SD CARD CONNECTION
PC4 = CS pink PC5 = CD (card detect) PA5 = SCK orange PA6 = MISO white PA7 = MOSI gray
micro SD
|-\
LCD CONNECTION
HD44780
GND VDD CONTRAST RS RW E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BACKLIGHT-A BACKLIGHT-C
PE.07 PE.08 PE.09 PE.10 PE.11 PE.12 PE.13
LED STRIP CONNECTION
red -> +5V white -> GND green -> PB.04 (Timer 3 Channel 1)
TSOP4838 Infrared Receiver
| | | | | | | | | 1 2 3
1 = DATA 2 = GND 3 = VDD