Application Notes

AN-10 API Interface – simple API interface details for configuring and controlling the OPS241 and OPS242.

AN-11 Cosine Error – explains the cosine error related to the reported speed.

AN-12 Android Phone Radar Gun – how to enable an Android phone radar speed gun to read data from an OPS241 and OPS242 with downloadable app.

AN-13 Code Update – describes procedures for updating OPS241 and OPS242 with new code versions.

AN-14 UART Interface and Arduino Support – new UART interface described along with how to interface OPS241 to Arduino.

AN-15 Simple Motion Detection Interrupt – new interrupt pin triggers when motion detection detected meeting speed, direction, and magnitude filter settings.


Software Support

Github Projects – Download projects to connect OPS241 and OPS242 to Raspberry Pi, display data on an LCD, or connect to an Android phone.

USB Driver – Typically the USB driver in Windows, Mac, and Linux computers will automatically connect to the OPS241 and OPS242 radar sensors.  If they do not, this driver may be installed on your computer to make a connection.


Firmware Releases

Contact Customer Service to request the code files.

v1.3.1 – adds simple motion detect interrupt.

v1.3.0 – adds UART interface support.

v1.2.1 – latest release with FCC settings for OPS242.

v1.2.0 – support for OPS242, magnitude reporting, number of reports control, 256 buffer size support, and speed filtering.

v1.1.1 – new frequency setting, faster lock time.