Hi!
In this instructable, you will learn how to make a DC to DC voltage Step-Up booster circuit.
Input= 3.5 v and Output= 9.20 v
Items Needed:
- 2 power transistors CTC 1351
- 2 resistors 1 kilo ohm
- 1 transformer 1 : 1
- 1 Single phase bridge rectifier
- 1 battery cell 3.7v
- 1 multi-meter
- 1 universal board”

Link