More ideas from László
[ Play Video ]I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery...

[ Play Video ]I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery.

Ultrasonic Parking Aid

There are several instructables already that use the HC ultrasonic distance sensor as a parking spotter;

StepMaster ver 2.5 EN

StepMaster ver 2.5 EN

How to build your own WiFi extender from a cheap $2-$8 ESP8266 WiFi module***EDIT: Since the writing of this instructable, the firmware has been improved greatly,...

How to build your own WiFi extender from a cheap $2-$8 ESP8266 WiFi module***EDIT: Since the writing of this instructable, the firmware has been improved greatly,...

Slow Cooked on the Grill Ribs are the best around! Make them for any summer dinner and enjoy the flavor! You're going to want to make them again!

Slow Cooked on the Grill Ribs are the best around! Make them for any summer dinner and enjoy the flavor! You're going to want to make them again!

This is my latest project – The Switcher, a Wifi, open source, power switch and socket. Built with modularity in mind – It can be mounted as a wall lights switch or used as a standalone…

This is my latest project – The Switcher, a Wifi, open source, power switch and socket. Built with modularity in mind – It can be mounted as a wall lights switch or used as a standalone…