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Schematic

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3D View

Alternatively, you can use my design here: https://www.flux.ai/markwuflux/buck-b...
M

markwuflux

Alternatively, you can use my design here: /markwuflux/buck-boost-3p3v-500ma-physical-module
2y
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2
TODO: place pullup resistors on I2C Bus
M

markwuflux

TODO: place pullup resistors on I2C Bus
2y
Someone is typing...
4
U1
D2
MPPT1
R1
Resistance
4.7kΩ
C1
Capacitance
0.1uF
R2
Resistance
4.7kΩ
J4
I2CSENS1
J3
Battery BoM
Line 1
AAA Battery Holder is used here for a 3.7V 14440 Li-Ion battery
Line 2
-----------------------------------------
Line 3
https://a.co/d/3k2xtp1
C2
Capacitance
1uF
LDO1
S1

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