On 11 Jul 2018 at 1:33, Jim Ruxton wrote:

> This particular laser detector module is sold many places online but I=20
> can't find the 3 terminal laser sensor itself. Does anyone know what the=
=20
> part would be and where I can find it's specs. On this board it takes 5=20
> volts and ground and outputs a signal when a laser signal is received. I=
=20
> am thinking it is just a phototransistor of some kind but I would like=20
> to know which one. It claims to be optimized for 650 nM. Here is a link=20
> to it.
>=20
> https://www.amazon.com/Icstation-5V-Laser-Sensor-Module/dp/B01M8PFZRC/ref=
=3Dcm_cr_arp_d_product_top?ie=3DUTF8

Similar on AliExpress..

https://www.aliexpress.com/item/New-Arrival-2PCS-5V-Laser-Receiver-Module-n=
on-
modulator-Tube-Laser-Sensor-Module-1-5-x/32812846934.html?spm=3D2114.search
0104.3.42.24342e94OQzF6c&ws_ab_test=3Dsearchweb0_0,searchweb201602_5_10
152_10151_10065_10344_10068_10547_10342_10343_10340_10548_10341_106
96_10084_10083_10618_10307_10846_10059_100031_524_10103_10624_10623
_10622_10621_10620,searchweb201603_35,ppcSwitch_4&algo_expid=3D32b7cfbf-c
bf7-4545-96b4-8e0146865a57-6&algo_pvid=3D32b7cfbf-cbf7-4545-96b4-8e0146865a
57&priceBeautifyAB=3D0

It seems these PCB's are actually marked DS18B20, which a 1-wire temperatur=
e=20
sensor, which it clearly isn't in this case, so not much help there sorry.

But the same seller does list the detectors alone...

https://www.aliexpress.com/item/FREE-SHIPPING-10PCS-LOT-Digital-650nm-laser
-head-receiver-tube-sensor-photoelectric-switch-ranging-module/1906752972.h=
tml?
spm=3D2114.10010108.1000014.2.17894961gqg2XO&scm=3D1007.13338.98644.0000
00000000000&scm_id=3D1007.13338.98644.000000000000000&scm-url=3D1007.1333
8.98644.000000000000000&pvid=3D56b0b7a4-b43a-4bba-ab95-1314d963d609&_t=3Dp
vid:56b0b7a4-b43a-4bba-ab95-1314d963d609,scm-url:1007.13338.98644.0000000
00000000

Still no part number, but hope this helps.




--=20
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