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It essentially combines a simple optical heart rate sensor with amplification and noise cancellation circuitry making it fast and easy to get reliable pulse readings
and scalable to a variety of applications
The Pico can be surface mounted as a module
QR wireless identification
IR light is very similar to visible light
4 WD Robot Incremental It essentially combines a simpleIntroduction : Multi usage robot chassis for basic robots. The chassis components are made of acrylic, have mounting holes allowing you to install all the sensors, controllers. Robot chassis for general projects. Features : Suitable for light chasing robots, Arduino based robots. Four wheels with tires with a diameter of 65 mm. Four DC motors with gearboxes.