Tag Archive for "astronomy" - Open Electronics

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Celestial Sphere – Sky Dome
This project is an astronomy educational tool teaching about stars’ constellations, where the user can pick and choose any constellation they would like out of 15 different ones. The dome is manually rotatable so the user can...
- Posted 3 years ago
- 0
Raspberry Pi + Celestron127SLT = Hands-Free Telescope Focus System
Cosmos enthusiast Jason Bowling’s come up with a very straightforward way of focusing his Celestron 127SLT with a Raspberry Pi Zero SBC. “One of the tradeoffs with the mid-price Celestron 127SLT is that it shakes rather badly...
- Posted 5 years ago
- 0

AMPLIFIER CLASS D 2x15W
Based on the PAM8610 chip, this small Class D stereo...
- Posted 1 month ago
- 1
Demoboard for ESP32
Demoboard for the famous ESP32 Bluetooth and WiFi module (available...
- Posted 6 months ago
- 1
TOTEM: learning by experimenting
Let’s learn about an interesting educational platform that allows...
- Posted 9 months ago
- 0
Air Quality Sensor – PM2.5, PM10
This module uses the principle of optical LASER light scattering...
- Posted 9 months ago
- 1
Small solar cell (0,5 V / 800 mA)
Photovoltaic cell with very small dimensions, suitable for carrying out...
- Posted 11 months ago
- 1
The cheapest Arduino alternative: PRO MIDI 1284P
It is halfway between an Arduino Mini (in size)...
- Posted 11 months ago
- 3
Chip 1 IN – 4 OUT USB 2.0 High Speed
The FE1.1s chip is a high-performance, low-power integrated circuit that...
- Posted 11 months ago
- 0
Display Oled 1.3 inch
1.3″ Organic Light Emitting Diode (OLED) Display with good contrast,...
- Posted 12 months 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 1 year 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 1 year 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 3 years ago
- 0
Coronavirus: Now Is The Time For Solidarity
The moment we are living, in China before and all...
- Posted 3 years ago
- 0

Arduino ISP (In System Programming) and stand-alone circuits
We use an Arduino to program other ATmega without...
- Posted 11 years ago
- 225
Arduino GSM shield
This is a very low...
- Posted 12 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