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Pinout of EXP1 and EXP2 headers (CM-Panel POE)
On the bottom side of CM-Panel POE are available two sets of 16x2 pin strips pitch 2.54mm
where are available GPIOs, I2C buses, etc. This article explains how to use it.
![](www/pinout_cmpanel-poe/./headers.jpg)
The number written near each pin on the silk screen indicates the GPIO number.
On each pin group are available the power supply lines (+5 volt, +3.3 volt and GND)
and a set of GPIOs and control signals.
![](www/pinout_cmpanel-poe/./EXP1.png)
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