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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
Solar Powered WiFi Weather Station V4.0
Low Cost Drone using ESP32
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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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ZIMBABWE
FEATURESRobust Design using NPN transistor to drive each relayRelay On Indicator LED for each of the eight relays.Back EMF / Surge protection diode across each relay to protect driving circuit3 Pin PB...
8 Channel Relay Board with Regulator
549
0
0
Gals Aer
Gals Aer
INDONESIA
2
4
A simple QRP CW transceiver with one transistor and an audio amplifier, based on the Pititico CW Transceiver designed by PY2OHH. This is the 40m band version and it has about 700mW output power. It's ...
Pititico 2, QRP CW Transceiver
2533
2
6
DX Explorer
DX Explorer
ROMANIA
28
23
Provides an on-board memory battery for the REXCPMAssembly notes:For battery holders BT1, BT2, BT3 (NOT BT4!) break the rear walls off before soldering, so that a battery can pass all the way through ...
Batteries for REXCPM
568
0
0
Brian K. White
Brian K. White
UNITED STATES OF AMERICA
20
0
NEW VERSION available at:https://www.pcbway.com/project/shareproject/Commodore_64_128_Stock_Power_Supply_High_Efficiency_Low_Noise_5V_9VAC_C64_C128_V_915550cc.htmlIt replaces the internal board with a...
Commodore 64 128 Stock Power Supply High Efficiency Low Noise 5V 9VAC C64 C128 VIC20 PSU Replacement
1980
7
14
Edoardo kinmami
Edoardo kinmami
JAPAN
230
15
ESP32 cnc board compatible with fluidnc firmware which is GRBL for esp32, compatible with tm2209 driver and external standard drivers, can be programmed with ESP-IDF, Arduino, Micropython. Connector f...
ESP32 CNC Board
1714
4
7
Joan Peralta
Joan Peralta
DOMINICAN REPUBLIC
6
5
It is very important to observe the voltage drop on a power transistor, so switching windings is very useful. Otherwise, with an inept approach, you will receive burnt details and finances. I use a se...
Linear laboratory power supply
1163
0
0
Epishko Dmitry
Epishko Dmitry
UKRAINE
14
0
An SNES DIP 42 Lorom/hirom nosave pcb2mo maximal capacityyou can use dip42 eprom type 27c160 (2mo ) or 27c800 ( 1mo ) or 27c400 ( 512ko )they are easy to find and cheaper than 32pin usualy used in sne...
SNES DIP 42 Lorom/hirom nosave pcb
1834
23
9
marvin marv17
marvin marv17
FRANCE
34
0
This is a Polish cartridge for the c64 computer. In the 80's and 90's a series of popular cartriges for c64 was created in Poland under the common name BackBox. They included, above all, a turbo syste...
Black Box v9 - Cart c64 ver 2
1983
3
5
Gregor - Vintage computers
Gregor - Vintage computers
UNITED KINGDOM
3
0
In this tutorial, I am sharing Cale-IDF library that is used to let ESP32 interface e-Paper over SPI and connect at the same time to cale.es web server to derive display frame data.The firmware is des...
ESP32 Lilygo T5 Board e-Paper Interface with Cale IDF
627
0
0
WARD Useful Electronics
WARD Useful Electronics
TURKEY
9
0
Infineon IPM Board for BLDC Drive and InvertersThis PCB is designed to develop three-phase inverters or motor drives. This project can be used to develop different projects such as UPS, BLDC Motor Dri...
Infineon IPM Board for BLDC Drive and Inverters and VFD
888
2
2
Mehtab Hussain
Mehtab Hussain
PAKISTAN
1
0
For those looking for a trickier board to assemble, here's an encoder board with Lattice MachXO CPLD chip in QFN32 package. This chip is mounted on the bottom of the board and on top there is a2x7-seg...
Rotary encoder with 7-segment display and Lattice MachXO CPLD
651
0
0
Artur Jasowicz
Artur Jasowicz
UNITED STATES OF AMERICA
1
7
The TI 99/4A FinalGROM Cartridge, or FinalGROM 99 for short, is a cartridge for the TI 99/4A home computer that allows you to run ROM and GROM cartridge images from an SD card.The FinalGROM 99 support...
TI-99/4a FinalGROM99
1404
0
7
mike danick
mike danick
UNITED STATES OF AMERICA
37
0
Connect an NES or SNES gamepad controller to this PCB and it will continually read the button states from the gamepad's internal 4021 shift register (clocked by an ATTiny26L on this PCB).The button st...
NES / SNES Controller Button Signal Breakout Board
1275
0
2
Gadget Reboot
Gadget Reboot
CANADA
71
19
This time YE3CIF will assemble Bitx Multiband Radio, complete with DDS VFO on one board using STM32F103C8T6 and SI5351, 1.8inch TFT screen. This basic radio is Bitx20 made by Om Farhan VU2ESE from Ind...
Front Panel Radio BITX Transceiver Multiband v1.1 |
1438
0
3
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
94
2
IntroductionAutomatic street light controllers are devices or systems designed to control the operation of street lights based on predefined conditions. They play a crucial role in managing the energy...
Automatic Street Light Controller Circuit Design
920
0
1
Rabin Poudel
Rabin Poudel
NEPAL
7
0
The Arp 2600 "Voltage Processor" section is one of the many designs that makes this legendary synth a legend. This project is a clone of one of the 2600's 4 voltage processors--the "lag processor"; th...
ARP2600 Lag Processor Clone
805
0
0
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
25
1
1
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