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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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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
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https://www.diyaudio.com/forums/pass-labs/317803-whammy-pass-diy-headphone-amp-guide.htmlPSU Transformer 15VA or 25VA 15+15 to 22+22 25VA 22V+22V is best and used in this guide. Currently the transfor...
"WHAMMY" Pass DIY headphone amp
3251
0
4
John John Vu
John John Vu
UKRAINE
178
87
After purchasing orthodynamic headphones with a resistance of 40 ohms, it turned out to be a problem that not every audio output can normally swing these headphones. Amplifier 47 Headphone amplifier w...
47 Headphone amplifier SMD version.
1844
3
1
a.shiba
a.shiba
UKRAINE
2
0
Apex AX17 amplifierhttps://www.diyaudio.com/forums/solid-state/164093-100w-ultimate-fidelity-amplifier-101.html
Apex AX17 amplifier
2672
0
5
John John Vu
John John Vu
UKRAINE
178
87
Power amplifier ZD-50 (LM3886)Very high characteristics of this amplifier are achieved at the expense of a deep OS, mainly in the sound area of ??frequencies. The amplifier is based on the well -known...
Усилитель мощности ZD-50 (LM3886)
2433
0
1
John John Vu
John John Vu
UKRAINE
178
87
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
400
0
2
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
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
465
2
1
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
IRS2092 amplifierУсилитель мощности звуковой частоты класса D построенный на базе микросхемы IRS2092. Выходная мощность около 250-300 ватт на нагрузка 4 Ома, рекомендованная рабочая частота 350-400 кГ...
IRS2092 amplifier V2.0
1603
1
7
Дмитрий Новоселецкий
Дмитрий Новоселецкий
UKRAINE
35
0
The system is based on the ATtiny26 microcontroller. The current measurement is performed indirectly across 1R resistors connected to the cathode circuit of the radio tube, as shown in Figure 2. In or...
Automation for a tube amplifier
1302
0
4
John John Vu
John John Vu
UKRAINE
178
87
System descriptions (full version): The system consists of: - Input divider - Input stage - full‐wave rectifier - output amplifier with loga...
Analogue indicator control system (VU-meter)
1101
0
2
John John Vu
John John Vu
UKRAINE
178
87
Цирклотрон с полевыми транзисторами на выходе.
Circlotron
1844
0
2
John John Vu
John John Vu
UKRAINE
178
87
The project is about to create a small portable DIY walkie-talkie, based on the idea and schematics from the https://vrtp.ru/index.php?act=categories&CODE=article&article=3351 article. It base...
Compact 433 MHz walkie-talkie based on MRF49XA transceiver
1733
2
1
Andrey Karpov
Andrey Karpov
UKRAINE
2
2
### DESCRIPTION### TECHNICAL DETAILS / COMPONENTS### LEARN / TOPIC / BUILD INSTRUCTIONS
LANZAR 3.1
2073
0
5
Engineer
Engineer
UKRAINE
1
1
The printed circuit board is made according to the diagram shown. With the exception of power supply (already rectified and stabilized voltage is supplied to the board). If you plan to use one common ...
Protection system for powerful power amplifier
150
0
0
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
The system is based on the ATTINY26 [U2] microcontroller. The current measurement is carried out indirectly on resistance with a resistance of 1R, connected to the cathode circuit of the tubes, as sho...
Measurement of the current of the anode of the output tubes.
253
0
0
John John Vu
John John Vu
UKRAINE
178
87
http://puredsd.ru/ Pavel Pogodin PCM to DSD audio converter.
DSDit Amanero
1508
1
1
Roman Zaglinskiy
Roman Zaglinskiy
UKRAINE
12
0
power module for audio amplifier
power module for audio amplifier
1086
0
1
Roman Zaglinskiy
Roman Zaglinskiy
UKRAINE
12
0
1
2
3
4
5
6
7
8
9
10
11
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