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JavaScript for Microcontrollers
http://www.espruino.com
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Espruino
Espruino is an open source Javascript interpreter
for microcontrollers.
The Espruino board showcases Espruino best
The Espruino board showcases Espruino best
features of interactivity and great battery life.
It’s really easy to get started!
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Getting Started Demo
1. Open/Install Espruino Chrome WebApp
2. Plug-in your board
2. Plug-in your board
3. Start typing code!
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Espruino Software
• Purpose built JavaScript interpreter for µCs
• Open Source, C
• No Operating System
• Can run in less than 8kB RAM
• Can run in less than 8kB RAM
• Program using Terminal app
– Multi-line editing, command history in chip
– Serial or USB CDC
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Kickstarter
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Power Saving
Interpreter knows when it can go to sleep, and
how deeply.
• Naive LED flash on a 700mAh Li-Ion battery:
• Naive LED flash on a 700mAh Li-Ion battery:
– Raspberry Pi : 1-2 hours
– Arduino : 1-2 days
– Espruino : ~ 6 months
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8kB RAM
If it were displayed in 32 bpp...next to 16px favicon.ico
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Espruino Projects
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Demo
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Eclipse Orion
Tools for the web, on the web
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Orion + Espruino
Orion inside Espruino Chrome WebApp?
Espruino inside Orion?
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Orion + Espruino
Orion inside Espruino Chrome WebApp?
Espruino inside Orion?
Let’s Try
Both!
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Embedding Orion Editor
Instructions on planetorion really helped
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Embedding Espruino in Orion
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Tool Migration Path
New user Advanced User
Interactive commands Single editor Multi files, projects, git
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Demo: CyberPhysical System
Hardware + software + connected to cyber space
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The End
Questions?
[email protected]
@tracymiranda
Acknowledgements:
Gordon Williams @espruino
Jonah Graham