Suggest used ESP-IDF framework to improve efficiency and stabilized.
If using Arduino Framework, disconnect the UART cable might cause API error(disconnect).
✅ LD1115H UART/GPIO output, UART with sensitivity adjustable >Link
✅ LD1125H UART output, UART with sensitivity adjustable >Link
❎ LD2410 UART/GPIO output, UART with sensitivity adjustable
✅ LD112 GPIO output without adjustable >Link
✅ LD017 IIC/GPIO output, IIC/GPIO for sensitivity adjustable >Link
❎ LD016 GPIO output, UART for sensitivity adjustable
✅ LD012 GPIO output with sensitivity adjustable pins >Link
CEM5825F = LD1125H
CEM5855H = LD1115H
Code at each Radar Folder
Note: Don't use 5V on LD017 and LD012
ESPHOME:
https://esphome.io/cookbook/uart_text_sensor.html
https://esphome.io/custom/uart.html
https://esphome.io/components/uart.html
https://esphome.io/components/sensor/custom.html