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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
QuinLED-Dig-Uno
kv4p HT v1.7b
Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Arduino RC engine sound & light controller with inertia simulation for ESP32
4X40 Watts 4 Channel Audio Amplifier Board DIY TDA7388/CD7388 IC
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
QuinLED-Dig-Uno
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The Tad Boy Color is a fully custom, miniaturized Game Boy Color asking a simple question: just how small can you make a GBC while still using the original cartridges?Using the original CPU and RAM fr...
Tad Boy Color
10798
2
38
Chris LeggoMyFroggo
Chris LeggoMyFroggo
UNITED STATES OF AMERICA
71
0
About two years ago I got a hold of a basic electronics kit: resistors, LEDs, buttons, a breadboard, etc. Looking at the components, I had no idea what any of them did, let alone how to use them; and ...
Charlieplexed LED Countdown Timer
412
0
0
Engineer
Engineer
UNITED STATES OF AMERICA
0
0
This board is designed for this klipper extra to read thermisters over I2C. Once hooked up to 3.3V and wired into the I2C of the Klipper MCU or host, this config block can be used to utilize it.[ads1x...
Klipper I2C themister board
222
0
0
Nathan Sasser
Nathan Sasser
UNITED STATES OF AMERICA
0
0
UPDATE: new revision 9-29-24 posted. Lower parts count, more reliable software debouncing for the encoder, and improved ground plane--please see this blog post for details:https://audiodiwhy.blogspot....
Rotary Encoder Experimenter's Dev Board
209
1
0
AudioDIWHY
AudioDIWHY
UNITED STATES OF AMERICA
30
1
http://www.modeltstarters.comThe newest additions to my offerings are Model T Voltage Regulator & Diode Cutouts. It’s been a long, winding road to get here, but worth it. In the early 1900’s ...
Model T LM393 emitter follower Voltage Regulator V2.0
868
0
0
Jeff Stevenson
Jeff Stevenson
UNITED STATES OF AMERICA
0
2
INTRODUCTIONThe Arduino Nano RP2040 Connect comes with a built in IMU. It's fast speed and ability to program it with the Arduino IDE, it makes for a great microcontroller to serve as a quadcopter fli...
World's First Published Open-source Arduino Nano RP2040 Connect Drone Flight Controller
4438
2
8
Sean Miller
Sean Miller
UNITED STATES OF AMERICA
5
1
This is a simple remote controller circuit consisting of two main parts:TransmitterReceiverThese kinds of units are used to control home appliances remotely. The user can handle the transmitter side a...
Control Household Appliances Remotely- PCB Board
1390
0
0
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
Digital Voltmeter:Digital voltmeters are used to measure potentials between two different points and they display the values in the form of digits accurately that is why they are more reliable to use....
Digital Voltmeter PCB Board To Measure Voltages Accurately
2376
1
2
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
Working of H-Bridge Driver:H- Bridge driver circuit is made up of four transistors that act as switches to spin or rotate the motor by turning them off or on in either forward or backward direction. I...
Control Direction of DC Motor Using H-Bridge Driver PCB
1727
0
1
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
ICE40 FPGA:The ICE40 chip is an ultra-low-power FPGA and sensor manager designed for ultra-low power mobile applications, such as smartphones, tablets, and hand-held devices. It provides controls for ...
FPGA PCB Using ICE40 To Drive 64×64 LED Matrix
2373
1
2
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
See the documentation on GitHub:https://github.com/csatt/IV_SwingerThe IV Swinger is an IV curve tracer for photovoltaic solar panels. Both the hardware design and the software are open source.This Gi...
IV_Swinger_2_ss_cell_Rev_A
843
0
0
csatt
csatt
UNITED STATES OF AMERICA
5
0
This is a high impedance buffer that runs off of P48 from a portable professional recorder or microphone pre-amp. It is designed to be embedded with resin along with this transducer to make a hydropho...
Hydrophone Piezo Buffer
6679
9
12
Jules Ryckebusch
Jules Ryckebusch
UNITED STATES OF AMERICA
77
3
The heart rate monitor is used to measure heartbeats in a minute. It can be useful in many applications like health and fitness. For those who go for workouts daily, it has been easy for them to keep ...
Heart Rate Monitoring PCB Board Design for Workout
3587
0
1
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
Guitar amps and/or speakers tend to emphasize extremely high frequencies, the Defizzerator can be used to roll off extreme highs after any pedals or buffers, in the effects loop of an amplifier, or ev...
DEFIZZERATOR REVBc CLONE PCB
1941
0
1
ENRIQUE MALDONADO
ENRIQUE MALDONADO
UNITED STATES OF AMERICA
6
27
My TX4 Wireless Sensor Transmitter replaces the La Crosse TX4U wireless sensor which is no longer made. I bought a La Crosse WS-9025U Weather Projection Station from Costco in October 2003 for $4...
MyTX4 To Replace The La Crosse TX4U
4736
0
2
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
I will be using this board to run my automatic chicken coop. The project requires three relays to control lights and a motor to automatically put the door up and down. While designing this board I d...
Wemos D1 Mini Breakout Board with Three Relays and AC Power Supply
2703
1
3
Matt Bombich
Matt Bombich
UNITED STATES OF AMERICA
4
0
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