User Manual

First, insert "Holyiot-21017" into the computer through the USB port. After the
computer recognizes the USB device normally, reset the "Holyiot-21017"
hardware by approaching the magnet. If the reset is successful, the red indicator
light of "Holyiot-21017" will be the breathing effect. After the reset is successful,
the magnet needs to be moved a little farther (>0.3m) to avoid continuous
resetting.
Place the magnet close to "Holyiot-21017" to reset it
The reset is successful, remove the magnet and the red light is on
Then open "Programmer" for firmware upgrade interface:
Open the "Programmer"
Then select the USB device that can be upgraded: