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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
SummerCart64 - a fully open source N64 flashcart
Frog Boy Color
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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This X-Mas in Ukraine was ... not perfect. But we still wanted to have holiday so we had IKEA battery powered fairy lights. Those were both festive decoration and backup light for hours when there wer...
12V LED/Fairy lights PSU with backup power source
732
0
0
Vladyslav Aksonov
Vladyslav Aksonov
UKRAINE
0
7
PureBone - SPDIF/AES for BeagleBone. BeagleBone DAC HAT. details: puredsd.ru
PureBone DAC HAT
1830
0
0
Roman Zaglinskiy
Roman Zaglinskiy
UKRAINE
13
0
FM radio receiver with clock with color display ST7735S.A radio receiver controlled by a microcontroller is based on module with tuner RDA5807M. It is also possible to use a separate tuner chipRDA5807...
RDA5807M FM radio with auto-tuning.
4163
0
4
John John Vu
John John Vu
UKRAINE
206
94
Another version of the printed circuit board of the volume control control unit. All functions are identical to the regulator: https://www.pcbway.com/project/shareproject/Controller_for_volume_control...
Volume control unit (Блок керування регулятором гучностi)
1704
0
3
John John Vu
John John Vu
UKRAINE
206
94
Stone Grey Distortion is a responsive and modern high-gain distortion designed for guitarists who really need a lot of gain.Many guitarists are looking for the same evil distortion in which you can tw...
Mad Professor - Stone Grey Distortion
3142
2
4
Glory to Ukraine
Glory to Ukraine
UKRAINE
265
31
The system is based on the ATtiny26 [U2] microcontroller. The current measurement is performed indirectly across 1R resistors connected to the cathode circuit of the radio tube, as shown in Figure 2. ...
Automation for a tube amplifier
1619
0
6
John John Vu
John John Vu
UKRAINE
206
94
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
3619
0
4
John John Vu
John John Vu
UKRAINE
206
94
Minimalist ESP-8266 temperature/humidity sensor/programmer.This is a Kicad design which uses a PCB USB connector and integrates an ESP-12 (or 07), CH330N USB controller, a small voltage regulator (HT7...
Minimalist ESP-8266 temperature, humidity sensor, programmer.
1869
0
1
YAROSLAV
YAROSLAV
UKRAINE
29
6
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.
1979
3
1
a.shiba
a.shiba
UKRAINE
2
0
This is the control board number 2, you need a second board to assemble the device.A good, reliable and easy to use bench power supply unit is probably the most important and most used device in every...
Power supply 22V 2,5A Main Board
2832
0
3
Vasiliy Semerenko
Vasiliy Semerenko
UKRAINE
33
15
Тестеры импульсных трансформаторовГлавнаяПриборыТестеры импульсных трансформаторовУстройства позволяют тестировать импульсные трансформаторы не выпаивая из платы. Выполнены на Ардуино Нано. Принцип ра...
Тестер импульсных трансформаторов ,светодиодной ленте WS2812
487
1
1
Yuray Yura
Yuray Yura
UKRAINE
67
30
Compact ignition controller unit in metallic enclosure. Designed and intended for controlling ignition, idle cut off valve, starter's relay and other engine actuators. Free outputs can be used for dif...
SECU-3 Lite rev.4
1180
1
3
Alexey A. Shabelnikov
Alexey A. Shabelnikov
UKRAINE
7
0
SECU-3 Micro Ignition ECU is for SI internal combustion engines. This unit is the simplest version among other SECU-3? units, but at the same time it has powerful tuning capabilities. If you want to a...
SECU-3 Micro rev.0
1331
1
3
Alexey A. Shabelnikov
Alexey A. Shabelnikov
UKRAINE
7
0
The Clock is based on an old VFD display - ILC3-5/7. The combination of new technologies and vintage VFD-display makes this clock very fancy and useful for users. The clock allows a user to see not on...
VFD clock with air quality monitoring
1839
0
1
DmytroDavydenko
DmytroDavydenko
UKRAINE
1
0
Apex AX17 amplifierhttps://www.diyaudio.com/forums/solid-state/164093-100w-ultimate-fidelity-amplifier-101.html
Apex AX17 amplifier
3431
0
6
John John Vu
John John Vu
UKRAINE
206
94
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)
2718
0
1
John John Vu
John John Vu
UKRAINE
206
94
1
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