SIM900A TTL Modem- Interfacing with PC

Introducing new TTL Modem with Dual band frequency of operation, SIM900A is a budget modem to fit applications requiring SMS/GPRS communication. The small form factor of our new SIM900A modem is suitable to fit it into small casing or space. It is also equipped with MIC29XX based high efficient low dropout regulator to enable the…

FLASHING NODEMCU FIRMWARE IN ESP-12 MODULE

This post is intended to help beginners flash NodeMCU firmware in ESP Modules and thus try lua coding In ESP modules. The steps were tested with ESP-12 based NodeMCU development kit. But the steps are similar for almost all ESP modules available in the market. No microcontrollers are required to control your ESP. Why use…