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Raspberry pi 3 Model B aluminum case, with Fan Heatsink
CM4-DUAL-CAMERA-BASE
Raspberry Pi Compute Module 4 CM4 Binocular Camera Base Board Designed Optional Interface Expander
TTL-TO-RS485-(B)
Industrial Rail Mount TTL To RS485 Serial Converter Electrical isolation Converter
Pi-GPIO
Raspberry Pi IO Board GPIO interface expansion board stacks up to 3 HATs at once
RS232-TO-TTL-MODULE
RS232 to TTL to UART serial port module/DB9 male and female head/screw nut/bidirectional conversion