
192 Make: Robotic Arms
ESP32S3
Another very popular MCU is what’s commonly
referred to as the ESP32 (Figure
10-5
). At the time of
writing, the most popular variation is the ESP32-S3.
One of the ESP32’s most impressive features is
its built-in WiFi and Bluetooth capabilities: It can
communicate wirelessly with dozens of devices
without requiring any extra hardware. It’s also
equipped with plenty of pins and can be programmed
using the same software as the Arduino family of
boards. In fact, one of the most recent Arduino Uno
boards, the R4 WiFi, has an ESP32 built into its circuit
board.
Not only does the ESP32 have built-in wireless
communication ...