Park-aid electronic circuit diagram

Parts:

R1 - 10K 1/4W Resistor
R2,R5,R6,R9 - 1K 1/4W Resistors
R3 - 33R 1/4W Resistor
R4,R11 - 1M 1/4W Resistors
R7 - 4K7 1/4W Resistor
R8 - 1K5 1/4W Resistor
R10,R12-R14 - 1K 1/4W Resistors
C1,C4 - 1