Meadow.Foundation.Grove.Sensors.Rotary.RotaryAngleSensor

RotaryAngleSensor
Status
Source code	GitHub
NuGet package

Code Example

RotaryAngleSensor sensor;

publicoverrideTaskInitialize()
{
 Resolver.Log.Info("Initialize...");

 sensor =newRotaryAngleSensor(Device.Pins.A01);

var consumer = RotaryAngleSensor.CreateObserver(
handler: result => Resolver.Log.Info($"Observer filter satisfied: {result.New.Millivolts:N2}mV, old: {result.Old?.Millivolts:N2}mV"),
filter: result =>
{
if(result.Old is{} old)
{//c# 8 pattern match syntax. checks for !null and assigns var.
return(result.New - old).Abs().Millivolts >500;
}
returnfalse;
});
 sensor.Subscribe(consumer);

 sensor.Updated +=(sender, result)=>
{
 Resolver.Log.Info($"Voltage Changed, new: {result.New.Millivolts:N2}mV, old: {result.Old?.Millivolts:N2}mV");
};

return Task.CompletedTask;
}

publicoverrideasyncTaskRun()
{
var result =await sensor.Read();
 Resolver.Log.Info($"Initial read: {result.Millivolts:N2}mV");

 sensor.StartUpdating(TimeSpan.FromMilliseconds(1000));
}

Sample project(s) available on GitHub

Wiring Example

RotaryAngleSensor	Meadow Pin
GND	GND
VCC	3.3V
RX	D01
TX	D00