Uploaded August 2019 | Updated September 2026, 1 week ago

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How to get the first element of an array that meets a given criteria, using cpplinq and the first operator.

The tests shown on the video were done on the ESP32, but the library also works on the ESP8266.


ESP32 FireBeetle board:
dfrobot.com/product-1590.html

ESP8266 FireBeetle board:
dfrobot.com/product-1634.html


Written tutorial with installation instructions for cpplinq and a code sample:
techtutorialsx.com/2019/04/12/esp32-arduino-getting-started-with-the-cpplinq-library

C++ Lambda syntax:
en.cppreference.com/w/cpp/language/lambda

Related Written tutorials:
- Count operator: techtutorialsx.com/2019/04/17/esp32-arduino-cpplinq-the-count-operator
- Concatenating arrays: techtutorialsx.com/2019/04/20/esp32-cpplinq-concatenating-arrays
- The average operator: techtutorialsx.com/2019/04/25/esp32-arduino-cpplinq-the-average-operator

A lot of ESP32 written tutorials (more than 250!):
- techtutorialsx.com/category/esp32

ESP8266 tutorials:
- techtutorialsx.com/category/esp8266