From ae17c93f44d479620fb7adc416392c0676353277 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Tue, 20 Mar 2018 10:05:45 -0600 Subject: [PATCH] significant update of TeleLaunch web content based on recent decisions --- TeleLaunch/index.mdwn | 136 ++++++++++++++++++++++++++++++------------ index.mdwn | 2 +- 2 files changed, 98 insertions(+), 40 deletions(-) diff --git a/TeleLaunch/index.mdwn b/TeleLaunch/index.mdwn index a7c7dcb..bb7a105 100644 --- a/TeleLaunch/index.mdwn +++ b/TeleLaunch/index.mdwn @@ -3,71 +3,129 @@ # TeleLaunch — Multi-channel Wireless Launch Controller System # TeleLaunch is secure radio-controlled rocket launch system capable of -operating up to 400 pads from a single controler. A typical TeleLaunch -system consists of one LCO board and one or more pyro boards. The LCO -boards available include the full-featured TeleLCO, and the much simpler -TeleLCOTwo. Avaialbe pyro boards include TeleFireOne and TeleFireFour, -which control one or four pads, respectively. +operating up to 800 pads from a single controler. A typical TeleLaunch +system consists of one LCO board and one or more pyro boards. -## TeleLCO ## +TeleLaunch uses a two-way digital radio communications system for +positive indication of all operations. The communications link is +secured with AES CBC-MAC to prevent accidental or intentional +operation from unauthorized transmitters. + +TeleLaunch operates in the 70cm amateur band at low power using +Altus Metrum's proven modulation and coding schem to avoid interference +with any rocketry electronics or other communication devices. -TeleLCO controls up to 100 TeleFire boxes and is powered by a -rechargable lithium polymer +All boards in the TeleLaunch system are easily configured using USB for +parameters like operating frequency, callsign, cryptographic key, and +in the case of pyro boards the designated bank number. - * USB connection to charge battery. +## Launch Control Boards ## - * Large 1.36 inch LCD display for selected pad +All launch control boards in the TeleLaunch system are designed to use +a lithium polymer battery that can be recharged over USB. They support +distinct arm and fire switches, continuous indication of igniter +continuity, and have super-bright LED indicators for remote arming, +continuity, and RF link quality plus an audible indication of arming. - * Rotary knobs for pad selection +### TeleLCO ### - * LED indicators for remote arming, continuity and RF quality +TeleLCO controls up to 100 TeleFire banks, comes packaged in a rugged +case, and is typically placed on a table for use by the designated LCO. - * Arming switch and firing button + * Large 1.36 inch LCD display for selected bank and pad -Circuit diagrams and PCB layouts are provided here: + * Rotary knob for pad selection -[[!map pages="TeleLaunch/telelco-v0.2/* and ! TeleLaunch/telelco-v0.2/*/*"]] +### TeleLCOTwo ### -## TeleLCOTwo ## +A small LCO board capable of handling up to two TeleFireOne pyro +boards, or one channel each on TeleFireEight boards. TeleLCOTwo is ideal +for individuals or clubs that have an existing launch control system but +want to use TeleLaunch for an "away" launch cell. -More information coming soon. +TeleLCOTwo is configured in advance by USB to know which two pyro channels +it should interact with, and then a simple rocker switch selects between +the two during use. -## TeleFireOne ## +TeleLCOTwo comes packaged in a weather-sealed polycarbonate box with +switches on one face, and BNC antenna connector and USB connectors. It +can be placed on a table, but is typical hand-held during operation. -More information coming soon. +## Pyro Boards ## -## TeleFireFour ## +Each pyro board in the TeleLaunch system uses FET technology for lowest +possible resistance paths, allowing maximum current to be reliably +delivered from the power source to the igniter leads. TeleFire boards can +be powered by any 10-15V supply. This would typically be a 12V lead acid +battery, but 3-cell lithium polymer packs used in RC aircraft are also +suitable. -TeleFireFour has four igniter circuits, each of which uses a 70A -automotive relay to provide a low resistance path, high-current from -the power source to the igniter leads. TeleFireFour can be powered by any -10-15V supply, from 3-cell lithium polymer packs used in RC aircraft -to a 12V lead acid battery. +Each board features: * Continuity Detection. Igniter continuity uses a low-current sensing system which sends only 100µA through the igniter to prevent false - ignition. The circuit also detects a shorted relay. + ignition. The circuit also detects dead shorts. - * Local LED continuity, arming and RF quality indicators. + * Super-bright LEDs for continuity, arming and RF quality indicators. * Strobe and Siren. TeleFireFour has two 12V medium current (5A) outputs to drive a siren and strobe light when the launch system is armed and ready to fire. - * Local arming switch. A positive power switch shutting off the - igniters and relays prevents the LCO from engaging the firing - circuit. + * Local arming switch. When in the safe position, power is completely + disconnected from the igniter circuits to prevent any possibility + of the LCO accidentally engaging firing circuits during rocket + preparations at the pad. -Circuit diagrams and PCB layouts are provided here: + * Each board is designed to fit in a standard Hammond weather-sealed + polycarbonate enclosure with weather-sealed rocker switches for + power and arming plus cable glands for DC input cable and igniter + output cables. Alternatively, boards can be configured to mount + in the user's choice of enclosure, such as a metal ammo box or + larger NEMA enclosure with space for the user's choice of + external connectors. -[[!map pages="TeleLaunch/telefire-v0.2/* and ! TeleLaunch/telefire-v0.2/*/*"]] +### TeleFireOne ### -## Radio Communications ## +TeleFireOne is a pyro board supporting a single igniter circuit. This +makes TeleFireOne idea for individuals, launch trailers, or for "away +cells" at larger club launches. -TeleLaunch uses a two-way digital radio communications system for -positive indication of all operations. The communications link is -secured with AES CBC-MAC to prevent accidental or intentional -operation from unauthorized transmitters. +All high-current connections are made on the board using standard +1/4-inch spade lugs, with screw terminals for the siren and strobe. This +allows for easy packaging and quick board swaps. + +### TeleFireEight ### + +TeleFireEight has eight igniter circuits, making it ideal for use at +club launches. Larger clubs or launch site setups can use multiple +boards to organize the site into multiple banks with up to 8 rockets +each. + +All connections are made on the board using 1/4-in spade lugs for +eash packaging and quick board swaps. + +## Documentation ## + +Not written yet. + +## Software ## + +TeleLaunch firmware is part of the larger [AltOS](/AltOS) suite of +software. + +## Availability ## + +Several prototype systems have been built and successfully +deployed. Lessons learned from use of those systems are currently +being incorporated into new board revisions, and general availability +of the system for sale is expected in the first half of 2018. + +## Licenses ## + +TeleLaunch hardware is licensed under the [TAPR](http://www.tapr.org) +[Open Hardware License](http://www.tapr.org/ohl.html) + +TeleLaunch software is licensed +[GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) -TeleLaunch operates in the 70cm amateur band at 10mW to avoid -interference with any rocketry electronics. diff --git a/index.mdwn b/index.mdwn index 6f7de13..3ad9196 100644 --- a/index.mdwn +++ b/index.mdwn @@ -115,7 +115,7 @@ was Bdale's original project here, a dual-deploy rocketry altimeter. One prototype was built, but never flown. * [TeleLaunch](TeleLaunch/) -is a wireless launch control system capable of operating up to 400 pads. +is a wireless launch control system capable of operating up to 800 pads. * [TeleNano](TeleNano/) is a tiny rocketry altimeter with telemetry using only a barometric -- 2.30.2