原创 找到了不错的电路原理图参考电路，分享一下
- 12V battery level indicator for car batteries
- 12V to 9V car coverter
- 20 Segment Expanded Scale Voltmeter including a PCB design
- 3 Channel, 12 Volt Color Organ for a car
- 3rd brake light
- 5301 wideband fuel mixture display
- 80188XL Engine Tachometer / Race Computer
- Adaptive Windscreen Wiper Control
- Authentic Looking Knight Rider Led Project
- Automatic Headlight Brightness Switch
- Automatic headlight brightness switch
- BMW R Series Motorcycle Regulator Schematic
- Brakelight Flasher
- Car acceleration meter
- Car Alarm Arming Horn Beep Canceller
- Car backup / reversing alarm
- Car Battery Charger
- Car battery charger
- Car battery charger circuit
- Car Battery Charger, an SCR Design with a 10 Amp rating
- Car battery voltage tester using LM3914
- Car burglar alarm circuit
- Car Door Keypad Using LIN network
- Car Nicad charger
- Car OBD II J1850 PWM, J1850 VPW, ISO-9141 cables schematic pinout
- Car OBDII diagnostic interface cable schematic pinout
- Car power supply unit for digital projects, small car PCs etc
- Car Timer with Atmel ATiny45 to automatically turn of accessories to prevent flat battery
- Combination lock for car liftgate
- Common Ground for Older VPW OBD Circuit
- Custom USB tyre pressure monitoring system
- Digital speedometer for cars with 7-segment display of speed
- Economy radar detector
- Electronic car ignition circuit
- Engine control unit schematics
- FCD (Fuel Cut Defencer)
- Flashing / pulsing third brake like for cars
- Flashing light / emergency beacon for vehicle
- Fuel injector pulse width monitor
- Grand Cherokee Off-Highway Lights
- Headlight flasher
- Headlight guard
- Headlight reminder
- Headlight timer
- Hijack alarm
- Interface between GM's 5 Volt 8192 baud ALDL data stream and a PC serial port
- Interior light extender
- KITT (from Knight Rider) Car scanner using incandescant lamps
- Large capacitor charge "controllers" (Car Audio)
- Low battery cut-off circuit for a car or truck
- Motorctcle turning signal system
- Motorcycle battery charger
- Motorcycle brake light flasher
- Motorcycle low battery voltage warning circuit
- Network car controller provides functions for remote door locks, headlight reminder, and car finder
- Opendiag OBD-II Schematics & PCB Layout Opendiag OBD-II Schematics & PCB Layout
- Parking aid senses distance to rear of vehicle
- Portable CD Player Adapter For Car
- Portable CD Player Adapter For Car
- Pseudo car alarm system
- Seatbelt reminder circuit
- Simple car battery charger
- Simple car battery voltage monitor
- Simple Car Preamplifier and Artificial Earth
- Simple Vehicle Loop Detector (inductive loop for driveway etc)
- Speed alert - wireless portable unit
- Synchronized multi-spark module (SMSM) for Electronic Ignition Devices (EID)
- Third brake light pulser circuit
- Two LED trouble light system
- Ultrasonic parking sonar electronic circuit diagram using transistors and 4000 series CMOS
- Vehicle Telemetry Platform based on an Arduino
- Volvo 164 electric fan thermostat
- Wide Band Fuel Mixture Display
- Wiper Speed Control
- Wireless Auto Tachometer
- Wireless Auto Tachometer
完整列表LINK:
http://kitarm.com/news/327-electronic-circuits-or-diagram.html
以上仅供学习参考。
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