wiki:PCB_IssE

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PCB and connections (Iss E)

  • 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
    • Buzzer

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


  • Connections to the MCU
PartMCU PortMCU PinMCU FunctionComment
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 inputvia voltage divider R23/R24
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 1Y and 2Y
L293DNE 1ARB122OutputSwitches 1Y (Green lock red wire / Red lock white wire (JP2))
L293DNE 2ARC415OutputSwitches 2Y (Green lock black wire)
L293DNE EN_34RC011OutputEnable output 3Y and 4Y
L293DNE 3ARA57OutputSwitches 3Y (Red lock blue wire)
L293DNE 4ARC213Output (PWM)Switches 4Y (via C13 to antenna (JP1 PIN1))
L293DNE VCC1RC314OutputVoltage supply for L293DNE
BuzzerRC112Output
JP5 PIN1 5V VCC
JP5 PIN2 GND
JP5 PIN3RC718Serial RX
JP5 PIN4RC617Serial TX
JP5 PIN5RC516
JP3 PIN1 12 V via D2 (L293DNE VCC2)
JP3 PIN2 GND
JP3 PIN3RC011OutputEnable output 3 and 4 (L293DNE)
JP3 PIN4RC213Output (PWM)Switches 4Y (via C13 to antenna (JP1 PIN1))
JP3 PIN5RA46Output
JP3 PIN6 Antenna (JP1 PIN2) (GND?)
JP2 PIN1 GND (red wire)
JP2 PIN2 Red lock, blue wire
JP2 PIN3 Red lock, white wire
JP2 PIN4 Green lock, red wire
JP2 PIN5 Green lock, black wire
JP2 PIN6RB021 Door switch, black wire
Last modified 4 years ago Last modified on Feb 13, 2015, 12:33:41 AM