Archive | July, 2006


As previously mentioned this little pcb was made to complement the power management work I have done with the gps data logger. It was intended to provide the hobbiest with the ability to SAFELY work with a 2000 mAh (2C continuous discharge) lithium polymer battery. The pcb includes a onboard 500mA USB charger, 5V-120 mA […]

SD GPS Logger Version 0.1

This is the gps data logger that I designed just recently. I just got the first one assembled. The EM406 gps uses the latest SIRFSTAR III chipset to make sure you get a signal in areas of dense foliage, canyons, and even inside buildings depending on the construction technique. Battery is a 3.6V lithium ion […]