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BiDirectional Voltage Level Convertor 5V-3.3V 2ch.

5V to 3.3V AMS1117 Regulator Module

• Input voltage: For DC 4.2 V-10 V

• Output: 3.3 V, 800 mA

• Size:8.6mm x 12.33mm

5V to 3.3V AMS1117-3V3 Regulator Module

• Input voltage: DC 4.2 - 10 V

• Output: 3.3 V, 800 mA nominal, 950mA Peak

• Size:8.6mm x 12.33mm

My own design.   rev 1.0

NDP6020 P Channel 20V 24A mosFET
TO-220 package
P-Channel enhancement mode mosFET
Low On-Resistance 60mΩ typical

5V to 3.3V AMS1117-3V3 Regulator Module

• Input voltage: For DC 4.2 V-10 V

• Output: 3.3 V, 800 mA

• Size:8.6mm x 12.33mm

5V to 3.3V AMS1117-3V3 Regulator Module

• Input voltage: DC 4.2 - 10 V

• Output: 3.3 V, 800 mA nominal, 950mA Peak

• Size:8.6mm x 12.33mm

These modules have a PCB layout error...
I made the false assumption that the tab was ground...
It is OutPut - you could drill in under the ground pin to cut
the connection...  or...  just desolder and lift it..

Regulators and caps should be good but I assume the regulator
would need to be unsoldered.