Hi, I'm developing a mobile IoT solution. It's a temperature sensor for trucks. I am currently using the SIM800L. I chose it because it has a very attractive price. But I have 2 problems with this module. first problem: it uses 2g network and this network will be discontinued in 4 years. second prob...

Hello, I have a small challenge: I always used esp8266. Now I need to connect an esp32 to a temperature and humidity (BLE) sensor. I'm going to send a picture of him here. I used Scan example and it worked, found the equipment! But, I am not able to connect to the BLE beacon to receive the temperatu...

Hello, how did you solve your problem?
I have a esp 32 and need to connect a ble temperature and humidity sensor. I have the same problems. I can not connect. Can you help me?

Some of you have a MCU node and 15 minutes to do a test for me? I'm helping a colleague upgrade the UPnP library to port forward automatically to the router that has the function enabled. I tested the 2 routers I have, but it needs more testing on other routers to try to find a bug. The more people ...

Hello everyone! Some time ago I've been looking for a solution to connect to my remote devices installed on clients. It is inconvenient to ask them to do port redirection. This has bothered me a lot. I need something simpler and more practical. Then I read about UPnP. I researched and found a librar...