User Guide HC-SR04 (ElecFreaks) - 6
| 制造商 | ElecFreaks |
| 描述 | Ultrasonic transmitter emitted an ultrasonic wave in one direction, and started timing when it launched. |
| 页数 / 页 | 6 / 6 — Chart. 3、HC-SR04. testing. results. 6. Document. Outline. … |
| 文件格式/大小 | PDF / 740 Kb |
| 文件语言 | 英语 |
Chart. 3、HC-SR04. testing. results. 6. Document. Outline. HC-SR04UserGuide. Part1UltrasonicIntroduction. 1.1UltrasonicDefinition
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Chart 3、HC-SR04 testing results 6 Document Outline HC-SR04UserGuide Part1UltrasonicIntroduction 1.1UltrasonicDefinition Thehumanearcanhearsoundfrequencyaround20HZ 1.2Ultrasonicdistancemeasurementprinciple Ultrasonictransmitteremittedanultrasonicwave 1.3UltrasonicApplication Part2HC-SR04UltrasonicModuleIntroduction 2.1ProductFeatures 2.2ProductImage 2.3、Modulepindefinitions 2.4、Electricalparameters 2.5ModuleoperatingPrinciple Part3UseFreaduinoUNOtotestHC-SR04 3.1FreaduinounoandHC-SR04Connection 3.2HCSR04libraryfunctiondescription Longtiming() floatCalcDistance(longmicrosec,intmetric) 3.3AddtheHC-SR04Library 3.4TesttheModulewiththeExamplesofLibraryF