FAQ
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2.Open the NAssistant software, click on the icon to enter the serial port debugging assistant,
change the baud rate to 921600, select the COM port corresponding to the USB to TTL module, and
then click the connect button to connect to the COM port (most situations will automatically connect).
In the one-way send text box, enter 54 20 00 ff 00 ff ff ff ff 00 ff ff 00 10 0e ff ff ff ff ff ff ff ff ff ff ff
00 ff ff ff ff 7c, change the send interval in the timer send column to 20ms, and then check the timer
send.
3.At this point, connect the USB to TTL module's 5V to the TOF module's VCC pin. The module
will switch to UART mode and start outputting data. Then uncheck the timer send button, disconnect
the USB to TTL module, and then power on the module. Finally, click the recognition button on the
main page to recognize the module.
If the switch fails, pull out the USB to TTL module and repeat the entire step. Do not plug and
unplug the VCC pin repeatedly while sending commands. If the module can be recognized normally
but the serial port output data is abnormal, you can manually change to UART mode in the setting
page.
PS: If the TOF module's VCC pin is connected to the USB to TTL module's 5V and the module
continuously sends protocol data such as 80 00 80 00..., first click the connect button to temporarily
disconnect the COM port, change the baud rate to 115200, and then click the connect button to
reconnect to the COM port. If the data in the serial port debugging assistant starts with b3 b1 at this
point, enter de ed 00 00 05 04 3b 01 00 00 10 in the one-way send text box and click send. Then
disconnect the USB to TTL module, power on the module, and click the recognition button on the main
page to recognize the module. If the data still starts with b3 b1 after re-plugging, repeat the PS steps.
Q7. Whether the module can output point cloud information ?
The module can only output one distance at a time and does not currently support the output of
point cloud information.
Q8. What data will the module output when it exceeds the range?
TOFSense-F:
When the range exceeds 15 meters, the error is large in the range of 15 to approximately 20 meters.
Beyond the maximum range of 20 meters, the distance output is fixed at 0 meters. At this time, you can
refer to the distance status indicator in the data manual to determine the validity of the data.
TOFSense-F P:
When the range exceeds 25 meters, the distance output is fixed at 0 meters. At this time, you can
refer to the distance status indicator in the data manual to determine the validity of the data.
Q9. What is the serial port communication terminal model used by the module? Flight control,
MCU without this terminal interface how to do?
The module uses a GH1.25 terminal. You can purchase GH1.25 to other terminal adapters or cut
off the GH1.25-GH1.25 connection that comes with the product and weld other terminals yourself.
Please refer to the data manual for wiring sequence, power supply voltage, signal line level, etc.
Q10.How to calculate the received ad 08 00 as distance value?
The data in the protocol frame is stored in little-endian mode, and it is multiplied by a certain
multiple during encoding. For example, "ad 08 00" is first restored to hexadecimal data 0x0008ad,
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