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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
SlimeVR Hyperion BMI160 PCB
Sputnik Regenerative Receiver - SSB, CW, AM, FM
MicroDexed-Touch (depreciated)
Filament Maker from PET Bottle
Solar Powered WiFi Weather Station V4.0
PICOZX (MotherBoard) LCD&VGA Emulated Spectrum 128k
Frog Boy Color
espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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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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Robust design using an NPN transistor to drive each relay with a PC817 optocoupler.Relay on LED indicator for each of the four relays.A diode is provided for reverse polarity protection.2 pin PBT prov...
4CH Relay Module
354
0
1
CD Smart
CD Smart
EGYPT
3
1
The circuit that switches between red and blue lights to simulate police lights using the ESP8266 controller and the PNP transistor 2N2222 can be described as follows:ESP8266: Acts as the main control...
Police lighting
288
0
1
CD Smart
CD Smart
EGYPT
3
1
Overall, the Smart Home 4-Line Board simplifies home automation and enhances convenience by centralizing control and monitoring of various smart devices. It offers flexibility, scalability, and a user...
Smart Home
666
0
2
CD Smart
CD Smart
EGYPT
3
1
Introduction And The Big PictureTiny-Cairoduino is a small-sized Development board based on the beautiful ATtiny85 chip from Atmel. Don’t get fooled by its small size, it’s powerful with great potenti...
Tiny-Cairoduino Open-Source DIY Kit
1267
0
2
Ahmed Ibrahim
Ahmed Ibrahim
EGYPT
12
1
Project OverviewFor someone who loves to shoot some random hobbyist videos, it’s somehow expensive to buy a motorized camera slider. So, I built my own. In this tutorial, we will go through each step ...
Arduino Motorized Camera Slider
12344
10
15
Ahmed Ibrahim
Ahmed Ibrahim
EGYPT
12
1
Introducing OpenRad, a simple radiation monitoring solution powered by the SBM-20 GM tube and TTGO ESP32 microcontroller. this project offers a user-friendly approach to tracking and measuring radiati...
OpenRad: A Geiger Counter using SBM-20 and ESP32
151
0
2
Omar Khorshid
Omar Khorshid
EGYPT
0
0
The circuit works to sense movement using the SIR motion sensor, and when anyone approaches the sensor, the lamp will light up and give a signal in the monitoring room.
Staircase lighting control
148
0
0
CD Smart
CD Smart
EGYPT
3
1
Project name : EGYsmart touch sensor smart faucet device.Introduction :First I saw xiaomi smart faucet device on internet. it was pretty impressive for me , that I wanted to perform the same technolog...
EGYsmart touch sensor smart faucet device.
1035
3
3
Islam Lawaty
Islam Lawaty
EGYPT
2
0
I made a modified power supply by taking 220v ac and out range from 1.4v to 34v dc with a range 0A to 10A it has a cooling system with a 12V fan and heat think and holes in the box with diodes and fus...
Modified power supply
535
0
1
Engineer
Engineer
EGYPT
0
0
To protect amplifier from over heat ,over reflection, vswr ,duty cycle ,can measure current from 6 current lanes,measure 2 different volt up to 100 vDc
RF Amplifier protection
494
0
1
Eslam Fayad
Eslam Fayad
EGYPT
2
0
This is a very efficient DC-DC buck converter, based on the LM3150MH Synchronous Step-Down Controller IC from Texas Instruments.It has a wide range of input voltages from 6 to 42V and a fixed output o...
3.3V/5A DC-DC Converter
1650
1
0
colhany
colhany
EGYPT
0
0
StoryWhat We Will Build Today?Today we will learn how to build a local web server using raspberry pi 3 model B (RPi 2, zero will work well) also we will make a web page that will be the user interface...
IoT Using Raspberry Pi and Python
2117
0
1
Ahmed Ibrahim
Ahmed Ibrahim
EGYPT
12
1
Tiny AVR Programmer BackgroundToday I will build an AVR programmer based on the FabOptimus that built by Ali Shtarbanov. It's very well documented and makeable at a fab lab. But, I wanna make a very s...
Tiny AVR Programmer
1651
0
1
Ahmed Ibrahim
Ahmed Ibrahim
EGYPT
12
1
You Always Need Such Circuit Before any Device Use any Kind of INDUCTOR Such as Power Supply, Inverters, Motors, Speakers, SMPSs
Electromagnetic Interferance Reduction
690
0
0
Ahmed Elsmahy
Ahmed Elsmahy
EGYPT
6
0
The Idea came from The NEED of Controlling stepper motors without complicating with and programming or microcontrollers and other complex ICs, I want to find the cheapest Solution.
Hard Disk Stepper Motor Speed Controller
1496
1
3
Ahmed Elsmahy
Ahmed Elsmahy
EGYPT
6
0
Lithium Battery Charger and Management System for Single CellOver Charge and Over Discharge ProtectionConstant Current Constant Voltage Method
Lithium ion Battery Charger With Full Protection
1755
0
1
Ahmed Elsmahy
Ahmed Elsmahy
EGYPT
6
0
1
2