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Hats for the Raspberry Pi

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    HAT stands for “Hardware attached on top”. It is a new hardware specification for add-one modules for the new Raspberry Pi model B+. HATs have several advantages compared to older add-on modules for the Raspberry Pi.

     

    Grove Base Hat for Raspberry Pi Zero.png

     

     

    diagram for Grove Base Hat for Raspberry Pi Zero.png

     

     

    The Raspberry Pi PoE HAT.png 

    The Raspberry Pi PoE HAT powers a Raspberry Pi 4 Model B and Raspberry Pi 3 Model B+ via an Ethernet cable.

    Power-sourcing equipment is required on the Ethernet network.

     

    Adafruit Capacitive HAT.png

     

    clipboard_ed53221ef3548fdfb06c82ae474244fc2.png

    Pi2Grover - Raspberry Pi to Grove Connector Interface Board from SwitchDoc labs

    Notice in the diagram above this hat from SwitchDoc labs has a serial connection and several I2C connections.

    It also has digital IO Grove Connectors.

    For analog input attach the following Grove Connected A/D converter.

    clipboard_ed20a896ea7ea06c1892857fc94aef841.png

    Grove - 4 Channel 16 Bit Analog to Digital Converter from SwitchDoc labs

    Several IoT devices require Analog to Digital Converter. Here is a partial list;

     

        

     

     

     

    Hats for the Raspberry Pi is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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