Skip to content
Takahiro Kaihara edited this page Nov 5, 2020 · 17 revisions

Welcome to the kwp71scan wiki!

circuit diagram

Overview image

kwp71scan circuit diagram
image

Parts

1 x Arduino Nano Every / Arduino Nano / Arduino UNO
1 x L9637D (driver with ISO 9141 interface)
1 x 16x2 LCD HD44780 or compatible with I2C LCD adapter
2 x 2N3940 transistor
1 x 1N4148 diode
2 x 4.7μF ceramic capacitor
2 x 100nF ceramic capacitor
2 x 1K Ohm resistor
2 x 510 Ohm resistor
1 x 470 Ohm resistor (Optional)
1 x LED (Optional)