2 x 230V to 3.3V transfo in series is 6,6V
It is best to keep the input voltage to around 6 or 7 Volts to avoid losing too much power as heat on the voltage regulator.
[ Ссылка ]
Ещё видео!
2 x 230V to 3.3V transfo in series is 6,6V
It is best to keep the input voltage to around 6 or 7 Volts to avoid losing too much power as heat on the voltage regulator.
[ Ссылка ]