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Signing UpStep 1Prepare the tools and the materials.
Multimeter - for examining the car's wiper control circuit.
Soldering Iron - for building the delay circuit.
B. Materials
Resistors (all are 1/4W) - 100K, 4K, 10K, 3.3K
1 variable resistor, 250K
1 electrolytic capacitor, 24V, 100uF
1 2N4403 transistor
1 2N4401 transistor
1 1N4002 diode
1 5A Relay, SPDT type
Wires
Soldering lead
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