FAQ
Copyright © Nooploop LTd 2023. All Rights Reserved.
8 FAQ
Q1. Can it be used in outdoor conditions?
The module can resist some natural light influence and can be used outdoors.
Q2. Is there interference between multiple modules?
When multiple modules are working at the same time, even if the infrared light emitted from one
module crosses or hits the same position as another module, it will not affect the actual measurement.
However, if two modules are at the same horizontal height and facing each other, the measurement
may be affected for both of them.
Q3. Why does the module have no data output?
Each module has undergone strict testing before shipping. If there is no data, please first check if
the mode, wiring (power supply voltage, wire sequence correctness, and whether the pins on both sides
of the communication are conducting as recommended by using a multimeter to test), baud rate, and
other configurations are correct. For IIC output mode, the host needs to read data from the set slave
address through IIC communication according to the communication timing in the manual. For I/O
output mode, please refer to the relevant section on I/O mode introduction.
Q4. What should be noted during installation?
If you don't want to detect the ground or other reflective surfaces, you need to avoid obstruction
within the FOV angle during installation. In addition, attention should be paid to the height of the
ground, and similar reflective surfaces such as ground obstruction should be avoided within the FOV.
If the installation height is close to the ground, you can consider installing the module slightly tilted
upward.
Q5. Is the UART, IIC, and I/O of the module the same interface?
The module's UART, IIC, and I/O interfaces share the same physical interface, and the
corresponding pin sequence can be converted for different communication modes.
Q6. After switching to IIC or I/O mode, why does NAssistant software not recognize the module?
How to switch between different communication modes?
Currently, the NAssistant software only supports the recognition of modules in UART mode. In
UART mode, the host computer can enter the setting page to configure the module as an IIC or I/O
communication mode after successful recognition through the software. In IIC communication mode,
the module can be switched back to UART or I/O mode by sending instructions to the module
according to the IIC communication protocol. Additionally, if there is no IIC test environment or if it is
switched to I/O mode, it can be switched back to UART mode as follows:
1.The user needs to prepare a USB to TTL module that supports 921600 baud rate (CP2102 is
recommended) and install the corresponding driver, connect the USB to TTL module's TX, RX, and
GND to the corresponding pins of the TOF module, and temporarily not connect the VCC pin. Then
plug the USB to TTL module into the computer.
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