ESP32 DOIT versus ESP32 Huzzah from Adafruit PINOUT.

[iongheorghe]

I developed device with ESP32 DOIT.
I want to change and move it to ESP32 HUZZAH32.
The reason is that Adafruit product works from battery and has a battery charger on the module.
I read the whole Adafruit data sheet but i am confused about the pins i can use without any conflict.
On the DOIT i had, first a membrane keypad.
4 Outputs for horizontal lines with the following GPIO:
KH1-26
KH2-19
KH3-18
KH4-23
3 Inputs for vertical line. Each line is pulled up by 1K resistor:
KV1-35
KV2-33
KV3-34

2 Leds Outputs:
Red-21
Green-22

1 Output = Enable control line for your Adafruit MiniBoost 5V @ 1A - TPS61023:
Pwr_On-5

1 Input from and RFID Reader (TX-line of the reader)
RFID_In-25

Can somebody help me to select the proper pins on the ESP32 Huzzah32 from Adafruit.
Attached is the datasheet of Adafruit module. I do not do complicated functions with I/O. Just digital inputs or outputs.
Please help, because on Adafruit forum nobody is interested to help, and support from Adafruit, said they do not help, just to go to forum.
A vicious circle.
Thank you very much.