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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)
Desktop Neon Effect LED Signs
DIY Mechanical Macro Keypad ― Ocreeb
SIDKick pico 0.2 DAC (SID 6581/8580-replacement for C64/C128)
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Frog Boy Color
Filament Maker from PET Bottle
Low Cost Drone using ESP32
Solar Powered WiFi Weather Station V4.0
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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)
Desktop Neon Effect LED Signs
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Here’s the design for a low cost, easy to build and use battery operated ‘shorted turns’ tester for line-output or ‘flyback’ transformers, and other HF wound components like deflection yoke windings a...
SMPS Transformer Tester
795
0
2
burhan
burhan
TURKEY
56
7
The standing wave ratio meter is based on the ATMega8 or 48 microcontroller. Connects to SWR brige of any design. The inputs are connected to the measuring line in any order. The program itself will d...
Automatic SWR meter with only 2 dig 7-seg display
564
0
0
Andrei Bochkarev
Andrei Bochkarev
TURKEY
18
0
Hello, more stable, stable version of the 100 Watt Mono Semi-Complementary Amplifier, known in Colombia as ZENER. Its noise is very low, and it does not make an explosion sound when opened.Even though...
Quasi Complementary Amplifier
812
0
1
burhan
burhan
TURKEY
56
7
74HC595 SLIDING LED -74HC595 The 74HC595 Shift register IC is a shift register that provides parallel reception of serial input data. By storing the serial data in D type flip-flop, it provides p...
-74HC595 SLIDING LED
445
0
0
Beytullah Gültepe
Beytullah Gültepe
TURKEY
34
0
FEATURESInput supply 12 VDCOutput four SPDT relayTrigger level 3.3 ~ 5 VDCHeader Connector for connecting power and trigger voltageLED on each channel indicates relay status1A Fixed 5V Positive 15V SO...
5 Channel Relay Board with Regulator (SMT)
383
0
0
Gals Aer
Gals Aer
INDONESIA
2
4
Amplificador 2.1 (estéreo + salida para subwoofer) hecho en base al IC TDA2030 (también pueden utilizar el TDA2050 y el LM1875). El diseño incluye la fuente de alimentación en la misma tarjeta. El tra...
Amplificador 2.1 con TDA2030
2211
1
4
Cristian Castro
Cristian Castro
ARGENTINA
16
0
FEATURESRobust Design using NPN transistor to drive each relayRelay On Indicator LED for each of the 4 relays.Back EMF / Surge protection diode across each relay to protect driving circuit3 Pin PBT co...
4 Channel Relay Board with Voltage Regulator
483
0
0
Gals Aer
Gals Aer
INDONESIA
2
4
8 Channel Relay Board using ULN2803CDWRFEATURE :Input supply 12 VDC @ 336 mAOutput eight SPDT relayRelay specification 5 A @ 230 VACTrigger level 2 ~ 15 VDCHeader connector for connecting power and tr...
8 Channel Relay Board
822
0
0
Gals Aer
Gals Aer
INDONESIA
2
4
Jest to pierwsza wersja PCB jeszcze nie sprawdzona czy w ogóle działa. Kiedy dotrze do mnie zamówione PCB, wtedy uruchomię i powiem czy pojawiły się jakieś problemy w projekcie.Niestety jest zbyt dużo...
Espressif ESP32 Board with LAN8720 and POE power suply
2381
1
2
Marek Kozera
Marek Kozera
POLAND
4
0
A DCC accessory decoder for control of 8 dual solenoid devices.Can also be used for control of upto 16 devices that only need on/off control eg. lights.This is designed with all through hole component...
RT DCC Pulse 8 Turnout Decoder with capacitor discharge unit.
689
0
0
Ross Ross
Ross Ross
AUSTRALIA
4
0
Low Power Continuity TesterBoard Size 50.5mm x 20mm,Low power : Should run a decent amount on time on a single CR2032 cell.Fully featured :Low voltage continuity test mode : Compliance voltage < 0....
Low Power Continuity Tester
376
0
0
pohokanapoe MIV
pohokanapoe MIV
INDONESIA
4
8
A simple QRP wattmeter and dummy load that allows you to measure the RF output power. Designed for QRP with 1W to 10W scales or 2W to 20W. In the blog article you will find more detailed info.Read the...
Two Scales QRP RF Wattmeter And Dummy Load
2009
2
2
DX Explorer
DX Explorer
ROMANIA
28
23
There is a problem with the mounting holes of the usb c connector. Holes are smaller than they should be
ESP Weather Station
1094
0
2
Abdulkadir ÜNVER
Abdulkadir ÜNVER
TURKEY
10
2
A minimalist QRP CW transmitter built in less than ten minutes. Only twelve components and an output power of 700mW @ 12V or 500mW @ 9V. A great project for beginners in building amateur radio equipme...
QRP Minimalist CW Transmitter
2771
2
3
DX Explorer
DX Explorer
ROMANIA
28
23
Based on Lemmini by Volker Oth.It provides an inexpensive low jitter high precision PLL replacement for CSG8701 / MOS8701 PAL / NTSC for C64C, C64G and C128.U1 ICS525-01 28-pin SSOP (150 mil body) Ava...
Commodore 64C 64G 128 Short Board Clock PLL Low Jitter High Precision Replacement CSG8701 MOS8701 PAL NTSC
1066
4
5
Edoardo kinmami
Edoardo kinmami
JAPAN
230
15
Намоточные данные ФНЧ усилителя мощности приведены в таблице.Индуктивности 5L2 – 5L4 и 5L6 - 5L8 изготовлены на ферритовых бинокулярных сердечниках от симметрирующих устройств отечественных телевизоро...
ФНЧ Усилителя Аматор КФ
816
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
1
...
540
541
542
543
544
545
546
547
548
549
550
...