Data Sheet
channel@makerfabs.com www.makerfabs.com
Interface: I2C/SPI/UART/18*GPIO
Arduino compatible
Working Temperature: -40 – 85℃
Default baud rate: 115200
Size: 40*55mm
Interface:
Pins usage on Arduino
D0 - RX from A6 (Hardware Serial Communication Selected)
D1 - TX to A6 (Hardware Serial Communication Selected)
D2 - Unused
D3 - Unused
D4 - SD Card CS PIN
D5 - Unused
D6 - Unused
D7 - RX from A6 (Software Serial Communication Selected)
D8 - TX to A6 (Software Serial Communication Selected)
①PWR: Power indicate
②CHG: Charge indicate
③VBAT: 3.7V Lipo battery connector
④ CHG: 5V power input, can connect the solar panel
to charge the lipo battery.
⑤ Micro USB: 5V power input, USB to serial
communication
⑥RESET: Reset button for ATmega328
⑦ Serial port select:
D0&D1 hardware serial port
D7&D8 Software serial port
⑧GPS: GPS Antenna IPX Interface
⑨1PPS: GPS Get location indicate
⑩STA: SIM808 status indicate
⑪NET: SIM808 Network status indicate
⑫GSM: GPRS/GSM Antenna IPX Interface
① Micro SIM Card holder
②Micro SD Card holder