![Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor)… « Adafruit Industries – Makers, hackers, artists, designers and engineers! Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor)… « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2009/05/cdsconstruction.jpg)
Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor)… « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor PIR 5 mm GM5539 5539 (30PCS) - Ideal Supply Inc (dba Ideal Blasting Supply) Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor PIR 5 mm GM5539 5539 (30PCS) - Ideal Supply Inc (dba Ideal Blasting Supply)](https://cdn11.bigcommerce.com/s-cru6v6697o/images/stencil/1280x1280/products/8671/17104/pir_photo_cell_trigger_ied__54122.1594230949.jpg?c=2)
Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor PIR 5 mm GM5539 5539 (30PCS) - Ideal Supply Inc (dba Ideal Blasting Supply)
![sensor - How to increase sensitivity of Light Dependent Resistor (LDR) - Electrical Engineering Stack Exchange sensor - How to increase sensitivity of Light Dependent Resistor (LDR) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/laplM.jpg)
sensor - How to increase sensitivity of Light Dependent Resistor (LDR) - Electrical Engineering Stack Exchange
![sensor - Light Dependent Resistor Photoresistor LDR: gl5516 vs gl5506 - Electrical Engineering Stack Exchange sensor - Light Dependent Resistor Photoresistor LDR: gl5516 vs gl5506 - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/bukpk.png)