battery

As many of you may know, this Lazy Old Geek loves Arduinos. Many of my projects are portable and need a battery source: http://www.instructables.com/id/Arduino-Pedometer/ http://www.instructables.com/id/Arduino-Nokia-LCD-Sensors/ http://www.instructables.com/id/Ultrasonic-Tape-Measure/   All pricing was determined about early 2012. So, I’ve been using Adafruit 6 AA Battery holder $5.00 https://www.adafruit.com/products/248 with 6 AA rechargeable batteries. (See Picture) Another choice would […]