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# Spider2 | ||
# SICK Spider | ||
A new board design for the amazing [COATI Spider project](https://coati.pimienta.org/electronics/spider/), a small portable device for simultaneous interpretation. | ||
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 | ||
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# Redesign Goals | ||
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## Changes compared to the COATI spider | ||
- way less noise | ||
* avoid interferences from radios and other channel | ||
* balanced microphone inputs | ||
* filtered power from AC power supply | ||
* PCB with a groundplane for less | ||
- Modern and better available components | ||
- Some battery level indicator | ||
- battery level indicator | ||
- better gain control range | ||
- In-place replacement in the same case | ||
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# Status | ||
First prototype works beautifully except some radio interferences. Second prototype board with hopefully much better EMI (Electromagnetic interference) characteristics is on the way. if this is good enough, this version will be the 1.0 and built in series :) | ||
- USB-C port for power supply | ||
- way longer battery runtime (8-50h) | ||
- easier available components | ||
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# Outlook | ||
- Around 40€ for a new spider and 20€ for an upgrade board (reusing some of the old parts) | ||
- Only one new cutout in the case to be made for an upgrade (-> USB-C Port for charging/powerbank ♥) | ||
- 8-40h of battery runtime | ||
- There should be no noticeable noise at all :) (when used with an XLR to stereo jack microphone cable for "balanced" audio) | ||
- A few components are more difficult to solder ("SMD"), as many modern chips are no longer available in large size ("trough hole") | ||
## Costs | ||
- roughly 40€ for a new spider and 20€ for an upgrade board. | ||
- An existing COATI spider case can be reused, only one additional cutout for the USB-C port is required. | ||
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# Documents | ||
| Revision | Documents | ||
|-------------------|-------------------| | ||
| 0.2-prototype | [BOM & Boardview](https://alangecker.github.io/sick-spider/output/0.2-prototype/spider2-ibom.html), [Schematic]((https://alangecker.github.io/sick-spider/output/0.2-prototype/spider2-schematic.pdf) | ||
| 0.1-prototype | [BOM & Boardview](https://alangecker.github.io/sick-spider/output/0.1-prototype/spider2-ibom.html), [Schematic]((https://alangecker.github.io/sick-spider/output/0.1-prototype/spider2-schematic.pdf) | ||
## Documents & How-To's | ||
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#### Version 1.0 (Documents work in progress) | ||
- Ordering | ||
* [Parts list](https://pad.kanthaus.online/sick-spider-parts-list) | ||
* Gerber files: [JLCPCB](https://alangecker.github.io/sick-spider/output/1.0/JLCPCB/spider2-JLCPCB.zip) | ||
- Building instructions | ||
* [Part 1: soldering “SMD” components](https://pad.kanthaus.online/sick-spider-instructions-part1) | ||
* [Part 2: soldering "trough hole" components](https://pad.kanthaus.online/sick-spider-instructions-part2) | ||
* [Part 3: building the case](https://pad.kanthaus.online/sick-spider-instructions-part3) | ||
- [Debugging](https://pad.kanthaus.online/sick-spider-instructions-debugging) | ||
- [Boardview and BOM](https://alangecker.github.io/sick-spider/output/1.0/spider2-ibom.html) | ||
- [Schematic](https://alangecker.github.io/sick-spider/output/1.0/spider2-schematic.pdf) | ||
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# License | ||
GPLv3 (=open source) | ||
## License | ||
GPLv3 (=open source♥) |