Thankfully this has a diode to prevent connecting it backwards. The diagrams I found online were incorrect. The pcb labels are under the plastic dome, so double check by removing it before connecting. Other than that, it works.

Thankfully this has a diode to prevent connecting it backwards. The diagrams I found online were incorrect. The pcb labels are under the plastic dome, so double check by removing it before connecting. Other than that, it works.

Thankfully this has a diode to prevent connecting it backwards. The diagrams I found online were incorrect. The pcb labels are under the plastic dome, so double check by removing it before connecting. Other than that, it works.

Perfect project IR sensor module ... slightly larger than I expected (size of thumb nail) but well constructed, and with easy setting, so packed with functionality.

Perfect project IR sensor module ... slightly larger than I expected (size of thumb nail) but well constructed, and with easy setting, so packed with functionality.

Perfect project IR sensor module ... slightly larger than I expected (size of thumb nail) but well constructed, and with easy setting, so packed with functionality.

It is excellent, it looks of very good quality the product. I came just like I should be, no problem.

es excelente, se ve de muy buena calidad el producto. llego tal cual como deberia de ser, sin ningun problema

It is excellent, it looks of very good quality the product. I came just like I should be, no problem.

un po' grande,ma completo e ben funzionante

un po' grande,ma completo e ben funzionante

un po' grande,ma completo e ben funzionante

très bon capteur

très bon capteur

très bon capteur

the sensor works well. setting are efficients

the sensor works well. setting are efficients

the sensor works well. setting are efficients

petit module sympa je vais faire mes boîtiers en 3d pour mon projet alarme !! je recommande !

petit module sympa je vais faire mes boîtiers en 3d pour mon projet alarme !! je recommande !

petit module sympa je vais faire mes boîtiers en 3d pour mon projet alarme !! je recommande !

De acordo com as informações do anúncio.

De acordo com as informações do anúncio.

De acordo com as informações do anúncio.

good

good

good

пришло за 16 дней Санкт-Петербург.

пришло за 16 дней Санкт-Петербург.

пришло за 16 дней Санкт-Петербург.