Led 5mm yellow
Política de segurança
Política de entrega
Política de devolução
Use a 220Ω resistor. if you power the led from a 5V source.
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LDRs or Light Dependent Resistors are very useful especially in light/dark sensor circuits. Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are illuminated with light resistance drops dramatically.