elac:
Ok, 2 diodes in series?
Doesn't work very well because the current drawn by the module chip varies too much. eg. When it's idle the voltage goes up to 5V with that method.
SD cards and WTV020 chips are only safe up to 3.6V.
elac:
Ok, 2 diodes in series?
Doesn't work very well because the current drawn by the module chip varies too much. eg. When it's idle the voltage goes up to 5V with that method.
SD cards and WTV020 chips are only safe up to 3.6V.