exactly how little is it? two things ought to provide you a great sense of scale, the SD card slot on the lower right, as well as the slide switch on the upper left. This minuscule module is an all-in-one GPS logger which [J3tstream] built.
Main system manage is offered by a Teens 2.0 board. If you look truly carefully you’ll see the SD card slot is really a breakout board which mounts on top of the Teensy’s pinheaders. likewise on the board is a PA6B GPS module with a few passive elements to support it. The back side of the board holds a Lithium Ion battery from an old phone. note the mangled pin header which works as connectors for the battery. [J3tstream] even developed a charger into the project. He’s utilizing an LTC4054 chip to deal with the charging. We were a bit confused at very first since we didn’t see a method to link outside power. however he goes on to discuss that the USB port on the Teensy board is utilized for charging. just plug in USB as well as press the button to get things started.
Leave a Reply