This is a Access Point for the OpenEPaperLink project, using a ESP32-S3 and ESP32-C6. Includes an interface port to flash your tags.
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I cannot edit the title in the headline, as it will break the page URL, but this is the OpenEPaperLink Mini Access Point v4 > Is it available? < > No worries, a big batch of them is on its way…
Read More…I cannot edit the title in the headline, as it will break the page URL, but this is the
> | Is it available? | < |
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> | No worries, a big batch of them is on its way! If you're interested in buying an access point, subscribe to the waiting list, and you'll get a notification when they become available again. Estimated arrival of the new stock is currently around May 24, so stay tuned, and thanks for your mental support! | < |
Basicly, this is a universal WiFi <-> IEEE 802.15.4 gateway, with a size smaller than a credit card.
You can use this set to setup your own E-Paper display system at home. The displays can display nearly anything. Just send a jpg file to the AP, and it can be displayed on one of the displays. The AP can generate all kinds of content itself too! Stuff like weather forecasts and the date can be shown on a tag, making for a nice dynamic little screen. It's also possible to use the AP with HomeAssistant thanks to an integration.
All details can be found here: OpenEPaperLink. With this Access Point and some displays, you have a fully working system.
New: the access point has a flasher port! Now, you can revive your tags after a firmware update goes wrong, or when you find compatible tags on eBay which are not preflashed yet.
If you just want to tinker with Thread or Zigbee instead, you can make this as a WiFi to Thread/Zigbee gateway, possibly use it together with Zigbee2mqtt. But no software is written for it yet, if you want to use it that way. Looking forward to see some nice implementations!
The AP is based on an ESP32-S3 and uses a ESP32-C6 as a radio interface. With the OpenEpaperLink software, the system uses unencrypted, Zigbee-like (IEEE 802.15.4) packets on 2.4Ghz. Thanks to a web-interface on the ESP32-S3, the accesspoint is fully self-contained to works together with electronic shelf labels that run the OpenEpaperLink firmware.
To build it, you need to mount the ESP32-S3 and -C6 module. You need smd soldering experience to do this. You can solder them by hand, but you need a good soldering iron with a very fine tip and steady hands. If you're not sure if you're able to handle this, it's better to order the assembled version. After building, you'll need to program the ESP32-S3 and the ESP32-C6 using the OpenEPaperLink Web Flasher or PlatformIO. The Access Point is powered by USB-C cable (not included)
As above, but completely assembled, programmed, and fully tested Mini-AP v4. No soldering needed. Connect a USB-C cable (not included), enter your WiFi details, and it's running. By the way, it's fully self-contained and doesn't use any cloud based service to work.
Although many people buy the tags already pre-flashed, and they can be updated over the air, it's sometimes necessary to connect the tags directly for uploading new firmware. For example, if you brick them by sending a wrong firmware file or if you get some tags that still have the stock firmware on them. Or, if you want to experiment with writing your own firmware. Until now, it was especially finicky to align the pogo pins with the programming pad. This flasher makes it a lot easier.
You will receive, to your choice, the parts ('kit') or the completely assembled jig, based on pogo pins. It can upload firmware to the most common Solum tags (based on ZBS243 and nRF52811 mcu's). It comes with a cable + connector jig for the custom pin-out constellation that those Electronic Shelf Labels use. The connector jig to hold the pogo pins is 3D printed out of nylon. It is temperature rated 175℃ (347°F), so it will survive the soldering.
This jig is to be used as a temporary connection to the tags: you hold the connector in place, while the firmware is flashed. If you need a more permament connection, for example when developing firmware, there are other jigs to 3D-print yourself, which are different for each tag type.
In autoflash mode, it uses the web interface to automatically download the right firmware files from github, and flash your tag (currently M2 type tags only). In advanced mode, you can use the command line script OEPL-Flasher.py
to communicate with the tag (both M2 and M3 type tags).
I don't have a source for the electronic shelf labels to sell with them anymore. :-( So, you have to get your own displays. See the OpenEPaperLink github for compatibility.
This is hobby-DIY-maker stuff, made by a hobbyist. Please don't use this where its functioning or malfunctioning may cause, or lead to, directly or indirectly, damage to property, damage to life or limb, or psychological distress. I'm no lawyer, but I basically don't want to get sued over providing people with some nice toys to tinker with.
On the pcb, you will find a footprint for a CC1101 module. There is no software for it yet, but if you're feeling creative, do experiment! ;-)
The OpenEPaperLink software is open-source. Contributions to the project are very welcome! I invest a significant amount of time in software development for the OpenEpaperLink project. The software is free, but when you purchase this hardware, you directly contribute to making this possible. Thank you for your support!
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Many of the products are built on-demand. I do my best to ship as quickly as possible, but It might take a couple of days before I build your order, depending on work, weekends, travel, etc. Let me know if you're in a hurry!
Only if you're located outside the EU: Goods are dispatched from the Netherlands and will have a customs CN22 form attached. Some countries may charge import and/or local taxes when receiving goods from abroad. In some cases, the carrier may charge a fee to collect these taxes from you. These fees are not included in the item price or shipping charge, you are responsible for these fees and it is your responsibility to check with your countries customs and tax authorities before making a purchase.
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