| PartNumber | 555-28027 | 555-27400 | 555-27401 |
| Description | Board Mount Motion & Position Sensors PIR Sensor (Motion Detector) | Daughter Cards & OEM Boards SumoBot PC Board | Optical Sensor Development Tools QTI SENSOR |
| Manufacturer | Parallax | Parallax | Parallax |
| Product Category | Board Mount Motion & Position Sensors | Daughter Cards & OEM Boards | Optical Sensor Development Tools |
| RoHS | Y | Y | N |
| Product | Motion Sensor | Robotic Boards | - |
| Output Type | Dual | - | - |
| Operating Supply Current | 23 mA | - | - |
| Supply Voltage Min | 3 V | - | - |
| Supply Voltage Max | 6 V | - | - |
| Maximum Operating Temperature | + 50 C | - | + 85 C |
| Minimum Operating Temperature | 0 C | - | - 40 C |
| Package / Case | Module | - | - |
| Height | 25.4 mm | - | - |
| Length | 32.2 mm | - | - |
| Width | 24.3 mm | - | - |
| Brand | Parallax | Parallax | Parallax |
| Product Type | Motion & Position Sensors | Daughter Cards & OEM Boards | Optical Sensor Development Tools |
| Factory Pack Quantity | 1 | - | 1 |
| Subcategory | Sensors | Embedded Solutions | Development Tools |
| Unit Weight | 4.299896 oz | 2 oz | 1.119999 oz |
| For Use With | - | 27400 | - |
| Description/Function | - | SumoBot robot PCB | Infrared Sensor |
| Interface Type | - | RS-232, USB | - |
| Core | - | RISC | - |
| Data Bus Width | - | 8 bit | - |
| Tool Is For Evaluation Of | - | PBASIC2 | QRD1114 |