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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
SIDKick pico 0.2 (SID 6581/8580-replacement for C64/C128)
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DIY Mechanical Macro Keypad ― Ocreeb
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Frog Boy Color
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
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 0.2 (SID 6581/8580-replacement for C64/C128)
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My version of tracing printed circuit boards Salas UltraBiB shunt regulator.PCB are not for commercial use.https://www.diyaudio.com/community/threads/salas-sslv1-3-ultrabib-shunt-regulator.322411/
Salas UltraBiB shunt regulator
3166
18
5
John John Vu
John John Vu
UKRAINE
186
87
Elektor Numitron Arduino Clock? Four IV-9 Numitron tubes? Date/Time/Year/Seconds/Temperature readout? ATmega328 microcontroller? Developed on Arduino platform? On-board adjustable SMPSU for optimal Nu...
IV-9 Elektor Numitron Arduino Clock
729
0
0
John John Vu
John John Vu
UKRAINE
186
87
Tone regulator on ECC82 tube.
Tone regulator on ECC82 tube.
1676
0
2
John John Vu
John John Vu
UKRAINE
186
87
### DESCRIPTION### TECHNICAL DETAILS / COMPONENTS### LEARN / TOPIC / BUILD INSTRUCTIONS
Solderind station
1226
1
1
Vasiliy Semerenko
Vasiliy Semerenko
UKRAINE
33
15
The relay is controlled by 5V logic through a transistor MMBT2222, with LED ON when the relay is open.
G1Tech_Power_Relay_r3
915
0
1
G1Tech
G1Tech
UKRAINE
12
2
Lovepedal - Purple Plexi
Lovepedal - Purple Plexi
188
1
1
Glory to Ukraine
Glory to Ukraine
UKRAINE
215
31
Simple Speaker Protection with galvanic isolation.The delay in the connection of the AC 3-4 seconds. Turning off the AC with a constant voltage at the output of the amplifier 1.5-1.7 volts.
Speaker Turn-On Delay and DC Protector
127
0
0
John John Vu
John John Vu
UKRAINE
186
87
Maestro - FZ1
Maestro - FZ1
257
2
1
Glory to Ukraine
Glory to Ukraine
UKRAINE
215
31
Inverter 12-220Power 300WModified sine wave
Inverter 12-220
215
0
0
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
Display: GMG12864Chip: STM32F103RBT6Firmware: https://drive.google.com/drive/folders/1BfCyhTbWYaxWCty5ucm968V5t9__9CpP?usp=sharing
Soldering station for tips JCB on STM32
332
0
0
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
MXR Distortion Plus
MXR - Distortion Plus (PCB 2)
319
1
4
Glory to Ukraine
Glory to Ukraine
UKRAINE
215
31
Mesa Boogie - Flux Drive
Mesa Boogie - Flux Drive
361
1
1
Glory to Ukraine
Glory to Ukraine
UKRAINE
215
31
Power supply: https://www.pcbway.com/project/shareproject/Power_supply_unit_for_JFET_only_Circlotron.html
JFET Circlotrons without NFB v3
245
0
0
John John Vu
John John Vu
UKRAINE
186
87
Operating principle: current stabilizer!The power depends on the transistors you use!Possibility of parallel connection of boards to sum up the dissipated power!
Electronic load
735
0
1
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
Measures up to 36V (999V with divider, 999 Amps with appropriate shunt).Sketch, information and schematic: https://drive.google.com/drive/folders/1ItMQibXU4W4SMhidFqE97Mk4TnZ5A5e-?usp=sharing
Voltmeter/ammeter on Arduino and INA226
1216
4
2
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
Charger Resurs-1Manual operation:- current adjustment.Auto mode:- current adjustment.- short circuit protection- protection against reverse polarity.- voltage cut-off.
Thyristor charger for car batteries Resurs-1
655
0
0
Epishko Dmitry
Epishko Dmitry
UKRAINE
9
0
1
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