power

USB wall charger

Plain 5 V USB wall charger used to power a dev board where it's placed, away from the computer.

Specifications

Output

5 V USB

Projects Using USB wall charger1

Wi-Fi Sensing Kit: three ESP32-S3 boards that tell what you're doing from Wi-Fi

Illustration

ESP32ESP32-S3

Wi-Fi Sensing Kit: three ESP32-S3 boards that tell what you're doing from Wi-Fi

Three ESP32-S3 boards learn to recognise sitting, walking, squatting and more from Wi-Fi signals alone, with your webcam as the teacher.

Intermediate·Code

3 parts listed

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