Introduction: Jug Led Level Meter
This is a simple water level meter consists from :
8 LED
8 BC337 transistors.
8 3k3 ohm resistor.
8 220 ohm resistor.
Hard disk bus cable as a sensor (See the pictures).
1 jug
2*1.5 volt .
Battery holder.
8 LED
8 BC337 transistors.
8 3k3 ohm resistor.
8 220 ohm resistor.
Hard disk bus cable as a sensor (See the pictures).
1 jug
2*1.5 volt .
Battery holder.
