IoT Wireless Ultrasound Sensor
2 Channel Industrial IoT Long-Range Wireless Ultrasound Vibration Sensor Make sure the PC has usb-serial driver https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers?tab=downloads
PR55-61US -- Single Channel Devcie Type 88
PR55-61U -- Dual Channel Devcie Type 89
To update the firmware, you will need a
USB to Serial Converter(PR55-68 or any USB to serial) Windows PC Board name PR55-72 Note: if the file name has any special char, please remove it
How to put in program mode
start the programming utility
select the correct COM port
select the updated file
click update and immediately
Press and release the RST button
Once the firmware update is finished, device will reboot