Difference between revisions of "2017-09-15 EMF 2018 Collaboration Meeting"
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(Created page with "=== Where / when === Nottinghack, studio; 2017-09-15 (Fri), 19:15 ish === Agenda === * Basic architecture ** Do we have central brain box, or stand-alone targets / guns? *...") |
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| − | + | ''Where / when'': Nottinghack, studio; 2017-09-15 (Fri), 19:15 ish | |
| − | + | ''Attendees'': Ian D, Matt L, Daniel S, Mouse. | |
| − | === | + | === Proceedings === |
| − | * | + | ==== Sensors ===== |
| − | ** | + | |
| − | ** | + | The obvious choices are optical: infra red or visible lasers. |
| − | ** | + | |
| + | * The signal can/should be modulated somehow to send a little bit of data | ||
| + | ** Could just be some way to ensure light comes from a gnu rather than some other light source | ||
| + | ** Could also include some unique ID for a specific gun, so targets may know who shot them | ||
| + | * How do IR sensors respond to daylight? The targets will be in a marquee, but there may well be daylight flooding in, and they will be facing to the door / open section | ||
| + | * We could try to get hold of some sort of Quasar-like system, or find an open source Quasar-like project to work from. For sure this already a solved problem | ||
| + | |||
| + | |||
| + | ==== Possible target effects ==== | ||
| + | |||
| + | * Squiring water | ||
| + | * Air vortex | ||
| + | * Bubble machine | ||
| + | * Smoke machine | ||
| + | * Bell / clang | ||
| + | * Chicken house | ||
| + | * Nerf gun (how to reload?) | ||
| + | * Runble / vibration | ||
| + | * Spinning things | ||
| + | * Play audio | ||
| + | * Projector / game, e.g. Tetris | ||
| + | |||
| + | |||
| + | ==== Networked vs. standalone targets ==== | ||
| + | |||
| + | Networking targets with RS485/HC12/other technology, pros: | ||
| + | |||
| + | * Can have more sophisticated play | ||
| + | * Can have per-player scores | ||
| + | * Central brainbox can do things like tweeting etc, while keeping targets simple / cheap | ||
| + | * Would want string isolation of target logic and effects (i.e. motors and other loads should be self-powered and create minimal noise on serial bus) | ||
| + | |||
| + | |||
| + | ==== Beginnings of as basic target board ==== | ||
| + | |||
| + | * optical sensor | ||
| + | * low-cost micro controller | ||
| + | * place for relay | ||
| + | * RS485 connection | ||
| + | |||
| + | When hit, these basic target boards would do some standardised action, like trigger the relay for 1 second. The isolated side of the relay would be connected to whatever mechanism the maker of the target needs to create an effect. | ||
| + | |||
| + | ==== Case-study effects ==== | ||
| + | |||
| + | We talked through how some effects might be implemented to see if that would fit with the basic target board concept... | ||
| + | |||
| + | ===== Spinning tea-pot ===== | ||
| + | |||
| + | * basic target board connected to effect by relay | ||
| + | * effect would have microcontroller + motor driver + motor + the physical teapot | ||
| + | * relay would connect a pulled-up data pin to ground | ||
| + | * arduino controls motor to spin teapot | ||
| + | * triggering would be limited to one trigger per second or however long the target board takes to reset | ||
| + | * arduino code would have to be able to re-trigger half way though performing the effect, and handle this gracefully | ||
| + | |||
| + | ===== Water shooter ====== | ||
| + | |||
| + | Thinking through how to implement the classic hillbilly rifle shooter | ||
| + | |||
| + | * When hit, turns manikin towards shooters, squirts water at them, turns back | ||
| + | * Might want to know WHICH gun shot it - would need to get ID of gun from RS485, so can't just be connected to relay | ||
| + | * Could put it on the RS485 bus, listening for events from the right target and extracting gun ID from traffic | ||
| + | |||
| + | ===== Tetris ====== | ||
| + | |||
| + | * Projector / large screen with Tetris | ||
| + | * Four targets perform spin and move operations | ||
| + | * Would probably be implemented with an RPi | ||
| + | * GPIO inputs from four separate relays, or could monitor RS485 traffic | ||
| + | |||
| + | ===== Sequences ====== | ||
| + | |||
| + | * Special combos might trigger extra effects (e.g. setting off a sub-set of the targets simultaneously) | ||
| + | * Would require targets to be able to be triggered from central brainbox (i.e. over RS485) | ||
| + | * Maybe all targets should be triggered from RS485 | ||
Revision as of 15:59, 18 September 2017
Where / when: Nottinghack, studio; 2017-09-15 (Fri), 19:15 ish
Attendees: Ian D, Matt L, Daniel S, Mouse.
Proceedings
Sensors =
The obvious choices are optical: infra red or visible lasers.
- The signal can/should be modulated somehow to send a little bit of data
- Could just be some way to ensure light comes from a gnu rather than some other light source
- Could also include some unique ID for a specific gun, so targets may know who shot them
- How do IR sensors respond to daylight? The targets will be in a marquee, but there may well be daylight flooding in, and they will be facing to the door / open section
- We could try to get hold of some sort of Quasar-like system, or find an open source Quasar-like project to work from. For sure this already a solved problem
Possible target effects
- Squiring water
- Air vortex
- Bubble machine
- Smoke machine
- Bell / clang
- Chicken house
- Nerf gun (how to reload?)
- Runble / vibration
- Spinning things
- Play audio
- Projector / game, e.g. Tetris
Networked vs. standalone targets
Networking targets with RS485/HC12/other technology, pros:
- Can have more sophisticated play
- Can have per-player scores
- Central brainbox can do things like tweeting etc, while keeping targets simple / cheap
- Would want string isolation of target logic and effects (i.e. motors and other loads should be self-powered and create minimal noise on serial bus)
Beginnings of as basic target board
- optical sensor
- low-cost micro controller
- place for relay
- RS485 connection
When hit, these basic target boards would do some standardised action, like trigger the relay for 1 second. The isolated side of the relay would be connected to whatever mechanism the maker of the target needs to create an effect.
Case-study effects
We talked through how some effects might be implemented to see if that would fit with the basic target board concept...
Spinning tea-pot
- basic target board connected to effect by relay
- effect would have microcontroller + motor driver + motor + the physical teapot
- relay would connect a pulled-up data pin to ground
- arduino controls motor to spin teapot
- triggering would be limited to one trigger per second or however long the target board takes to reset
- arduino code would have to be able to re-trigger half way though performing the effect, and handle this gracefully
Water shooter =
Thinking through how to implement the classic hillbilly rifle shooter
- When hit, turns manikin towards shooters, squirts water at them, turns back
- Might want to know WHICH gun shot it - would need to get ID of gun from RS485, so can't just be connected to relay
- Could put it on the RS485 bus, listening for events from the right target and extracting gun ID from traffic
Tetris =
- Projector / large screen with Tetris
- Four targets perform spin and move operations
- Would probably be implemented with an RPi
- GPIO inputs from four separate relays, or could monitor RS485 traffic
Sequences =
- Special combos might trigger extra effects (e.g. setting off a sub-set of the targets simultaneously)
- Would require targets to be able to be triggered from central brainbox (i.e. over RS485)
- Maybe all targets should be triggered from RS485