Line following Sensor Array
If you are looking for very good accuracy the Pololu 8 IR LED/phototransistor pair is a good choice. This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate analog voltage output.
Circuit Diagram
The outputs are all independent, but the LEDs are arranged in pairs to halve current consumption. The LEDs are controlled by a MOSFET with a gate normally pulled high, allowing the LEDs to be turned off by setting the MOSFET gate to a low voltage. Turning the LEDs off might be advantageous for limiting power consumption when the sensors are not in use or for varying the effective brightness of the LEDs through PWM control.
Board Layout
Resources
Shipping List
- 1 x Line following Sensor Array
Line following Sensor Array
- Brand: Pololu Electronics
- Product Code: 960
- Product Status : Active
Stock
| Warehouse | Stock Status | Location |
|---|---|---|
| Centurion | No Stock | |
| Stellenbosch | Limited Stock | V1 |
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R216.00 (Inc Tax: R248.40)
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