Hello,
by using a 3,7V Battery, is there still a 5V Power Supply on the Board? I need it for a Relais, which are always working with 5V.
Thanks for Help!
Hello,
by using a 3,7V Battery, is there still a 5V Power Supply on the Board? I need it for a Relais, which are always working with 5V.
Thanks for Help!
There is an ETA1038
boost converter on the expansion board … see the schematic
expansiong board schematic
You will need to verify the current available for your particular use.