Posted on Monday, June 27th, 2011 in web platforms by Ian
A lot of questions are coming through the Thermal Tweeter. Here’s some answers:
- How many rolls? About 1/day on Thursday, Friday, Saturday. 2.5 on Sunday, and it ran out twice for a few hours. Also, about 2/day of this variety.
- The printer uses thermal paper in rolls. It doesn’t use ink.
- Rolls were 5 for a buck, cheaper in bulk. We have to stock up today.
- The paper has red stripes for a few meters from the end.
- Average delay from tweet to viewing it print is around 30 seconds. The printer checks for new @mentions every 30 seconds. There’s about 15 seconds of USTREAM delay too.
- Only standard ASCII characters will print. Unicode is filtered out by the web platform when it processes the tweets. The printer does support a few extended characters, but not unicode. There’s no direct translation from unicode numbers to the extended characters supported by the printer, it would be a real pain to deal with that.
- The printer knows when the paper is gone and stops printing.
- All the tweets are in a pile on the floor, we’ll give some away at end
- Almost 4 days of non-stop USTREAM using Adobe Flash Media Live app and a Firewire DV camera. As long as we keep the preview window minimized it doesn’t crash…
- We don’t mind if you want to use a lot of paper or tweet via script, it makes it more interesting for people watching the USTREAM.
- It cost about $100. The printer was $50 at SparkFun. The Web Platform is $40 at Seeed Studio, but we built our own.
See the design overview, and read the first system update.
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