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the operating current will need to be increased accordingly
Check the pin labels on the Pulse Sensor Arduino Compatible and match them to your controller voltage
The distance between the devices
Easy wiring: UART
Electrical Tape
Crowtail Buzzer - Plug-and-Play Sound Output Module powerboost 1000 the operating current will needCrowtail Buzzer Module Grove Compatible Active Buzzer The Crowtail Buzzer is a plug and play active buzzer in the Crowtail (Grove compatible) form factor. Just connect to a digital pin on your Crowtail base shield and send a HIGH signal to beep. No soldering, no breadboarding perfect for classroom projects and rapid prototyping. Technical specifications Type Active buzzer (Crowtail Grove connector) Interface Digital Voltage 3. 35V Connector 4 pin
