Pin/2SPI/1I2C/RS232 Promo!!! GPIO UART Raspberry Pi 3B/2B/B

Promo!!! GPIO UART Raspberry Pi 3B/2B/B Expansion Board Module + 40 Pin/2SPI/1I2C/RS232 Features:Made of Environmentally friendly materials material, durableExquisite workmanship.Mini size, easy to carry.Precision continuous self-calibrating analog/digital.Greatly reduces current consumption during idle periods.Typical applications include portable instrumentation industrial process control and small transmitters. Specifications:Material: Electronic componentColor: blueSIZE: 30*55mmPackage Included: 1 x Expansion Board ModuleNote:1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2.Due to the manual measurement and different measurement methods, please allow 1-582cm deviation. Thanks!