Thursday, July 16, 2020
How To Make 13003 Transistor Amplifier At Home Easy
Parts & Materials:
D13003B- Transistor
220Ω- Resistor
3.5mm Audio Jack
3.7v Battery
5w speaker
Circuit Diagram :
Monday, July 13, 2020
Sunday, July 12, 2020
DIY Automatic Alcohol Dispenser ($3 No Arduino Needed)
Parts & Materials:
- Proximity Sensor ($0.6 - https://bit.ly/3ape7I2 )
- DC Water Pump ($1.8 - https://bit.ly/3ayT5qJ or $3 - https://bit.ly/3aouip4)
- Realy Module ($1.0 - )
- Aquarium Tubing
- Old Glass Jar
- Old Ballpen
- Sanitizer/ Rubbing Alcohol
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Circuit Diagram :
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