uxcell a14073000ux0271 40 Pieces Photoresistor GL5516 LDR Photo Resistors Light Dependant Resistor, 5mm

Use as aid for learning Adiuno

Delivered in good condition

These simple little sensors work surprisingly well and consistently, and are easy to use with Arduino micro-controllers. They even do a great job picking up indirect reflected light. No need for expensive tracking systems when low cost sensors and a little imagination can do the job.

適当に4.7kΩの抵抗を繋ぎ、5Vの電圧でフォトレジスターの両端電圧を測り、手で押さえたり離したりすると0.5V～4V位まで変化しました。自作のオートライトの製作にも十分使えそうです。また直線的に滑らかに電圧が変動するので、フォトトランジスターに比べ、使いやすいように思います。安価で40個も入っているので、実験し放題です。

I've got photoresistors for life at an amazing price. Have fixed many of my solar lights that use these so have saved countless $$.

c'est excellent

Shipping was much quicker than expected and price was excellent...