I am trying to make a WiFi RFID reader using NodeMCU, MFRC522 and MS SQL Server I used arduino examples along with this tutorial: Arduino Project Hub and I modified the code to suit my need (only sending ID) and I also added wifi connection instead of ethernet This is my arduino code: #include <E…

'client' was not declared in this scope. Please help!

Topic		Replies	Views
Sending data from arduino to mysql database using ethernet shield v1 Networking, Protocols, and Devices	3	6096	May 6, 2021
DS18B20->PHP-> MySQL / what is wrong with my code? Syntax & Programs	10	5966	May 6, 2021
Sending Data from Nodemcu to a Website database Networking, Protocols, and Devices	2	3426	May 6, 2021
Interface Arduino with RFID and MySQL (via PHP) Syntax & Programs	14	25811	May 6, 2021
Server Client als Kombination nutzen Deutsch	12	3539	May 6, 2021