A versatile, powerful 10 + 10 W Audio amplifier
Today we present you a stereo 10 + 10 Watts audio amplifier based on TDA7297SA, a monolithic dual bridge amplifier…
3Drag (or Being Open Source, For real)
Being really open source is no joke. Open sourcing an hardware product, usually goes through several major steps. The first…
Expansion Shield for RaspberryPi compatible with Arduino
Let’s expand RaspberryPi functionalities with a shield that is compatible with the Arduino pinout and with an onboard analog to…
GSM Multifuction Alarm with SIM900
It’s small but packed with features. The GSM alarm we present today, sports a PIR motion sensor, can be battery…
The GSM/GPRS & GPS Shield: some Http connections examples
After having shown several examples regarding the use the GSM/GPRS & GPS shield with calls and text messages we are…
How to send and receive SMS with GSM/GPRS & GPS shield
This post is one in a series showing you the main features of the GSM /GPRS/GPS shield and of its…
Using the GSM/GPRS & GPS Shield: call examples
A few months ago, we presented a powerful shield that can enable devices from the Arduino family (Uno and Mega)…
Facebook counter – How many Likes to your facebook fanpage?
Whether it’s a personal, store or product page, popularity at today is measured in Likes: the number of users who…
How to build an Omni Wheels Robot
The invention of the wheel, literally revolutionized the history of man. Thanks to it, it was possible to create forms…
A new board for the 3Drag: there’s more than Sanguinololu
Let’s improve the 3Drag with this new board that allows to control a fan and (thanks to the ATmega2560 processor)…