OP.90 and OP.180 are two limit switches with different orientations. They are built with an ITR9606, which combines an infrared - emitting diode and a silicon phototransistor. These switches are great for controlling machinery in a control system, acting as a safety interlock, or counting objects passing a point. A limit switch is an electromechanical device with an actuator linked to contacts. When an object touches the actuator, it makes or breaks an electrical connection. The actuator of this unit has a pair of IR parts: an emitter and a receiver (silicon phototransistor). The emitter constantly sends IR waves, and the receiver always detects them. If there's no object between them, the receiver gets the IR signal, which is how it detects and breaks the electrical connection. This unit features a vertical layout, is an IR limit switch, has a fast response time, and high sensitivity. The package includes 1x OP.90 unit and 1x GROVE Cable. It can be used in door switches, machinery control, mouse copiers, switch scanners, and non - contact switching. For the schematic, example code (click here for the complete Arduino IDE code), and a demo video, refer to the relevant sections.
Using this 90° Infrared Reflective Unit is easy. First, connect the OP.90 unit using the included GROVE Cable. For Arduino IDE, you can use the provided example code as a starting point. Just copy and paste it into your Arduino IDE and adjust as needed. When installing the unit, make sure the IR emitter and receiver are properly aligned and there are no obstructions between them. This will ensure accurate detection. As for maintenance, keep the unit clean from dust and debris, as this can affect its performance. Avoid exposing it to extreme temperatures or moisture. If you notice any issues with the response time or sensitivity, check the electrical connections and make sure the power supply is stable. With proper use and care, this unit will serve you well for a long time in various applications like door switching, machinery control, etc.
