2-Channel Isolated RS232 Expansion HAT for Raspberry Pi _arduino Removing or installing the DAC

Removing or installing the DAC or Amp boards is quick and simple

but also an accelerometer and micro SD card slot

and you can stop sending data until you want to update the display

The Adafruit Circuit Playground Classic is an all-in-one learning board with built-in sensors

2-Channel Isolated RS232 Expansion HAT for Raspberry Pi _arduino Removing or installing the DACThis is a 2 channel isolated RS232 expansion HAT designed for the Raspberry Pi, adopting the SC16IS752+SP3232 solution, with embedded protection circuits including power supply isolation, ADI magnetical isolation and TVS diode. It's easy to control the 2 channel RS232 via SPI interface. Due to its fast communication, stability, reliability, and safety, it's an ideal choice for uses such as industrial automation. Note: Cables not included Features