Hi this is an index of projects without using micro-controller
- 10W Mini audio Amplifier
- 12V DC from USB
- Automatic Battery Charger
- Automatic Night Light
- Battery Tester
- Cell Phone detection
- Dancing Lights
- Digital Dice
- Electronic Dog Repellent
- Gas Leak Detector
- Laser Door Alarm
- LED Flashing
- Lie Detector
- Long Range FM Transmitter
- Mobile Bug
- Mobile Phone Travel charger
- Plant Watering and Monitoring
- Portable 5v Supply
- Power Supply (5V- 25V)
- Sensitive Clap Switch
- Simple Proximity Detector
- Simple Siren/Alarm using op-amp
- Solar Charger
- Solar Inverter Battery Charger
- Solar Power Inverter
- Telephone Ringtone Generator
- Temperature Controlled LED
- Thermostat Using LM56
- Tremolo Effect Circuit
- USB Lamp
- USB Sound Card
- Zero Degree Celsius Alarm