Adding a small delay between setup of pins.

Proculite.GpioRest/Controllers/GpioController.cs

@@ -16,10 +16,10 @@ namespace Proculite.GpioRest.Controllers
         [HttpGet("pin-value/{pinNumber}")]
         public IActionResult PinValue(int pinNumber)
         {
-            if(!ModelState.IsValid)
+            if (!ModelState.IsValid)
                 return BadRequest();
-                
-            return Ok(_gpioService.CurrentPinValue(pinNumber));
+
+            return Ok(_gpioService.CurrentPinValue(pinNumber).ToString());
         }
     }
-}
+}

Proculite.GpioRest/Services/GpioService.cs

@@ -40,6 +40,7 @@ namespace Proculite.GpioRest.Services
                 }
 
                 _gpioController.OpenPin(pin, pinMode, PinValue.Low);
+                Thread.Sleep(200);
             }
         }