User's Guide

ATS58-2020 5.8GHz Motion sensor
Version 1.0
Page 6
The delay time and detection area
Ats58-2020 requires three pins by default, VCC,
GND and out. the delay time and sensing distance are
fixed values. If you need to adjust the delay time and
sensing distance and other related parameters, you need
to add two pins, RX and TX, as shown in Figure 3
。
In terms of software configuration, RX and TX can
be used as I / O ports or UART ports to adjust module
parameters. By default, the software uses these two pins
as I / O ports
。
TX is used to adjust the sensing distance,
which is 4-6m for low level and 3-5M for high level. Rx
is used to adjust the delay time, which is 30s for low
level and 2S for high level ，Triggering the sense again
within the delay time will restart the timing.
RX and TX can also be used as UART ports to
adjust module parameters. When they are used as
UART ports, refer to the document 《 Airtouch Radar
Setting Tool》。
Photosensitive Detection
Module supports photosensitive detection, but
photosensitive function is optional. If photosensitive
function is required, photodiode and tuning resistance
can be added at the position shown in Figure 4.
Photosensitive detection function shall also be enabled
synchronously in software, and photosensitive threshold
can be adjusted by tuning resistance.Turn on the version
of photosensitive function, only when the ambient light
is lower than the set illuminance, the radar sensing will
be started. If the light is too bright, the module will not
start the sensing function. When testing the radar
performance alone, the photodiode can be covered with
black tape to avoid the photosensitive effect affecting
the radar sensing function.
。
Add UART port
Figure3
photodiode
Figure4
Tuning resistance