RF Handpad

	The basic handpad.
	The wireless handpad (RF). White buttons are for N, S, E and W corrections. Reds are for the focus. Center blue button is to set correction speed (toggle). The other two blue buttons are configured in Bartels’ software (L&R).
	Inside view of the transmitter. The transmission module transfers buttons state at the rate of 45 times per second.
	Inside view of the receiver.
	Receiver installed on the telescope.