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Modbus-RTU-Relay-32CH
Industrial-Grade Modbus RTU 32-Ch Relay Module RS485 Interface Multiple Isolation Protection Circuit
PI-PSU-5V3A-USB-C-US-(black)
Raspberry Pi 4 Official USB C Power, US, Black
ESP32-S3-Touch-LCD-2.8-E
ESP32 S3 N8R8 And ST7789 2.8inch LCD Kit Captive TouchScreen Display 240x320
Pi-RTC-DS1307
Raspberry Pi RTC module DS1307