Auto electronics

Electronic circuits, devices for car

1. Speed-limit Alert
2. Park-Aid
3. Simple but reliable car battery tester
4. Automotive 12V to +-20V converter (for audio amplifier)
5. Automatic Headlight Brightness Switch
6. Dome Lamp Dimmer
7. Headlight Flasher
8. Car Voltage Gauge
9. Car Temperature Gauge

Battery Chargers

1. Car Battery Charge

Electronic car ignition

1. Electronic car ignition
2. Automotive Speed Indicator

Alarm

1. Motorcycle Alarm
2. Motorcycle Alarm Number 2
3. Motorcycle Alarm Number 3
4. Motorcycle Alarm Number 4
5. Motorcycle Alarm Number 5&6
6. Car Alarm and Immobilizer
7. HiJack Alarm
8. Auto Burglar Alarm