Hello Forum I am currently working on a project where I have to send out a SMS when a specific RFID tag is scanned. I have my ID-20LA and my SIM900 shield hooked up to my Arduino Uno, and both of them working fine on their own. Both the RFID reader and the GSM shield communicates with my Uno via th…

How to: get ID-20LA RFID and SIM900 to communicate with UNO (software serials)

JohannesTN April 30, 2014, 2:37pm 3

Topic		Replies	Views
Multiple shields - SoftwareSerial Programming	3	780	May 5, 2021
Sending SMS using GSM SIM900 General Guidance	3	5143	May 5, 2021
sending msg by sim908 Programming	9	1031	May 5, 2021
Arduino GSM Shield QUECTEL M10 + Sparkfun RFID Eval with RFID Mod SM130 Mifare General Guidance	2	952	May 5, 2021
Two RFID (RDM6300) Readers on One Arduino Uno Programming	4	4379	May 5, 2021