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Welcome to the Arduino_S.BUS wiki!

This Arduino sketch which may be useful if you are into radio controlled models and need to use all 16 channels from your Radio equipment - even though you only have a 4 channel receiver such as the XR4.

This S.BUS enable servos to be connected on a single bus; hence reducing the number of cables in a radio controlled model.

This Arduino sketch which can be used to trigger 16 channels enables a connection to a S.BUS interface on a Frysky receiver module, such as the X4R / X8R.

So, if you are using a Taranis transmitter with many switches, slider or you've connected an additional multi-position pot to the transmitter - you can assign each switch / switch - position to a separate channel.

How is this possible?

The Arduino sketch interprets the S.BUS interface on the Frysky receivers (such as the X4R / X8R) which is transmitting 25 bytes of data at 100000 baud; Even parity; 2-Stop bits. These bytes determine the positions of the transmitted 16 channels - even though it may only be a 4 channel receiver.

So you can assign a switch, for example, to turn on LED's (headlights), sensors, Buzzers and even low cost PWM servos.

ROBOTmaker has developed a 360 degree Infra red proximity sensor (IRCF360) which they are testing a connection to a quadcopter flight controller for support or autonomous flights - such as hovering a determined distance off the ground (determined for example by position of the TX slider) or avoiding hitting walls and other obstacle. Even for autonomous racing of micro quad through a maze.

You can follow this project on our website ROBOTmaker

contact [email protected] for any questions.