NSDictionary *scanOptions = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO]                                                                 forKey:CBCentralManagerScanOptionAllowDuplicatesKey];             // Scan for peripherals with given UUID             [cm scanForPeripheralsWithServices:[NSArray arrayWithObject:Controller.serviceUUID] options:scanOptions] - (void) centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI {     if(!discovered){         discovered = YES;         NSLog(@"Discovered");         [cm stopScan];         [scanButton setTitle:@"Connect" forState:UIControlStateNormal];     }     else if(discovered){         discovered = YES         NSLog(@"Already discovered");     } } Discovered Already discovered - (void) peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error{     NSLog(@"Did discover services on peripheral %@", [peripheral name]);     for (CBService *s in [peripheral services]){         // DOES NOT ENTER THIS LOOP WHEN didDiscoverPeripheral FIRE TWICE         if ([[s UUID] isEqual:Controller.serviceUUID]){             NSLog(@"Found service on %@", [peripheral name]);             self.service = s;             [peripheral discoverCharacteristics:[NSArray arrayWithObject:Controller.throttleCharacteristicUUID] forService:self.service];         }     }         if (self.service == nil){ // THIS HAPPENS WHEN didDiscoverPeripheral FIRE TWICE         [delegate didDiscoverCharacteristic:NO];     } _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists.... This email sent to site_archiver@lists.apple.com