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10.00₪ כולל מע"מ
משלוח: 2 עד 7 ימי עסקים
CdS cells are small light sensors. The more the cell is exposed to light, the lower the resistance. The resistance range is around 5-10K, when it is dark, and goes up to 200K.
To use, connect one side of the photocell to the power supply (eg 5V) and the other side to the analog input pin of your microcontroller. Next, connect a 10K pull-down resistor from this analog pin to ground.