ryanjjones10

    func peripheral(peripheral: CBPeripheral, didDiscoverServices error: NSError?){
        peripheral.discoverCharacteristics(nil, forService: peripheral.services![0])
    }

ryanjjones10

   func peripheral(peripheral: CBPeripheral, didDiscoverCharacteristicsForService service: CBService, error: NSError?){
        for characteristic in service.characteristics! {
            let thisCharacteristic = characteristic as CBCharacteristic
            if thisCharacteristic.UUID == txCharacteristic{
                self.currentCharacteristic = thisCharacteristic
                let openValue = "1".dataUsingEncoding(NSUTF8StringEncoding)!
                self.peripheral.writeValue(openValue, forCharacteristic: self.currentCharacteristic, type: CBCharacteristicWriteType.WithResponse)
            }
        }
        if let error = error {

ryanjjones10

import CoreBluetooth
import UIKit

class ViewController: UIViewController, CBCentralManagerDelegate, CBPeripheralDelegate {

    var centralManager: CBCentralManager!
    var peripheral: CBPeripheral!
    var currentCharacteristic: CBCharacteristic! = nil
    var readRSSITimer: NSTimer!
    var RSSIholder: NSNumber = 0