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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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ZIMBABWE
A simple board that provides clean 3.3v power to the ESP8266 and then 5V power the the RGB LED lights. There is also a level shifter from the ESP's 3.3v to the LEDs 5v data line.
ESP8266 Single strand RGB LED controller board
1287
0
2
Peter Hein
Peter Hein
UNITED STATES OF AMERICA
1
1
### DESCRIPTION Prototyping board with 2.54, 3.81(Screw terminals), 4.2 (Minifit Jr), and 5.08 mm pitch. Mounting holes are match with STM32NUCLEO Development Board.### TECHNICAL DETAILS / COMPONENTS#...
Prototyping Board for the STM32NUCLEO
1093
0
0
Konstantin Ostrovskiy
Konstantin Ostrovskiy
UNITED STATES OF AMERICA
0
0
### DESCRIPTIONThis is an Arduino shield PCB that is used to build an IV curve tracer for PV modules. This version uses an external electromechanical relay (EMR) for the switching.### TECHNICAL DETAIL...
IV_Swinger_2_module_Rev_B_2019-01-06
1563
0
2
csatt
csatt
UNITED STATES OF AMERICA
5
0
A minimal, snowflake-shaped LED matrix Christmas tree ornament. An ATTiny24 displays scrolling messages on a charlieplexed 5*8 LED matrix display.An ATTiny24 controls all aspects of this device. It sc...
LED matrix Christmas tree ornament
993
0
1
Craig Morris
Craig Morris
UNITED STATES OF AMERICA
0
0
Description:Perfect prototyping board for the holidays. Its small compact design allows for a wide variety of components to be used and circuits to be constructed. Great for practicing solder skills o...
Christmas Owl Prototyping Board 2018
769
0
0
Nicholas Ambrose
Nicholas Ambrose
UNITED STATES OF AMERICA
1
1
### DESCRIPTIONGate driver for an interleaved boost converter.### TECHNICAL DETAILS / COMPONENTSThe design is for high switching frequency. The optocoupler provides isolation with very low propagation...
GD_Mark_IV
1124
0
1
Thierry Kayiranga
Thierry Kayiranga
UNITED STATES OF AMERICA
0
1
This project was designed to monitor current in up to four AC circuits. It is configurable through the touch screen. Each of the four Current Transformer (CT) inputs is configurable for current transf...
PowerMonitor_V7_2
107
0
0
Gerald Maurer
Gerald Maurer
UNITED STATES OF AMERICA
3
31
This is a ZX Spectrum +3 Clone base on CLPD EPM7128S. The ULA implement is base on "ULA chip for ZX Spectrum" project by Rodriguez Jodar, Miguel Angel (https://opencores.org/projects/zx_ula) PCB can b...
ZX Max +3 Issue 1
316
0
1
Don Superfo
Don Superfo
UNITED STATES OF AMERICA
76
1
A flashable MBC5 Game Boy cartridge that uses the M29F160 and FRAM. I suggest using this board for non-Game Boy Color games.I made this specifically for use with the Super Game Boy Plus boards: https:...
Game Boy MBC5 Cartridge (Type A, FRAM)
185
0
0
Nick
Nick
UNITED STATES OF AMERICA
58
0
The circuitry incorporated into the PCB defined in this project controls a remote rotator system we designed for use with a MastWerks mast and BuddiHex antenna (see buddipole.com). The project is desc...
MastWerks-BuddiHex Remote Mast Rotator Control Board v1.1
233
0
0
Leon Bruner
Leon Bruner
UNITED STATES OF AMERICA
0
0
PCBWay Note: Since this project includes sensitive chips that are easily damaged during soldering and transportation, we do not recommend placing a PCB + Assembly order. If you still wish to proceed, ...
BITAXE_HEX
223
0
2
Engineer
Engineer
UNITED STATES OF AMERICA
3
0
Synthesizer for Test Bench3 display options-LDC 1602A-OLed 0,92-Max7219 7 segment 8 digit.DC connectors optionals for 12Vdc & 5Vdc.You can follow me here:https://www.facebook.com/groups/QrpCubaPle...
Test Bench Synthesizer
327
0
0
Juan Carlos Berberena Gonzalez
Juan Carlos Berberena Gonzalez
UNITED STATES OF AMERICA
8
0
This is a modification to convert an LED LCD TV to Full Array Local Dimming Backlight.Circuit and Parts list: https://mousa-simple-projects.blogspot.com/2024/06/diy-full-array-local-dimming-backlight....
Full Array Local Dimming TV Backlight
508
0
2
MOUSA Mousa - Simple Projects
MOUSA Mousa - Simple Projects
UNITED STATES OF AMERICA
160
6
I needed to program a SPI FLASH, at 1.8V. Using FT232H USB/Serial converter the levels are at 3.3V. This board provides level shifting between the two. For power it uses a USB Mini (no data, just powe...
SPI Level Shifter
230
0
1
Dan Meeks
Dan Meeks
UNITED STATES OF AMERICA
0
0
Popular op-amps are NE5532 JRC5532 NJM5532 you might consider JRC4556 for higher currents
NE5532 Headphone Amplifier
619
0
1
IMSAIGUY
IMSAIGUY
UNITED STATES OF AMERICA
207
0
This project uses a 556 timer to generate a pulse a certain time after being turned on. That pulse is run through a 2n7000 FET to be open collector and you can use it to virtually 'press a button' aft...
Compact pulse generator / restart circuit
329
0
1
Evan Allen
Evan Allen
UNITED STATES OF AMERICA
6
0
1
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