Schematic

 

While the irrigation controller is available for purchase, here is the schematic and the parts list if you're savvy enough to make it yourself.

 

Parts List

  • 1X12_ROUND    53W5921        400    4    3.0    ADAFRUIT INDUSTRIES - 400 - Extra-long break-away 0.1 16-pin strip male header (5 pieces)

  • 140CLH-0810    91Y7202        25TRV220M8X10.5    429    0.427    RUBYCON - 25TRV220M8X10.5 - CAP, ALU ELEC, 220UF, 25V, RADIAL CAN

  • .33uF    C0603    78Y5231        0603B334K250CT    4510    0.01    WALSIN - 0603B334K250CT - CAP, MLCC, X7R, 0.33UF, 25V, 0603, REEL

  • .1uF    C0402    78Y5137        0402F104M250CT    15636    0.0010    WALSIN - 0402F104M250CT - CAP, MLCC, Y5V, 0.1UF, 25V, 0402, REEL

  • 1N4004    DO41-10    unknown    

  • 1N4004    DO41-10    unknown                      

  • GSH15    02P0318        64900001039    2766    0.145    LITTELFUSE WICKMANN - 64900001039 - FUSE HOLDER, 5 X 20MM, PCB MOUNT

  • 7805T    TO220H    81Y6957        NCP7805TG    1721    0.246    ON SEMICONDUCTOR - NCP7805TG - LINEAR VOLT REG, FIXED, 1A, 5V, TO-220-3

  •  MCP3008    DIL16    19C7200    MICROCHIP    MCP3008-I/P    862    1.66    MICROCHIP - MCP3008-I/P - ANALOG TO DIGITAL CONVERTER ADC, 10 BIT, 200KSPS, DIP-16

  • 4052    F4052    64K3159    AROMAT/ MATSUSHITA    JW2SN-DC5V    82    2.25    PANASONIC ELECTRIC WORKS - JW2SN-DC5V - RELAY, DPDT, 277VAC, 30VDC, 5A

  • 691131710004    691131710004    59K9243    WIELAND ELECTRIC    25.161.0453.0    578    1.4    WIELAND ELECTRIC - 25.161.0453.0 - TERMINAL BLOCK, PCB, 4 POSITION, 22-12AWG

  • LED5MM    unknown      

  • LED5MM    unknown                    

  • 220    0207/10    38K0351    FARNELL    MCF 0.25W 220R    20784    0.015    MULTICOMP - MCF 0.25W 220R - CARBON FILM RESISTOR, 220 OHM, 250mW, 5%

  • 220    0207/10    38K0351    FARNELL    MCF 0.25W 220R    20784    0.015    MULTICOMP - MCF 0.25W 220R - CARBON FILM RESISTOR, 220 OHM, 250mW, 5%

  • 0207/10    38K0281    FARNELL    MCF 0.5W 220R    2763    0.021    MULTICOMP - MCF 0.5W 220R - CARBON FILM RESISTOR, 220 OHM, 500mW, 5%

  • rPiZero    2X20    28Y5334        2222    0    1.55    ADAFRUIT INDUSTRIES - 2222 - GPIO Header for Raspberry Pi A+/B+/Pi 2 - 2x20 Female Header

  • 320-916    unknown                    

  • 2N2222    TO92-EBC-OVAL    08N7700        2N3704    3483    0.063    MULTICOMP - 2N3704 - BIPOLAR TRANSISTOR, NPN, 30V, TO-92