Do you know if we can actually make your own backup power source or power bank of batteries that can be recharged. We just need some electronic components such as IC regulator, electrolytic capacitors and an LED as an indicator. The way it works is, we use a 9 volt battery while the gadget requires power at 5 volts. Here we use a 7805 voltage regulator IC that converts voltages above 6-18 volts to 5 volts.
- Homemade Power Bank And Its Circuit Diagram Using 7805
- Part List Of Power Bank Circuit Diagram
- C1 470 uF
- C2 100 uF
- R1 220 ohms
- LED General LED bulb as indicator
- IC LM 7805
- Switch General SPDT Switch
- Battery Rechargeable 6-9V battery
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