Skip to main content

Reverse engineering the Tuya WiFi IR Remote

Three devices.
They all do the same thing (IR Transceiver) using the same app (Tuya smart home?)
I hate apps. These are Bluetooth/wifi devices.
They could simply host web pages and an API. Instead you must use their app. To that I say NO! So let's find out what makes them tick.
There's no screws on these, so time to bring out the opening tools.

Not bad. Just a few clips. A wiggle here and a wiggle there and it's open. The IR Filter plastic doesn't look transparent at all, and it's kind of thick.
I tested the IR filter with my IR fan remote, it worked perfectly.
Here are pictures through the filters.
I'm no light spectrum'ologist person, but wouldn't the pinkish one be a better filter?
First look at the PCBs, Two have the same CBU WiFi module, one is different, the w3bs.

E3s with CBU Module:

LQ-Y06 with WB3s Module:

S06-C with CBU Module:

If you're looking to connect these to HomeAssistant, this is one of the methods:
https://github.com/rospogrigio/localtuya

I'm also told that the WB3s module has the same footprint of the ESP8266 so it should be easy to drop it in and flash.
Modification of one of these is to be continued.

Comments

Post a Comment

Popular posts from this blog

Reverse Engineering a Wand Vibrator

You ever want to take apart something prohibitively expensive and find out what's inside? I do, all the time. Lucky for me this cast aluminum massager is broken (it won't turn off). So I get to try to fix it (hopefully). It's likely just a bad mosfet. But it'd be fun to upgrade. It's surprisingly low power. 19.5W, 13v @ 1.5A 13v is a bit strange to see, but whatever. Could very likely be replaced by a 12v supply without significant loss in power. One screw came out halfway and appears to stop. Maybe it has a retaining clip? The other at the end won't budge. Time for a bigger screwdriver. It took a bit of prying. The retaining ring is glued on (I was worried it was screwed on). A bit of wiggling and it's free. The screw that I thought had a retaining clip actually has a screw standoff to hold the PCB in. I might try to take them apart, but it's not necessary to. And now for what you've all been waiting for. It's an incredibly simple...
Post a Comment
Read more

Engineering my cat into keychain charm.

 Cats. What can I say that hasn't already been said. But this is about a process to turn a picture of my cat into a lithophane. The difficulty: the shape should match the outline of the cat. To go about this I needed 4 tools: image editing software, an image to lithophane converter, Inkscape, and a STL editor. The first step was to isolate my cat in the picture: This was probably the most time consuming aspect, carefully tracing her outline and removing the background. For this I used paint.net but you can use whatever you are familiar with. The result: After isolating her I also made a 2nd image, which will be used later for creating the outline. This image is simply the area where the background was but filled black, the inverse of above. You can see I smoothed the edges a bit too: The next step is to use a lithophane generator to create the STL. My favorite is:  http://3dp.rocks/lithophane/  . You will want to use a flat model, turn off the border, and set base/stand d...
Post a Comment
Read more

Engineering a Project List

I like to make things. I also have ADHD. The two of them don't always go together. I sometimes get ideas on what I want to make, get really into it, start a few things like ordering parts and a design, and maybe even assemble a few parts. And then I find something new. Something shiny and interesting. It's easy for me to burned out on a project, expending all my energy into it until a point of exhaustion. Or getting stuck due to lack of parts, lack of ideas on how to continue, or a lack of tooling. To combat this, I've decided to make this blog post, which I will update from time to time with my current projects, and what is keeping me from completing them. Hopefully having them listed out will allow me to sort through them, work on what I can, and get what I need to complete what I can't. So without further ado, I bring you... The Project List: CoreXY 3d printer build Lap Bed plate flat Assemble Z Axis Ballscrew Assemble Extruder Carriage...
Post a Comment
Read more