ESP32 Starter Kit
4. Test Result
After connecting the wiring and uploading code, the noise level view is displayed on dot matrix, as shown below.
9.2.26 Project 23: Smart Cup
1. Description
In this project, we mainly adopt the Arduino development board to create a programmable smart cup, which reveals the
temperature of inner liquid through a RGB indicator. It can control the brightness of the light by setting a temperature
threshold. If the threshold is exceeded, it will get brighter. Otherwise, it gets darker.
The smart cup enables to help users better control the temperature of their drinking water and effectively prevent
overheating or freezing.
9.2. Scratch Project 291
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