You ll get lost in this book, but nowhere else Your GPS is a really cool toy, but what if you could make it even cooler? What if you could build and hook up data cables, modify your iPAQ cradle to take a GPS connection, tweak the firmware, hook up to

这是航标灯的代码，包含功能有gprs，gps定位，灯质，电池电压电流检测，等-This is the beacon lights of the code, including functions gprs, gps positioning, light quality, battery voltage and current detection, etc.

自动记录仪源码！！含有gprs，gps，电池电压检测等等功能-Automatic recorder source! ! With gprs, gps, function of battery voltage detection, etc.

添加功能：GPS开路、短路；启用备用电池持续15S后会有报警提示-Add function: GPS open circuit, short circuit enable battery backup alarm there will be continued 15S