In this post, we are going to upload data on thingspeak using sim900 module.
Things required:
- SIM 900 module
- USB-TTL converter
- Terminal software
- Account on thingspeak
- 12 volt adapter for powering gsm module
First of all, make connections as follows:
GSM USB-TTL
RX ==============> TX
TX ==============> RX
GND ==============> GND