OLIMEX ES32-POE - Page 2

Table of Contents
1. Introduction to ESP32-POE and ESP32-POE-ISO....................................................................................3
1.1. ESP32-POE features..........................................................................................................................4
1.2. ESP32-POE-ISO features...................................................................................................................5
1.3. PoE standard.......................................................................................................................................6
1.4. The difference between ESP32-POE and ESP32-POE-ISO:.............................................................6
1.5. The differences between different versions of ESP32-POE and ESP32-POE-ISO:..........................6
1.6. Order codes for ESP32-POE and accessories:...................................................................................7
1.7. Order codes for ESP32-POE-ISO and accessories:...........................................................................7
2. HARDWARE.............................................................................................................................................8
2.1. ESP32-POE layout:............................................................................................................................8
2.2. ESP32-POE GPIOs:...........................................................................................................................9
2.3. ESP32-POE-ISO GPIOs:.................................................................................................................11
2.4. ESP32-POE(-ISO) schematics.........................................................................................................13
2.5. ESP32-POE(-ISO) power supply.....................................................................................................14
2.5.1. External power sense feature....................................................................................................15
2.5.2. Battery measurement feature....................................................................................................15
2.6. UEXT connector:.............................................................................................................................16
2.7. LED description...............................................................................................................................17
3. SOFTWARE:...........................................................................................................................................18
3.1. Olimex-made software.....................................................................................................................18
4. Frequently asked questions:.....................................................................................................................19
5. Useful links..............................................................................................................................................21
2