wiki:PCB_RevX6

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PCB and connections (rev X6)

Special Thanks to Michael Staudenmaier for the picture and checking the PCB

  • 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_revx6.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
LM324 PIN 8 (C3 out)RA24Digital signal from the receiver circuitry
LM324 PIN 4 (VCC)RB324OutputVCC Op-Amp via R25 (330 Ohm)
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 (JP2))
L293DNE EN_34RC011OutputEnable output 3Y and 4Y
L293DNE 3ARA57OutputSwitches 3Y (Red lock blue wire (JP2))
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 GND
JP3 PIN2RA46Output
JP3 PIN3RC213Output (PWM)Switches 4Y (via C13 to antenna (JP1 PIN1))
JP3 PIN4RC112OutputBuzzer
JP3 PIN5 GND
JP3 PIN6 n.c.
JP2 PIN1 GND
JP2 PIN2 Red lock, blue cable
JP2 PIN3 Lock common (red lock white cable)
JP2 PIN4 Green lock, red cable
JP2 PIN5 Green lock, black cable
JP2 PIN6RB021 Door switch, red cable
Last modified 4 years ago Last modified on Feb 13, 2015, 12:22:10 AM