIMBABWE
This is a simple LV ef38 amp I came across and modified for a stereo PCB. May toss a preamp in your car or have a headphone amp. When you see a real picture is when I actually built this. Waiting on t...
low voltage EF36 preamp/headphone amp
196
0
1
Engineer
Engineer
UNITED STATES OF AMERICA
0
0
A simple and easily adaptable little PCB to drive audio to a VU meter, complete with AC/DC rectifier and voltage regulator scheme. All through hole parts and simple values that most people should have...
GDIY VU Meter Driver v1.0a
372
0
1
Zach W
Zach W
UNITED STATES OF AMERICA
0
0
The Arp 2600 synthesizer has a preamp that takes an unbalanced signal and amplifies it 10x, 100x, and 1000x. This project is a workalike for the classic design from the 70's. it uses 2x SOIC 2-circuit...
Low Noise Preamp based on Arp 2600 Synthesizer
729
0
1
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
19
1
Build your own Dual MS20 VCF....this is Euro format, 15HP, +/-12V.This project requires 2 of the PCBS you can find on the PCBWAY community site: "MS 20 clone voltage controlled filter". Each board is ...
Dual Korg MS20 VCF for Eurorack
1112
0
1
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
19
1
The Korg MS20 is a lengendary semi-modular monophonic synthesizer. The PCB here is the MS20's VCF laid out on a small PCB with a 100mil (2.54mm) edge connection. the board mostly uses through hole c...
MS20 Clone Voltage Controlled Filter
1369
0
1
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
19
1
HBSound is an attempt to make Hobbyist home brew sound card, based off a simple architecture that can be controlled from even a simple micro controller.The design goals are:Based off mostly available ...
HBSound - Home Brew Sound Card for the HB6809
473
0
1
David Collins
David Collins
UNITED STATES OF AMERICA
2
14
This is a PCB for Tim Escobedo PWM an your face square wave fuzz blaster. It turns the input signal into a Pulse Width Modulated square wave. The circuit includes a modulator that animates the duty cy...
PWM Super Square Wave Modulator
1389
0
1
Mitchell Hudson
Mitchell Hudson
UNITED STATES OF AMERICA
24
1
This an amazing sounding Big Muff built around CMOS inverters in place of the traditional transistor stages. The project was originally created by RunOffGroove.com. This board uses the 4049 chip. Look...
22/7 a CMOS Big muff 4049
1264
0
1
Mitchell Hudson
Mitchell Hudson
UNITED STATES OF AMERICA
24
1
The Woof Meter is for testing subwoofer speakers to measure their Thiele-Small (TS) parameters. These parameters are necessary in order to properly design the speaker cabinet. Sometimes you might not ...
Woof Meter
1188
0
1
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
13
0
I designed this to listen to music and play the electric piano together.
Stereo Headphone Mixer and Amplifier
1188
2
1
IMSAIGUY
IMSAIGUY
UNITED STATES OF AMERICA
163
0
Many circuits use J201 JFETs, sadly the TO-92 package are out of production, and many of those that can be found online from China sources are so far out of specification that they do not work. Additi...
J201 SMD JFET Adapter
1577
0
1
ENRIQUE MALDONADO
ENRIQUE MALDONADO
UNITED STATES OF AMERICA
5
27
Guitar pedal switch matrix. turn on and off pedals, connect in any order. This is a project in the works. It uses analog MUX chips controlled by a Atmega328P chip. code at: https://github.com/imsaiguy...
Guitar Pedal Switcher
3596
4
2
IMSAIGUY
IMSAIGUY
UNITED STATES OF AMERICA
163
0
What is the OctoPill? The OctoPill is a Arduino Nano Shield that allows you to control anything from 4 to 8 devices using the most common 4 channel and 8 channel Relay modules. No programming nec...
OctoPill Prop Controller Shield
2555
0
2
Eric Scareric
Eric Scareric
UNITED STATES OF AMERICA
4
4
This is a just a simple tone control circuit that can be added to an existing project for better audio control.
Baxendall Tone Stack
2111
0
2
learn electronics
learn electronics
UNITED STATES OF AMERICA
90
0
This is a 1KHz audio oscillator using a Johnson Counter. ARTA software (http://www.artalabs.hr/) reports THD+Noise of 0.3%. The Johnson Counter is very interesting. I believe I first ran into it ...
Sine Wave Generator Using a Johnson Counter
2557
2
2
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
13
0
### DESCRIPTIONThe Audio Builders Workshop (ABW) is a working group of the Boston Chapter of Audio Engineering Society. The ABW promotes interest in electronics construction and design for appli...
ABW Low Pass Filter Kit
2170
0
2
Michael Swanson
Michael Swanson
UNITED STATES OF AMERICA
2
0
1
2
3
4
5
6