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Immediate questions raised include "Which one?" and "Why aren't you telling me which one in the first place?!". Particularly so for a product that is supposed to be open source.
There's major differences between ESP32 modules. E.g. only some of them are on RISC-V CPUs. The others use a CPU which is less common and less well-supported by open toolchains.
I know that this is completely off-topic but I need to know: how do you make a HN post that has a link _and_ text at the same time? Seems like this form[1] does not allow that. [1] https://news.ycombinator.com/submit
Fill in the first two entries for Title and URL and have "Show HN: " in the beginning of the title, that should work (or Show HN submissions, not sure about other kinds of posts.
I've tried looking, but can't find a good battery for it. Could you maybe link a few examples in the FAQ?
For a higher capacity, we recommend https://www.adafruit.com/product/258 but you will have to cut and swap the connections since the connector is of the opposite polarity.
Hope that helps!
This looks really nice. Does it contain a touch screen? I'm assuming not since I can't find mention of it.
It does not. Touch screen e-paper displays (like Kindles) are too expensive, consume significantly more power and have a noticeable lag in the response when you try to use them. paperd.ink is more of an output device.
>powered by an ESP32 module Immediate questions raised include "Which one?" and "Why aren't you telling me which one in the first place?!". Particularly so for a product that is supposed to be open source. There's major differences between ESP32 modules. E.g. only some of them are on RISC-V CPUs. The others use a CPU which is less common and less well-supported by open toolchains.
This looks really nice! And congrats on the grant! The product comes already assembled or it is a kit? If not, do you plan to sell it in kit form? For us that can't 3D print or build PCBs but want to tinker with it.
> paperd.ink has a 4.2” e-paper display If your target market is the whole world, please also provide dimensions using the metric system. For most of the world, inches don't mean anything. 4.2” is approx. 10.7 cm.
Ah missed this. Have updated now. Thanks!
Maybe also X cm x Y cm
Earlier quoted context omitted.
Ah missed this. Have updated now. Thanks!
> (~10.7cm) Maybe also X cm x Y cm