I’m trying to use a Gantch door and window sensor on my Smartthings network. The (Zigbee) device pairs and shows up on the network but the driver is “zigbee-thing” and it doesn’t report any attributes. The manufacturer’s Amazon page claims it’s “compatible with SmartThings” and I suppose strickly speaking that’s true, but it’s not useful as is. What information do people need in order to see if it can be used with one of the existing Edge drivers (I’ve had a SmartThings hub for a long time now but this Edge driver thing is totally new to me).
The community FAQ might be helpful to you.
FAQ: I have no idea what Edge is. Is that a new developer tool? (2022)
The short answer is it that’s a re-branded Tuya device, but using the Gantch manufacturer code, so you may need to ask the community developer to add that fingerprint in order to get their custom edge driver to work. After that, it probably will.
Read the FAQ, then try the following custom edge driver.
If it doesn’t match, you’ll need to ask the author to add the fingerprint of your sensor. But there are a lot of other versions of that same device that do work with it, so I think yours probably will once the fingerprints match.
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Thanks, I’m already enrolled to Mariano’s channel - I think I did that about a year ago. When asking an author to add a fingerprint, which information does the author need? Also, which driver would be the appropriate one for this device? Is there a way for me to modify a driver and try it myself before bothering the author?
The FAQ will answer most of those questions. 
edge driver code is not publicly exposed by default the way DTH code was, so you usually have to start from the stock edge drivers if you want to create your own. But it’s not a big deal for a custom edge Driver author to add a new fingerprint, most are happy to do so. it’s just a line in a table.
The specific edge driver you want is the one at the link that I gave you above. From the first posted that link, the name is Zigbee Contact Mc. There are lots of other sensors with the same model number but a different manufacturer listed that are already in the fingerprint table for that driver, so I’m pretty sure it will work for yours once the right fingerprint is added.
Added to this driver version
───────────────────────────────────────────────────
Name Zigbee Contact Mc
Version 2023-09-18T16:32:29.388995325
───────────────────────────────────────────────────
- id: "_TZ3000_2jxwezhd/TS0203"
deviceLabel: TS0203 Contact Sensor
manufacturer: _TZ3000_2jxwezhd
model: TS0203
deviceProfileName: contact-battery-profile
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