5V to 3.3V step down

141

01:50:19

Left-top switch should be open before start (EC does not work else).
You can use resistor or zener diode as reference voltage source  (in real life I used some 3.3V Zener diode), but resistor will not be so good in case of not stabilized voltage source.
I also checked it in real life, works fine.

published 11 years ago

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