Save Your Electricity Using This method 😱🤯 when filling your water tank

Circuit Diagram

Scroll down to the bottom of this page for the component list 👇👇

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Component list

• R1-R10 : 100 Ohms resistor
• R12,R11 : 1K resistor
• Q1-Q5 : BC547 transistor
• U2 : ATtiny85 microcontroller
• LED1 : 20%
• LED5 : 100%
• U5 : L298D
• U4 : LM7805
• R13,R14 : 10K
• VCC : 12V

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