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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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This audio sharing board will take a stereo line input from a 3.5mm jack, buffer it and send it out to three 3.5mm jacks.There are trim pots for each left/right input as well as each left/right output...
Line Level Stereo Input to 3 Stereo Output Sharing PCB
1111
0
1
Gadget Reboot
Gadget Reboot
CANADA
73
19
Stereo Audio Switcher 4-In 1-OutHello,This project is Not tested yet.COMPONENTS:4 pcs. 8.5mm x 8.5mm 6pin push button On-Off Locking Switch5 pcs. 3.5mm-Female-Stereo-Audio-Socket-Headphone-Jack-Connec...
Stereo Audio Switcher 4-In 1-Out
1458
1
5
(DIY) C64iSTANBUL
(DIY) C64iSTANBUL
TURKEY
613
632
This active splitter for RGB-21 (JAP SCART) allows the connections between one video source and two outputs.VFS6VD81E221U31A RF/EMI filterhttps://akizukidenshi.com/catalog/g/gP-04021/２ＳＣ１８１５ NPN trans...
RGB-21 JAP SCART Active splitter RGB Audio Composite
1424
4
3
Edoardo kinmami
Edoardo kinmami
JAPAN
237
15
All of this started when I found a really cool case on AliExpress, the *GOF-P01 133.4x55x109mm* and it all snowballed from that point. The one thing I actually needed was an audio input switcher so th...
Passive Audio Switcher
2522
0
1
Tor-Eirik Bakke Lunde
Tor-Eirik Bakke Lunde
NORWAY
253
0
Project descriptionRuby-HAT is an expansion board for Radxa RockPi-S. It's been designed to fit in a compact volume together with the RockPi-S.SpecsRuby-HAT is powered by the following peripheral...
RockPi-S Ruby-HAT
2456
0
0
Dario Murgia
Dario Murgia
ITALY
42
20
### DESCRIPTIONMulti configurable loudspeaker crossover will work for 70/100v and Low impedance Crossovers.### TECHNICAL DETAILS / COMPONENTS1PCB LSCOLSCO1.2912Transformer 100vT103Krone4 W...
Loudspeaker Audio Crossover
1663
0
1
Benjamin Harris
Benjamin Harris
AUSTRALIA
2
2
These are gerbers for a replica of the AML-27 microphone preamp. We have several of these and love them.I've been slowly transplanting the components from mine into a 500 series board that I made (sti...
AML27 Preamp Reproduction
85
0
1
Zach W
Zach W
UNITED STATES OF AMERICA
3
0
Semiconductor Manufacturing and Quality ControlManufacturing semiconductors is complex and requires strict quality control. If corners are cut or quality isn’t enforced, the result is defective semico...
The perfect amplifier?
147
1
0
ModularDesignSystems Harrison
ModularDesignSystems Harrison
KENYA
33
0
I need a few small (but not too small!) Eurorack 4 x 1 DC coupled mixers for my rack.Many simple commercially available Eurorack synth mixers are extremely small, making it hard to turn the gain up or...
4 input Mono Eurorack Audio Mixer
165
0
0
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
29
1
AS OF JULY 2024, THIS PCB IS NOT YET "VERIFIED." Although it should work just fine and various checks have been taken to ensure it's functionality, still USE AT YOUR OWN RISK.Chiming in here with a qu...
325 / EQP1A3 Gain Makeup v2.0
232
0
2
Zach W
Zach W
UNITED STATES OF AMERICA
3
0
The spectrum analyzer displays the amplitude of signals as a function of frequency, allowing engineers and technicians to visualize and analyze signal characteristics. In particular, the audio a...
Arduino FFT Audio Spectrum analyzer on 8x32 color matrix WS2812B
566
0
3
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
73
0
Why is it needed - inverting switching? There are two reasons: firstly, to get rid of the electrolytic capacitor in the OOS circuit, which has a bad effect on the sound; secondly, to weaken the influe...
Hi-Fi inverting amplifier on TDA7293 / 7294 with T-shaped feedback
687
0
3
Epishko Dmitry
Epishko Dmitry
UKRAINE
16
0
A vacuum tube preamplifier is typically used to amplify the signal from a microphone, musical instrument, or other audio source before it is sent to a power amplifier or recording device. Compar...
ECH83 Guitar Preamplifier with Tone Control on 12V DC
807
0
3
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
73
0
High-quality two-channel headphone amplifier with power supply.The amplifier is powered from a transformer with an alternating voltage of ~12 volts.Amplifier specifications:Recommended load - minimum ...
JLH Class A Headphone Amplifier
932
2
2
Epishko Dmitry
Epishko Dmitry
UKRAINE
16
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
550
0
1
Zach W
Zach W
UNITED STATES OF AMERICA
3
0
The TDA2030 2.1 amplifier is a circuit that uses two TDA2030 integrated circuits for the stereo channels (left and right) and one TDA2030 in bridge mode for the subwoofer channel (bass).The TDA2030 is...
TDA2030 2.1 lm1875 2.1 or TDA2050 2.1
2215
0
3
Toni Eletrônica
Toni Eletrônica
BRAZIL
43
0
1
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