wiki:PCB_IssE

Version 13 (modified by andi, 5 years ago) (diff)

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PCB and connections

  • Parts
    • MCU: Microchip PIC 16F886 (Datasheet)
    • Engine controller: L293DNE (Datasheet)
    • Quad op-amp: LM324 (Datasheet)
    • Brightness sensor
    • 3 x Buttons (red, green, door)
    • 2 x LED (red, green)
    • Trimmer for antenna adjustment

source:/trunk/doc/hardware/images/parts.png


  • Connections to the MCU
PartPortPinFunctionComment
RED LEDRB425Output
GREEN LEDRB526Output
RED buttonRB627Digital inputwith pull-up
GREEN buttonRB728Digital inputwith pull-up
DOOR buttonRB021Digital inputwith pull-up
Brightness sensorRA0/AN02Analog input
Voltage sensorRA3/AN35Analog input
RFID board output 3 (JP7 PIN1)RA24Comparator C2IN+
RFID board voltage supply (JP7 PIN4)RB324OutputVoltage supply for opamp
RFID board output 4 (JP7 PIN5)RA13Comparator C12IN1-
L293DNE EN_12RB223OutputEnable output 1 and 2
L293DNE 1ARB122OutputGreen lock red wire / Red lock white wire (JP2)
L293DNE 2ARC415OutputGreen lock black wire
L293DNE EN_34RC011OutputEnable output 3 and 4
L293DNE 3ARA57OutputRed lock blue wire
L293DNE 4ARC213OutputVia C13 to antenna (PWM)
L293DNE VCC1RC314OutputVoltage supply for L293DNE
BuzzerRC112Output
JP5 PIN3RC718Serial RX
JP5 PIN4RC617Serial TX
JP5 PIN5RC516
JP3 PIN5RA46