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Trying out navigation options
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‎www/en/modules/ROOT/pages/analog-outputs-nav.adoc‎

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image::GrovePicoShieldAnalogConnections.png[]
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* xref:grove-analog-outputs-pwm.adoc[Grove Analog Outputs PWM]
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This example uses the buzzer module but the source code is also applicable for other similar Grove Modules.
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The connectors used are [A0],[A1],[A2] as shown below
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image::GrovePicoShieldAnalogConnections.png[]
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== Hardware Details
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https://wiki.seeedstudio.com/Grove-Passive-Buzzer/[Grove Passive Buzzer]
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== Demo Video
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Here is a video that shows the set-up and running of the Passive buzzer using a piano scale to demonstrate Frequency and Duty Cycle
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video::0-suR8HejsY[youtube]
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== Example Code
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Navigate to >>Scratchpad>>Grove>>Analog Output PWM>>**Piano PWM AO.vi**
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image::images\GroveAnalogOutputPWMProject.png[]
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This particular VI uses the passive buzzer to make the sound. Select the port for the connected Pico and the Grove connector that the board is plugged into. Press the run arrow.
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Links to various other similar boards are also on the Front Panel.
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image::images\GroveAnalogOutPWMFP.png[]
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On the block diagram you can see that the selected Grove connector dictates the GPIO Pin and we then wire it to the *Configure PWM.vi* . Next we loop round the event structure waiting for button press events. If a piano key is pressed the corresponding frequency will be entered into the *PWM Write Frequency.vi*. If the duty cycle is high enough a sound of the right key should be heard. Pressing Stop will fire the Stop event and exit the loop.
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image::images\GroveAnalogOutPWMBD.png[]
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There are also options that communicate using I2C. These will use connectors I2C0 and I2C1 as shown. Commonly these will offer improved resolution e.g. 16 bits so 65536 levels. They may also offer amplifiers, multiplexers or other enhanced functionality.
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‎www/en/modules/ROOT/pages/digital-outputs-nav.adoc‎

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= Grove Digital Outputs
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:page-toclevels: 1
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== Overview
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== Standard Digital Output
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=== Overview
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A digital output can be thought of as the signal to an LED or a relay. These examples use the GPIO Pins [D16,D17],[D18,D19],[D20,D21] that correspond to connectors D16,D18 and D20 on the grove shield.
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image::GroveDigitalConnectionsPico.png[]
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* xref:grove-digital-outputs.adoc[Grove Digital Outputs]
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== Hardware Details
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=== Hardware Details
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https://wiki.seeedstudio.com/Grove-Red_LED/[Grove LED]
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https://wiki.seeedstudio.com/Grove-Relay/[Grove Relay]
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== Demo Video
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=== Demo Video
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Here is a video that shows the set-up and running of the LED and Relay Examples
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video::5MPWDghnn5Q[youtube]
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video::w0F2TlSiCmE[youtube]
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== Example Code
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=== Example Code
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Navigate to >>Scratchpad>>Grove>>Digital Inputs>>Grove Digital Out.vi
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image::GroveDigitalOutLEDBD.png[]
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= I2C Digital Output Boards
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== I2C 4 Channel SPDT Relay Board
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There are also options that communicate using I2C. These will use connectors I2C0 and I2C1 as shown.
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image::GrovePicoShieldI2CConnection.png[]
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* xref:grove-i2c-4-channel-spdt-relay-board.adoc[Grove I2C 4 Channel Relay Board]
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This example uses the grove 4 Channel Relay module, there are other similar modules that may work with this code.
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image::GrovePicoShieldI2CConnection.png[]
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== Hardware Details
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=== Hardware Details
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https://wiki.seeedstudio.com/Grove-4-Channel_SPDT_Relay/[Grove I2C 4 Channel SPDT Relay Board]
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== Demo Video
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=== Demo Video
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Here is a video that shows the set-up and running of the 4 Channel Relay Board
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video::0Jp3GYXE-z4[youtube]
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== Example Code
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=== Example Code
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Navigate to >>Scratchpad>>Grove>>Switches>>I2C 4 Channel SPDT Relay Board.vi
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‎www/en/modules/ROOT/pages/grove-i2c-gesture-sensor-I2C-PAJ7620U2.adoc‎

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= Grove Digital Inputs
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= Grove Gesture Sensor
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:page-toclevels: 1
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.Overview
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****
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== Overview
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This example uses the grove button module but the source code is also applicable for other similar Grove Modules.
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The GPIO Pins used are [D16,D17],[D18,D19],[D20,D21]
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image::general\GroveDigitalConnectionsPico.png[]
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****
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.Hardware Details
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:page-toclevels: 2
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****
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== Hardware Details
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https://wiki.seeedstudio.com/Grove-Dual-Button/#features[Grove Dual Button]
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****
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.Demo Video
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:page-toclevels: 2
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****
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== Demo Video
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Here is a video that shows the set-up and running of the Dual Button Digital Inputs
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video::0-suR8HejsY[youtube]
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video::5MPWDghnn5Q[youtube]
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****
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== Example Code
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.Example Code
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:page-toclevels: 2
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****
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Navigate to >>Scratchpad>>Grove>>Digital Inputs>>Grove Digital In.vi
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image::images\grove-digital-inputs\GroveDigitalInProject.png[]

‎www/en/modules/ROOT/pages/grove-i2c-ssd1315-64x128oled-display.adoc‎

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= Grove Digital Inputs
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.Overview
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:page-toclevels: 2
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= Overview
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This example uses the grove button module but the source code is also applicable for other similar Grove Modules.
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The GPIO Pins used are [D16,D17],[D18,D19],[D20,D21]
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image::general\GroveDigitalConnectionsPico.png[]
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.Hardware Details
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:page-toclevels: 2
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== Hardware Details
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https://wiki.seeedstudio.com/Grove-Dual-Button/#features[Grove Dual Button]
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.Demo Video
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:page-toclevels: 2
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== Demo Video
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Here is a video that shows the set-up and running of the Dual Button Digital Inputs
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video::0-suR8HejsY[youtube]
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video::U05stmxbPzs[youtube]
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****
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== Example Code
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.Example Code
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:page-toclevels: 2
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Navigate to >>Scratchpad>>Grove>>Digital Inputs>>Grove Digital In.vi
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image::images\grove-digital-inputs\GroveDigitalInProject.png[]
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This particular VI uses the dual buttons. Select the port for the connected Pico and the Grove connector that the board is plugged into. Press the run arrow.
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You should now see the button indicators light up when the corresponding button is pressed. The Indicators use a transparent fill for the off state and a brighter Red or Green for the on state.
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On the block diagram you can see that the selected Grove connector dictates the GPIO Pin and we then set the pin to [In]. Next we loop round and event structure and use the timeout to poll the digital inputs. Pressing Stop will fire the Stop event and exit the loop.
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image::images\grove-digital-inputs\GroveDigitalInBD.png[]
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