Print error into the serial output in case BLYNK_TEMPLATE_ID doesn't start with "TMPL"

blynkkk / blynk-library

Blynk library for IoT boards. Works with Arduino, ESP32, ESP8266, Raspberry Pi, Particle, ARM Mbed, etc.

https://blynk.io

MIT License

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Print error into the serial output in case BLYNK_TEMPLATE_ID doesn't start with "TMPL" #568

Closed doom369 closed 1 year ago

doom369 commented 2 years ago

Blynk TempalteId currently always starts with TMPL string. We also see that users sometimes misplace or put the wrong BLYNK_TEMPLATE_ID define statement. Adding this check will allow to notify the user about the error on early stages.