SkyWire Serial Accessory
There are two wired telescope-control solutions available for your Apple mobile device: SkyWire with 30-pin dock connector and SkyWire with Lightning connection. It's the simplest way to turn your iPhone into a 21st-century telescope controller. This brand-new "Made for iPod" accessory adds an RS-232 port to your iPhone, iPad, or iPod Touch - and lets it connect directly to the serial port on your telescope.
SkyWire requires zero configuration - just plug it into your iPhone, iPad, or iPod Touch. It doesn't need batteries - it's powered by the phone, and consumes almost no power when not in use.
SkyWire isn't just a "dumb cable". It's a true "Made for iPod" accessory that meets all Apple specs. Unlike other "iPhone serial cables" available on the internet, you don't have to jailbreak your iPhone to use it. It's the simplest, most reliable, and most affordable way to control a telescope from your iPhone, iPad, or iPod Touch.
Most telescope models will require an additional cable to adapt SkyWire's standard DB9 connector to a telescope-specific RJ-11 serial connector. If you already have a "PC serial cable" for your telescope, you don't need this additional cable from us. If you do need this cable, we can provide one for you
iOS Device Compatibility
The new SkyWire Lightning supports the following iOS devices:
- iPhone 5, 5S, 5C
- iPad (4th generation and later), iPad Mini
- iPod touch (5th generation and later)
The original SkyWire with 30-pin dock connector supports the following iOS devices:
- iPhone 3G, 3GS, 4, 4S
- iPad, iPad 2, iPad (3rd generation)
- iPod touch (2nd - 4th generation)
The original SkyWire will also work with newer Lightning iOS devices through Apple's Lightning-to-30-pin Adapter or Cable.SkyWire may also work with other third-party Lightning-to-30-pin adapters and cables, but it only tested with genuine Apple accessories.
SkyWire Lightning needs no adapter. It plugs directly into your iOS device's Lightning port.
SkyWire will not work with Android devices. It is was designed for, and is exclusively compatible with, iOS devices. For Android telescope connectivity options, see the SkySafari for Android Telescope Control.
How to Use SkyWire
Really,SkyWire is pretty simple. The best introduction to SkyWire is the following video, which shows how to use SkyWire to connect with and control a Celestron NexStar telescope - one of the most common models available:
Telescope Compatibility
SkyWire can connect to any telescope with a standard RS-232 serial interface. Models that have been tested and are known to work with SkyWire include:
- Meade LX-200 Classic and GPS
- Meade LX-90, ETX, LXD, LX-400 ACF with AutoStar #497 controllers
- Meade Magellan I and II
- Celestron NexStar 5i/8i, GPS, SLT, SE
- Celestron CG5, CGE, CGEM, CPC, AVX
- Orion Sirius, Atlas, SkyView Pro, SkyQuest XTg
- SkyWatcher mounts with SynScan controllers
- Takahashi Temma 2
- ServoCAT, Argo Navis, Sky Commander, Losmandy DSC
- Astro-Physics GTO, Losmandy Gemini, Vixen SkySensor 2000
- Tangent Instruments BBox, JMI NGC-MAX, Celestron AstroMaster
- Lumicon SkyVector, Takahashi Super Navigator, Dave Ek Box
- Orion Intelliscope, Orion SkyWizard
Some Meade ETX models (60/80) ship with the Autostar #494 controller. To make SkyWire work with these scopes, you need to replace the #494 Autostar controller (which does not have a serial port) with the #497 Autostar (which does). Contact Meade to upgrade your controller.
The only models that do not work with SkyWire are those that lack an RS-232 serial interface. Such models include:
- iOptron SmartStar and MiniTower mounts with 8401/8402 controllers
- Meade ETX-LS
- Vixen mounts with StarBook controllers
- These telescopes have USB or Ethernet interfaces, which cannot be physically connected to SkyWire.
Specifications: SkyWire Telescope Control Cable for iPhone, iPad and iPod Touch
Telescope Compatibility
SkyWire can connect to any telescope with a standard RS-232 serial interface. Models that have been tested and are known to work with SkyWire include:
- Meade LX-200 Classic and GPS
- Meade LX-90, ETX, LXD, LX-400 ACF with AutoStar #497 controllers
- Meade Magellan I and II
- Celestron NexStar 5i/8i, GPS, SLT, SE
- Celestron CG5, CGE, CGEM, CPC, AVX
- Orion Sirius, Atlas, SkyView Pro, SkyQuest XTg
- SkyWatcher mounts with SynScan controllers
- Takahashi Temma 2
- ServoCAT, Argo Navis, Sky Commander, Losmandy DSC
- Astro-Physics GTO, Losmandy Gemini, Vixen SkySensor 2000
- Tangent Instruments BBox, JMI NGC-MAX, Celestron AstroMaster
- Lumicon SkyVector, Takahashi Super Navigator, Dave Ek Box
- Orion Intelliscope, Orion SkyWizard
- Some Meade ETX models (60/80) ship with the Autostar #494 controller. To make SkyWire work with these scopes, you need to replace the #494 Autostar controller (which does not have a serial port) with the #497 Autostar (which does). Contact Meade to upgrade your controller.
The only models that do not work with SkyWire are those that lack an RS-232 serial interface. Such models include:
- iOptron SmartStar and MiniTower mounts with 8401/8402 controllers
- Meade ETX-LS
- Vixen mounts with StarBook controllers
- These telescopes have USB or Ethernet interfaces, which cannot be physically connected to SkyWire.
Specifications
Really, SkyWire is pretty simple. Here's everything you wanted to know about SkyWire, including:
- Weight: 40 grams (1.5 ounces)
- Length: 1 meter (39 inches)
- Connectors: Lightning or 30-pin iPhone/iPod/iPad connector, DB9 male RS-232 connector.
- Color: any color you like, as long as it's black.
- Power Use: < 50 mA under continuous use; < 5 mA when not in use.
- Baud Rate: maximum 57.6 kbps
- Data Bits: 7 or 8
- Stop Bits: 1 or 2
- Parity: None, Even, or Odd
- Flow Control: XON/XOFF, RTS/CTS
- Modem control signals: CTS, RI, DTR, DCD, RTS, DTR
- Certifications: FCC part 15B, CE, RoHS, MFi (Made for iPod)
- iPhone compatibility: any iPhone, iPad, or iPod Touch running iOS 4 or later.
- Telescope compatibility: any telescope model with an RS-232 serial port.
Effect on battery life: At most, SkyWire uses an iPhone 4 battery 20% faster than an iPhone 4 running alone. This "worst-case" scenario assumes that both SkyWire and the iPhone are running continuously. When plugged in but not active, SkyWire consumes almost 10x less power, and should have near-zero impact on battery life. An iPad battery, with its much higher capacity, won't even notice a SkyWire connected to it!
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