User's Guide Optical Sensor for Heart Rate Monitor BH1792GLC-EVK-001 Manual BH1792GLC-EVK-001 is an evaluation board for BH1792GLC, which is a ROHM Optical Sensor for Heart Rate Monitor. This User's Guide is about how to use BH1792GLC-EVK-001 together with SensorShield*1. *1 SensorShield is sold as a single unit of Shield-EVK-001 or as a part of SensorShield-EVK-002. J15 Preparation 1pc Personal Computer installed Arduino IDE 1pc Requirement : Arduino 1.6.7 or higher Please use Arduino IDE which can be 5V Arduino Uno 3V 1.8V 4.VLED terminal 6.Pull-up setting pin 5.Interrupt setting pin 3.Voltage setting pin downloaded from the link below: http://www.arduino.cc/ USB cable for connecting Arduino and PC 1pc SensorShield 1pc BH1792GLC-EVK-001 1pc 2.BH1792GLC-EVK-001 Setting 1. Figure 2. Connection between BH1792GLC-EVK-001 and Connect the Arduino and the SensorShield (Figure 1) the SensorShield SensorShield USB connecter 6. Set Pull-up setting of the SensorShield to INT1(Figure 2) 7. Connect the Arduino to the PC using a USB cable 8. Download BH1792GLC.zip from the link below: http://www.rohm.com/web/global/sensor-shield-support 9. Download a library of FlexiTimer2 from the link below: http://playground.arduino.cc/Main/FlexiTimer2 10. Change the file name of FlexiTimer2 to FlixiTimer2.zip 11. Launch Arduino IDE Figure 1. Connection between the Arduino and the 12. Select [Sketch]->[Include Library]->[Add.ZIP library...], SensorShield 2. install BH1792GLC.zip and FlixiTimer2.zip 13. Select [File]->[Examples]->[BH1792GLC]->[example]-> Connect BH1792GLC-EVK-001 to the socket of I2C area [BH1792GLC] on the SensorShield (Figure 2) 3. Set Voltage of the SensorShield to 3.0V (Figure 2) 4. Set the VLED terminal to the terminal for 5.0V of the SensorShield 5. Set Interrupt of the SensorShield to INT1 (Figure 2) (c) 2017 ROHM Co., Ltd. 1/3 No. 60UG056E Rev.001 JAN.2018 BH1792GLC-EVK-001 Manual User's Guide Measurement 1. 4. Select [Tools]->[Serial Plotter] (Figure 5) Select [Tools] and check the contents enclosed in the red frame. (Figure 3) Board is "Arduino/Genuino Uno". Port is "COMxx (Arduino/Genuino Uno)". COM port number is different in each environment. Figure 5. Tools Setting 5. Place finger on top of the sensor board. (Figure 6) Note: Be careful of static electricity. Figure 3. COM Port setting 2. Write the program by pressing right arrow button for upload (Figure 4) 3. Wait for the message "Done uploading" (Figure 4) Figure 6. Measurement Environment 6. Check log of Serial Plotter (Figure 7) Optical Sensor Data with LED ON Optical Sensor Data with LED OFF Figure 4. Uploading Figure 7. Serial Plotter (c) 2017 ROHM Co., Ltd. 2/3 No. 60UG056E Rev.001 JAN.2018 BH1792GLC-EVK-001 Manual User's Guide Board Information Figure 8. Picture of the board Table 1. Parts information (c) 2017 ROHM Co., Ltd. 3/3 No. 60UG056E Rev.001 JAN.2018 Notice Notes 1) The information contained herein is subject to change without notice. 2) Before you use our Products, please contact our sales representative and verify the latest specifications : 3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no responsibility for any damages arising out of the use of our Poducts beyond the rating specified by ROHM. 4) Examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. 5) The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information. 6) The Products specified in this document are not designed to be radiation tolerant. 7) For use of our Products in applications requiring a high degree of reliability (as exemplified below), please contact and consult with a ROHM representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems. 8) Do not use our Products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters. 9) ROHM shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein. 10) ROHM has used reasonable care to ensurH the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages arising from any inaccuracy or misprint of such information. 11) Please use the Products in accordance with any applicable environmental laws and regulations, such as the RoHS Directive. For more details, including RoHS compatibility, please contact a ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations. 12) When providing our Products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the US Export Administration Regulations and the Foreign Exchange and Foreign Trade Act. 13) This document, in part or in whole, may not be reprinted or reproduced without prior consent of ROHM. 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