RAK12017 WisBlock IR Detection Sensor Module Datasheet
Overview
Description
The RAK12017 is an IR detection module. This module uses ITR20001 optical switch from Everlight to detect whether the IR Signal reflects. Sample applications of this module are: to identify if an object is approaching and check changes between black and white lines.
Features
- Detect whether IR Signal is reflected back
- λP=940 nm
- 3.3 V Power supply
- Current Consumption: < 21 mA
- Chipset: Everlight ITR20001
- Infrared Line Tracking Range: 1 cm to 5 cm
- Module Size: 15 mm x 25 mm
Specifications
Overview
Mounting
The RAK12017 WisBlock IR Detection Sensor Module can be mounted to the IO slot of the WisBlock Base board. Figure 1 shows the mounting mechanism of the RAK12017 on a WisBlock Base module.
Figure 2512: RAK12017 WisBlock IR Detection Module Mounting- RAK12017 has a connector(default NC), and if you need to get the module out of WisBlock Base board, you can solder it with cable and RAK13003 WisBlock IO Expansion Module to position the module however you like.
Hardware
The hardware specification is categorized into five (5) parts. It shows the chipset of the module and discusses the pinouts and their corresponding functions and diagrams. It also covers the electrical and mechanical parameters that include the tabular data of the functionalities and standard values of the RAK12017 WisBlock IR Detection Sensor Module.
Chipset
| Vendor | Part number |
|---|---|
| Everlight | ITR20001 |
Pin Definition
The RAK12017 WisBlock IR Detection Sensor Module comprises a standard WisBlock connector. The WisBlock connector allows the RAK12017 module to be mounted to a WisBlock Base board. The pin order of the connector and the pinout definition is shown in Figure 2.
- 3V3_S, GND, AIN1, OUT are connected to WisConnector.
Figure 2513: RAK12017 WisBlock IR Detection Module PinoutElectrical Characteristics
| Symbol | Description | Min. | Nom. | Max. | Unit |
|---|---|---|---|---|---|
| VDD | Power supply | - | 3.3 | - | V |
| λP | Peak Wavelength | - | 940 | - | nm |
| VF | Forward Voltage | - | 1.2 | 1.5 | V |
| IF | Forward Current | 18 | 21 | - | ma |
| ICEO | Dark Current | - | - | 100 | nA |
| VCE(sat) | C-E Saturation Voltage | - | - | 0.4 | V |
| tR | Rise Time | - | 25 | - | us |
| tF | Fall Time | - | 25 | - | us |
Mechanical Characteristics
Board Dimensions
Figure 3 shows the dimensions and the mechanical drawing of the RAK12017 module.
Figure 2514: RAK12017 WisBlock IR Detection Module DimensionsWisConnector PCB Layout
Figure 2515: WisConnector PCB Footprint and RecommendationsSchematic Diagram
Figure 2516: WisConnector and RAK12017 Schematic- 3V3_S is supported by WisBase.
- AIN1 is an analog input.
- The voltage depends on reflection strength.
- The reverse level of MCP606 can be adjusted by indicator.
- D1 is an LED used as an indicator light.
- J2 is used for cable when the module is out of the base.
