Raspberry Pi GPIO UART Expansion Board

The design is based on the old Raspberry Pi B Serial Expansion Board. The electronics are updated and several functions are added. Dimensions of the expansion unit: 65 mm x 56.5 mm, standard dimensions of an Raspberry Pi HAT expansion unit
GPIO function expansion:

  • 16 independent GPIO interfaces each with power supply and earthing (3V3 level)
  • 2 independent SPI interfaces
  • I2C interface
  • Standard RS232 interface
  • Infra-red Reciever

Features a RS232 interface is for connection to PC, and other devices. The Raspberry Pi serial interface with TTL-Levels is offered, and does not support the connection with PC directly. Also includes an onboard power supply regulator.

Raspberry Pi GPIO UART Expansion Board , with 2 x SPI, 1 x I2C, & RS232, is readily available on eBay for around $10.00.

Short URL: http://tinyurl.com/y9fq4qte
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