Bus Servo

ST3215 Servo https://www.waveshare.com/wiki/ST3215_Servo

https://www.waveshare.com/bus-servo-adapter-a.htm
https://www.waveshare.com/wiki/Bus_Servo_Adapter_(A)

ROBOTIS’s DYNAMIXEL Protocol https://emanual.robotis.com/docs/en/dxl/protocol1/
https://emanual.robotis.com/docs/en/software/dynamixel/dynamixel_wizard2/#dynamixel-control-table

Futaba RC Video Update: S.bus (Serial Bus) RC Receiver & Servo System Youtube
The introduction of bus servo PC software Youtube
Bus servo controller introduction(making robot) Youtube
The introduction of bus servo (making robots) Youtube

What is the UART communication protocol

Uart Full Duplex vs Half Duplex

UART single-wire half-duplex level conversion

STM32 UART #6 || Communicate using Single Wire || Half Duplex Mode

https://community.st.com/t5/stm32-mcus-products/1-wire-timing-using-uart-different-from-expected-on-stm32-476rg/td-p/74213