Tag Archive for "CD4094" - Open Electronics

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Expanding the pins of a microcontroller
What to do when the chosen microcontroller doesn’t have enough pins? We will find out in this tutorial, where we will learn how to use shift registers to control LEDs and read buttons with just three wires!...
- Posted 2 weeks ago
- 0

Clap sensor switch – in DIY Kit
It is capable of recognizing the sound of clapping hands...
- Posted 4 hours ago
- 0
Liquid level indicator for tanks – in DIY kit
This monitoring device is useful for keeping track of the...
- Posted 5 hours ago
- 0
LED candle with Breath-Activated ON/OFF – in DIY Kit
This LED candle with breath-activated ON/OFF function draws inspiration from...
- Posted 5 hours ago
- 0
Low charge audible warning for 12V batteries – in DIY Kit
This low-charge warning buzzer alerts you when your vehicle’s battery...
- Posted 5 hours ago
- 0
Automation for motorized blinds and shutters – in DIY Kit
Complete Kit for Motorized Outdoor Blinds and Shutters Automation. This...
- Posted 5 hours ago
- 0
Alcohol tester with LED indication and audible buzzer – in DIY Kit
With its high sensitivity and rapid response times, this kit-based...
- Posted 5 hours ago
- 0
LED candle with Breath-Activated ON/OFF – DIY Kit
This LED candle with breath-activated ON/OFF function draws inspiration from...
- Posted 3 days ago
- 0
Low Charge Audible Warning for 12V Batteries – in kit
This low-charge warning buzzer alerts you when your vehicle’s battery...
- Posted 3 days ago
- 0

PCB CAD, A SELECTION GUIDE
Getting to know and evaluate the software offer for PCB,...
- Posted 2 years ago
- 0
DIY Sensor – Innovation & Implementation
A sensor converts data such as heat, light, sound,...
- Posted 3 years ago
- 0
Getting Started with the ESP32
This article is a getting started guide for the ESP32...
- Posted 4 years ago
- 0

The flame that doesn’t burn
Based on Neopixel and a special ultra-thin Arduino, it simulates...
- Posted 2 years ago
- 1
Here are the Winners from the 3Drag 3d printing contest
Here we are, eventually the contest has come to an...
- Posted 9 years ago
- 0
Updates from the 3Drag 3dprinting contest: Roland Hoffert’s Hacks
Roland Hoffert, from www.eytec.de, submitted us this 3Drag (Velleman K8200...
- Posted 9 years ago
- 0
Updates from the 3Drag 3dprinting contest: Karl Seiss’s Hack
Karl Seiss from Austria made a very clever hack to...
- Posted 9 years ago
- 0

PCB Recycling: The Core of Your Electronics Is More Valuable Than You Think
The screen you are looking at this very moment will...
- Posted 2 years ago
- 4
PCB CAD, A SELECTION GUIDE
Getting to know and evaluate the software offer for PCB,...
- Posted 2 years ago
- 0
The Open Source community united against Covid-19
On March 11, WHO (World Health Organization) officially declared the...
- Posted 4 years ago
- 0
Coronavirus: Now Is The Time For Solidarity
The moment we are living, in China before and all...
- Posted 4 years ago
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Arduino ISP (In System Programming) and stand-alone circuits
We use an Arduino to program other ATmega without...
- Posted 12 years ago
- 226
Arduino GSM shield
This is a very low...
- Posted 13 years ago
- 218
Localizer with SIM908 module
The device is based on a GSM/GPRS module with...
- Posted 11 years ago
- 187
GSM GPS shield for Arduino
Shield for Arduino designed and based on the module...
- Posted 11 years ago
- 181
Small Breakout for SIM900 GSM Module
Some post ago we presented a PCB to mount...
- Posted 12 years ago
- 115

Clap sensor switch – in DIY Kit
It is capable of recognizing the sound of clapping...
- Posted 4 hours ago
- 0
Make your curtains smart
The home automation project for curtains is an innovative...
- Posted 5 hours ago
- 0
Liquid level indicator for tanks – in DIY kit
This monitoring device is useful for keeping track of...
- Posted 5 hours ago
- 0
LED candle with Breath-Activated ON/OFF – in DIY Kit
This LED candle with breath-activated ON/OFF function draws inspiration...
- Posted 5 hours ago
- 0
Low charge audible warning for 12V batteries – in DIY Kit
This low-charge warning buzzer alerts you when your vehicle’s...
- Posted 5 hours ago
- 0