![]() Need to measure water quality and other parameters but haven’t got any low cost pH meter? Find it difficult to use with Arduino? Our analog pH meter, specially designed for Arduino controllers and has convenient and practical connector and a bunch of features. In order to have a message sent once a second. The delay() function is used in this example just to achieve the timing requirement for this LAB. Send a “Hello World!” message once a second ESP32 Hello World Code Example. ![]()
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