Replies: 16 comments 73 replies
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How much time it took for that image to burn in? How long it was statically displayed for? Is the antiburn helping in making it disappear? I don't have such a device but a good testing approach would be to try with cycles:
Then repeat the test by burning another image in (preferably in another area of the screen) and try to run antiburn in one go for the time approximated above... Another thing to consider would be to develop an additional, a bit more aggressive antiburning where the algorythm would draw pixels next to each other at inverted (or random) colors. Because tensioning of the pixels also tends to distribute to neighbors too. Tensioning neighbor pixels at different levels is very effective training for them. https://giphy.com/gifs/television-video-l1J9EdzfOSgfyueLm/tile |
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I've exact same issue with my device. Only time seems to have a positive effect on this ghosting effect. Also noticed some shadow effect as well. Large objects with high background contrast tend to leave a trace (light shadow) to the right of the object. |
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Did another test today. Left plate on the openHASP logo for several hours (bright white on grey background) I'll try out some anti burn-in automations and see what has the best effect. |
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Im working on a 3d-printed bracket that will allow this display unit to be mounted onto a wall without the power/relay back module. Some random notes
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Hi guys.
Here is the code: https://github.com/strange-v/WT-86-32-3ZW1_LVGL Maybe you'd have recommendations in what direction to dig? Thank you in advance. |
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FYI WT86-32 is currently unavailable from Wireless Tag. Rgds. |
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Ive added a proximity sensor to mine, and it works great. Used a pre-made module, APDS9930. Custom code using the arduino library for the APDS9930 and check every 250ms for proximity over 800 and if so, trigger a wakeup (dispatch_wakeup()) of the openHasp. I did not use the interrupt functionality, but it probably would of been a better approach (maybe v2). |
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Has anyone noticed this GS-T3E before on Alibaba ? I guess the only SoC that would make sense to use in such a device (that matches the CPU data) is an ESP32-S3 or.... ? |
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There are no S3 build yet, but I don't expect any show stopper issues. Just be aware that the On the other hand, the SD card slot might be repurposed for Ethernet, but will require some HW hacking. |
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Yep i noticed that |
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I've decided to order some samples of this device. Living life on the edge... 🤣😁 |
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Wireless Tag has finally the new WT32S3-86V SKU ready for shipping 🎉 New discussion thread has just been created for this new SKU: #435 Device Alibaba link |
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Has anyone got a WT-86-32-3ZW1 Schematic/Gerber I could borrow? Trying to make another PCB to utilize more of the inputs. |
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Hello, I'm new to the WT-86-32-3ZW1, and I'm trying to figure out how to flash firmware onto it and create an interface. I have experience with the ESP32 but only using the Arduino IDE. I want to use it to display data from some sensors, such as temperature, humidity, depth sensor, among others. I would like to know if it's possible. |
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I've updated the WT32S3-86V thread with some info on both the Panlee UR and AR versions and links to the datasheets as well |
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This thread is to discuss user experiences and best practices for using the Wireless-Tag WT-86-32-3ZW1 device with openHASP.
Introduction
The Wireless-Tag WT-86-32-3ZW1 is a 86x86mm touchscreen with 4 relays that can be mounted in a standard 86x86mm wall-box.
It is currently only available from Alibaba for around US$40 excluding shipping.
Flashing
All pins are conveniently broken out on the 2mm pitch female header:
Connection diagram:
Make sure the USB port can deliver enough power. It is best to use a powered USB hub since most PC ports can not power the whole device.
Adapter board for easy flashing:
Use esptool.py to flash the latest development build of openHASP onto the device (Actions tab > Last build > Artifacts > Wireless-Tag.zip)):
Issues
The main issue we've noticed is temporary ghosting on the display reported by multiple users.
When showing a UI with white/cyan/bright colors on a dark background, a ghost of these bright colors lingers on the screen for some time after changing pages.
The QR-code from the initial setup screen is still clearly visible after reboot:
The ghosting is noticeable in normal conditions after the image has been static for several minutes, which seems to indicated a severe quality issue with the TFT panel used. Please comment below if you also have noticed this issue with a photo if possible. Thanks!
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