john marin

READ and writing text on NFC cards

Wifi Thermal Printer Emulator

Upload File To PHP Server

Android useful tool to explore files SQLite databases available phone memory

Useful and Practical Tools for Android to measure sound in decibels

Useful Tool for phone utillizar cone gauge G. Force Gravity or where gravity on the surface of the E

Useful Tool in android to send data using bluetooth serial port profile

ESC/POS Multiple languages Printer Bluetooth

ESC/POS Printer Bluetooth Demo

Useful Tool in Android to establish a Bluetooth Serial Communication