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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
QuinLED-Dig-Uno
Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
SummerCart64 - a fully open source N64 flashcart
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
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
kv4p HT v1.7b
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Hidden HID is a tiny 8x12x0.4mm thick PCB that can be concealed entirely inside a USB A port. Once inside, is almost entirely undetectable to the untrained eye. All components in the circuit are place...
Hidden HID: an invisible USB Rubber Ducky
294
0
2
Engineer
Engineer
GERMANY
0
10
The ChotuBot robotics kit introduces users to three fundamental applications of robotics. Its modular design and adaptability make it suitable for beginners, hobbyists, and STEM education.The ChotuBot...
ChotuBot - must have Fun Robot for all ages!
72
0
1
Ankita Pardeshi
Ankita Pardeshi
INDIA
1
0
This DIY measuring wheel measures distance as you roll it along the ground (the wheel will have a circumference of 1m). The picture included illustrates the wiring of the electronic display. When a bu...
Measuring wheel PCB
24
0
0
Engineer
Engineer
AUSTRALIA
0
0
The redesign of the PCB involved several key changes to improve its performance and decrease its size. Firstly, the 0805 components were replaced with smaller 0603 parts, allowing for a more compact l...
TCD1304 miniature PCB rev2
90
0
0
Curious Scientist
Curious Scientist
122
66
A tiny Bluetooth BLE module, on an equally tiny budget. The BOM of this module is below $1, and about $0.5 in large quantities.The use cases of this beacon are plenty, from standalone lost item finder...
Tiny BLE Beacon (11x11mm)
36
0
0
Biemster
Biemster
SERBIA, REPUBLIC OF
0
0
an 2025 enhanced edition of the flashkit md from Krikzzwhat difference in my redisigned version?Use an modern USB type C connector with the 2 needed 5k1 resistorAdded a polyfuse for protect againt sho...
Flashkit MD enhanced edition , Sega Megadrive/Genesis Dumper
38
0
0
marvin marv17
marvin marv17
FRANCE
39
0
Introduction In this project, we will create a Morse Code Trainer using an ESP32 board, a momentary touch sensor, a serial-enabled 16x2 LCD, a buzzer for sound feedback, and an RGB LED for visual feed...
ESP-32 Morse Code Trainer
29
1
0
Engineer
Engineer
INDIA
0
0
Audio Amplifier Project Using LM386DThis project is a compact and beginner-friendly audio amplifier based on the LM386D integrated circuit. It is designed to amplify audio signals efficiently while pr...
Audio Amplifier Project Using LM386D
56
0
1
Wandy Amaury
Wandy Amaury
DOMINICAN REPUBLIC
38
56
We present the STM32F405RGT6 based IMU Array Sensor Board, a motion sensor application solution. Supporting multi-axis IMU sensors, and flex, Why did you decide to make it?This is my first PCB design ...
STM32F405RGT6 - the IMU Array Sensor Board
86
0
2
Helmi Yusuf
Helmi Yusuf
INDONESIA
0
0
Universal Op Amp Tester by Learn Electronics RepairFind the videos herecircuit designhttps://www.youtube.com/watch?v=Ak3mwXcNFTwpcb designhttps://www.youtube.com/watch?v=ipCVDdhhGDUhttps://www.youtube...
The Ominous Op Amp Tester : Universal Opamp tester SMD and Through Hole
124
0
2
richard LER
richard LER
SPAIN
100
0
PicoPAC is a multicart DIY yourself based on cheap "PURPLE" Raspberry Pi Pico clone, easy to build and not expensive.WARNING! "purple" Pico has not the same pinout of original Raspberry "green" ones, ...
PicoPAC Flashcart for Videopac
49
2
1
Sebastien G.
Sebastien G.
FRANCE
0
0
Build a 1kW 80V 30A WiFi MPPT Solar Charge Controller, equipped with a phone app datalogging telemetry! (available on Android & IoS) The design has been intensively tested for months and has been ...
DIY 1kW Open Source MPPT Solar Charge Controller
88248
79
125
TechBuilder
TechBuilder
JAPAN
415
0
PLC ESP32 DC/DC/RLY || 8 DIGITAL INPUT + 4 ANALOG INPUT + 10 RELAY OUTPUT.New PLC with ESP32! 8 digital inputs at 24V. 10 24V/AC relay outputs. 4 analog inputs of 0-10V. WiFi and Bluetooth.Programmab...
PLC ESP32 DC/DC/RLY || 8 DIGITAL INPUT + 4 ANALOG INPUT + 10 RELAY OUTPUT.
56
0
1
EL INGE TAYU
EL INGE TAYU
ECUADOR
14
0
Battery Charger and Power Bank Project Using IP5306This project is a versatile, beginner-friendly power bank and battery charger based on the IP5306 integrated circuit. It is designed to provide effic...
Power Bank Project Using IP5306 IC
41
0
1
Wandy Amaury
Wandy Amaury
DOMINICAN REPUBLIC
38
56
My Raspberry Pi Pico Projects - 2 Jed Margolin 18 January 2025An expan...
GPS Clock and Armageddon Alarm 2 and GPS Altimeter
56
0
0
Jed Margolin
Jed Margolin
UNITED STATES OF AMERICA
15
0
You've probably heard of FreeTocuhDeck. You haven't? Go check it out: https://www.youtube.com/watch?v=soIGV6BszcMWhen I was designing FreeTouchDeck, I quickly ran in to issues when using a breadboard....
ESP32 TFT Combiner V1
22852
14
27
Dustin Watts
Dustin Watts
NETHERLANDS, THE
46
4
1
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3
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