I just bought a pack-of-5 from a seller on Ebay for 10 USD. They run off +5 VDC, and the output signal is TTL-compatible (0 to 3.3 VDC), so it will work with devices operating at 3.3V or 5V. There are many sellers of this particular module, and plenty of info is available online.
https://www.ebay.com/itm/192043733875 On Monday, April 18, 2022 at 6:33:21 AM UTC-7 newxito wrote: > I use the BL412 mini PIR > > [image: Picture1.png] > > I use the mini version because I made a 3 in 1 module that includes PIR, > GPS and temperature sensor. > Since this thing is connected with an ugly cable to the clock, I'm > currently working on a wireless version that eliminates the cable and > handles all the clocks in the same room. > Maybe later I will add more sensors like humidity or CO2... > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/0e90fd1b-cbb9-416c-ba40-2d39998dabben%40googlegroups.com.
