Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: MODGPS SDFileSystem TextLCD mbed
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- Haicom HI-203E Serial GPS Receiver
 - Text LCD Display 2x40 (1x HD44780, 4x HD44100)
 - RS-232 Level Shifter (MAX232)
 - Adafruit Micro-SD breakout board+
 
| mbed Pin # | mbed Pin Function | Peripheral Pin | 
|---|---|---|
| p5 | SPI MOSI / SDFileSystem | SD Card Data In | 
| p6 | SPI MISO / SDFileSystem | SD Card Data Out | 
| p7 | SPI SCK / SDFileSystem | SD Card Clk | 
| p8 | SPI CS / SDFileSystem | SD Card Data CS | 
| p12 | GPIO / TextLCD | LCD RS | 
| p14 | GPIO / TextLCD | LCD EN | 
| p21 | GPIO / InterruptIn | Button switch to GND (start/stop logging) | 
| p22 | GPIO / TextLCD | LCD D4 | 
| p23 | GPIO / TextLCD | LCD D5 | 
| p24 | GPIO / TextLCD | LCD D6 | 
| p25 | GPIO / TextLCD | LCD D7 | 
| p27 | UART RX / GPS | GPS TX |