Solderless DIY Multiple Hobby Project Kit Using 555 Timer & OP-Amp
Solderless DIY Multiple Hobby Project Board build around 555 Timer & OP-Amp, Bord provided with Male header connectors for easy solder less connections using Female Header wire jumpers. On board diode for reverse supply connections , Slide switch for ON/OFF
Supply : 9V DC PP3 Battery
Inputs : Magnetic Filed Sensor, LDR Light Sensor. NTC Temperature Sensor, Tilt Mercury Switch, Variable Resistor POT, Two Tactile Switch
Outputs : Speaker, Buzzer, White LED, Red LED

solder-less-diy-multiple-hobby-project-kit-using-555-timer-op-amp Circuit

solder-less-diy-multiple-hobby-project-kit-using-555-timer-op-amp PCB
Possible Projects
- Adjustable Timer with alarm
- Adjustable Timer LED
- Fix Timer Alarm
- Fix Timer LED
- RED LED Flasher
- White LED Flasher
- Warning Alarm
- Metronome
- Light Sensitive To LED Flasher
- Light Sensitive Audio Sound Effects
- Bird Sound
- Tilt Alarm
- Tilt LED
- Adjustable Audio Frequency
- Adjustable LED Flasher
- LED Intensity Controller
- DC Motor Speed Controller
- Temperature Sensitive Alarm
- Temperature Sensitive LED
- Magnetic Filed to Audio Sound Effects
- Magnetic Field To LED Flasher
- LED ON/OFF with Tactile Switch
- Red & White LED Flasher