YARD Stick One - Sub-1 GHz Wireless Test Tool [Discontinued] _MAKE_SENSOR_LINE by the way

by the way

good enough for everyday use

and you cannot power it externally so it's good for higher-voltage projects not for microcontrollers

You can also trigger outputs like LEDs

8 Green LEDs

YARD Stick One - Sub-1 GHz Wireless Test Tool [Discontinued] _MAKE_SENSOR_LINE by the wayYARD Stick One (Yet Another Radio Dongle) from Great Scott Gadgets can transmit or receive digital wireless signals at frequencies below 1 GHz. It uses the same radio circuit as the popular IM Me. The radio functions that are possible by customizing IM Me firmware are now at your fingertips when you attach YARD Stick One to a computer via USB. Great for listening on RF emitters and transmitting on ISM bands (check your country's ISM frequencies before