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CAN-Bus HAT for Raspberry Pi 4 offers RTC and wide-range power
Copperhill’s third-gen, $65 “PiCAN3” HAT features Raspberry Pi 4 support and a SocketCAN-ready CAN-Bus 2.0B port. The HAT has an RTC and is powered by a 3A, 6-20V Switch Mode Power Supply that can …