![Microcontroller - PIC Based GPS to SD-Card Data Logger](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZV1MiqxQFWK5D5i_us3sJ15LzVN8KClER0Pv9X4vEZat-tneJGNhDWVp_iw9QnNPrp6W6ulKMZhYOY5j23tAwAnrIiJHYjbiL4jwWM4W2O6HH4VfBmFR8L4qlhxZfYXI-jACX0P6tnjyh/s400/GPS+data+logger.jpg)
The total active power consumption is about 40mA to 45mA when active which in theory should give 48 hours on rechargeable batteries with 2000mAh capacity. In practice I have measured a time of 40 hours.
Download : schematic and source code
related serch : Microcontroller Circuit Project, GPS, SD Card, Data Logger, PIC (src)