Flash ROM

1. TWRP booted click on “Wipe
2. Click on “Format Data
   Type “yes” and confirm format action
3. Once format data is done click on the “Back” button.
4. Now click on “Advanced Wipe
5. Check - Dalvic / ART Cache , System , Cache
6. Swipe to confirm wipe action
7. Once wipe is done, TWRPs main screen. Click on the “Reboot” button
8. Click on “Recovery”, after that Swipe to reboot
9. Done! Wait until your device rebooted into recovery, now you can flash rom.
10. click install
11. find rom to install .( flash )
12. click add more files .
13. find gapps file add it .
14. now swipe to flash.
15. once flash is done , click Wipe cache/Dalvik .
16. click reboot .
17. all done

https://wiki.lineageos.org/devices/espresso3g/build

Samsung Galaxy Tab 30 Pin Dock Connector Pinout

Galaxy Tab 2 (10.1, 3G)

https://forum.xda-developers.com/galaxy-tab-2

Custom Rom Development by Android-Andi

https://github.com/LineageOS/android_device_samsung_espressowifi

Build for espresso3g

Setup to compile espresso kernel

TWRP for Samsung Galaxy Tab 2 (GSM - unified)

Battery Monitor

https://forum.xda-developers.com/galaxy-tab-2/galaxy-tab-2-unified/kernel-anykernel-t3484739

https://github.com/ge0rg/samsung-nx-hacks/issues/7

Galaxy Tab Serial Cable

Other sources

OMAP Android Main
[set up UART]
]set up UART
Drivers
Building Android
Android Pre-built Binaries Guide
Android Installing Busybox Command Line Tools
Android Recovery
Adb over USB
Source Trees

https://forum.xda-developers.com/wiki/BN_Nook_Tablet