ScioSense ENS21x Arduino Library Arduino library for the ENS21x temperature & humidity sensor family with I2C interface from ScioSense. The ENS21x is a family of high-performance digital temperature ...

On the software side capacitive touch sensors can be as simple as using an Arduino library for the purpose but [John] rolled his own code, so give it a peek.

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Discover the ESP32 Cheap Yellow Display Board: low-cost, Wi-Fi + Bluetooth, 2.8″ touchscreen, ideal for IoT, GUI projects, and learning.