Connecting to Blynk issues via SIM800C with ESP32 and Uno

[PeteKnight]

Variant 5 used Vodafone, but they also seem problematic…

Vodacom South Africa 3G data connection, is blocking/dropping Blynk-cloud

After the device (NodeMCU) connects to wifi, obtains a local IP address (from the Smartphone tethered wifi DHCP), connects to the mobile ISP DNS and obtains the blynk-cloud IP address, attempts to connect to blynk-cloud and sends my Auth Token, the blynk client reports time-out, and never gets the “>[00|00|01|00|C8]” messages from Blynk-cloud. Background: I purchased a low-cost cellphone (MobiWire Sakari) which I want to use as my IOT device’s internet connection to Blynk-Cloud (instead of say…

Pete.