Raspberry Pi 4 based gateway with RS-232/485 and RTC sells for $90 plus the Pi

Advantech has launched a compact, IP40-protected “Uno-220” IoT gateway enclosure and HAT designed for a BYO Raspberry Pi 4. The HAT provides a RS-232/485 port, an RTC with battery, and 4x additional GPIOs. Advantech has launched what appears to be its first Raspberry Pi based embedded system. The $90, 100 x 70 x 33mm Uno-220 […]

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