LED strip control with D1 Wemos + IR TSOP1736 by Domoticz

Question

Hello I want to use the D1 Wemos module to control an LED strip. The functions are to be as follows: - On/OFF - brightness adjustment (e.g. from 1% to 100%) D1 module connected to Domoticz. In addition, I want to connect an IR receiver (e.g. TSOP1736) to the GPIO of e.g. D3 so that I can perform...

Slawek K. · Accepted Answer

ESP Easy can be controlled by PWM. You do this by calling up the URL as follows : Where 13 is the GPIO pin number and 500 is the PWM fill value between 0-1023. You can also specify short pulses : - one pulse lasting 500ms on GPIO 14 Of course, beforehand you have to set the pins accordingly in the ESP Easy configuration (as output). You can also control HIGH/LOW states or servos. More can be found here : As far as IR handling is concerned, there is such a possibility - TSOP4838. You can assign specific rules to the port it is connected to. Log into ESP Easy, go to the Tools tab, select Advanced and put a tick next to Rules. You will then see an additional tab called Rules, where you can define local rules. Example (from the web) : Switch Input named Button. Code: text Expand Select all Copy to clipboard on PrzyciskOn do gpio 12,1 gpio 13,0 inputswitchstate 0,1 endon on PrzyciskOff do gpio 12,0 gpio 13,1 inputswitchstate 0,0 endon on Przycisk#switch do if [Przycisk#switch]=1 event PrzyciskOn else event PrzyciskOff endif endon . And again to read the literature Greetings

Slawek K. · Accepted Answer

I'll take a look in my spare time and try to help you out. Best regards

Slawek K. · Accepted Answer

There is a bug, reported on github, I had the same problem, upload mega from 2018.12.04, in later versions there is this bug. Greetings

khoam · Accepted Answer

Maybe connect the power supply to the TSOP as DS recommends to start with: .

Anonymous · Answer

I made a PWM LED on a D1 Wemos, control via an app on Android via http so this part works.

maystero · Answer

Super. Thanks for the tips. Of course, I guessed that you would have to use the Rules option to operate the IR remote. Just wondering... If I use the 4 buttons on the remote. 1. ON 2. OFF 3. LOWER 4. DARKER Then how do you capture the RC commands and how do you place them in the RULES?

maystero · Answer

I have started PWM control Code: C / C++Log in, to see the code . Admittedly Domoticz does not support this type of control, but the idea itself works. The question of IR control remains.

maystero · Answer

. Any luck? I have the device prepared for testing as shown in the diagram....

maystero · Answer

I found this description on googling: Unfortunately there is no IR Input option on my ESP Easy Mega. Why? OK I found it! You need to upload a BIN with IR support. E.g. Code: C / C++Log in, to see the code . Hym.... only I don't know why there is no support for the command in this version: Code: C / C++Log in, to see the code . gets a return: Code: C / C++Log in, to see the code .

maystero · Answer

Actually the download to an older version restored the functionality of the ESP. I was able to get the TSOP4838 working. The circuit works because when I send the RC5 remote control signal: Code: BashLog in, to see the code . So I wrote RULES Code: BashLog in, to see the code So that it switches the state on GPIO 12. But something is not working. I don't know if a badly written rule or if ESP is reading RC5 wrong.

Slawek K. · Answer

You have endon unnecessarily, but try it like this : Code: C / C++Log in, to see the code .

maystero · Answer

Super! Thanks. Works . I have extended this script, so that the 4 GPIO outputs can be controlled from the IR remote control Code: BashLog in, to see the code . Only the script does not work as I would like; Because when I press key 1 it activates GPIO 14. And when I press key 2 it activates GPIO 12 but deactivates 14 Code: BashLog in, to see the code .

Slawek K. · Answer

Put all IF instructions in one ON event. Right now I'm typing from my phone so I'm uncomfortable, if anything, I can't help until the evening, but rest assured you can do it. It works as you wrote, else causes a switch off when the button is not the right one. Inside the IF you need to place another IF that checks the state of the GPIO and changes it to the opposite. Greetings

maystero · Answer

I have corrected this script as you advised. I hope this is what you meant? Code: BashLog in, to see the code . Despite, all the effect as early on. I checked the Tutorial but I didn't adjust anything

Slawek K. · Answer

I understand that you want the state of the pin to change to the opposite when the remote control button is pressed, yes ? Greetings

maystero · Answer

. Yes, i.e. I press key_1 GPIO,14 changes to the opposite state. GPIO 12, 16, 13 unchanged. I press key_2 GPIO,12 changes to the opposite state and GPIO 14, 16, 13 unchanged. Same with the other keys 3 and 4. I suppose it is impossible to do this using IF.

Slawek K. · Answer

Add Dummy Device : . This will be the variable into which we will store the state of the button. The instruction will look like this : Code: C / C++Log in, to see the code . For each pin you will need to add a Dummy device (variable, otherwise named), correct the task number and add this to the other IF instructions. Greetings

maystero · Answer

This is what my variables look like script: Code: BashLog in, to see the code . I slimmed down to two keys to make it easier to test. The script works as in the examples above.... EDIT: I noticed that I made a typo: Code: BashLog in, to see the code . and it should be Code: BashLog in, to see the code but no effect

Slawek K. · Answer

Square brackets, not curly brackets.

maystero · Answer

I made typos.... I corrected the script Code: BashLog in, to see the code now it works like this: I press key 1, it changes GPIO 14 to the opposite (to 1) I press key 2, it changes GPIO 14 to the opposite (to 0) press key 2 (again), changes GPIO 12 to the opposite (to 1) press key 1, it changes GPIO 12 to the opposite (to 0)

Slawek K. · Answer

Where do you check the pin states ? In the log ? Check physically e.g. with a pin meter. Best regards

maystero · Answer

. I have LEDs connected to GPIO 14 and 12. The whole thing is watching how the LEDs behave

Slawek K. · Answer

Since there are problems with this firmware mega, upload R147 , it is in device TSOP4838. And let's check on this version., at me it works best in the drivers, and I have a dozen of them at home. I think I have this diode somewhere in the house so I will try to test it, but only in the evening. Greetings

maystero · Answer

. I have uploaded the R147 version. After initial configuration I see that the TSOP does not work as expected: Code: BashLog in, to see the code . I press the same key on the RC remote control. Specifically it is the 1 key (rc5 philips) In the Log I get some random values of IR_RECEIVER#IR If I don't come up with anything I'll go back to ESP_Easy_mega-20181204_normal_IR_ESP8266_4096.bin EDIT: I messed around and got this version of the R147 version working. I added the Dummy Device I took another RC remote (this time from LG - it works better than from Philipis) I tweaked the script again: Code: BashLog in, to see the code . The result, it works as I described above. I.e.. I press key 1, it changes GPIO 14 to the opposite (to 1) I press key 2, it changes GPIO 14 to the opposite (to 0) I press key 2 (again), it changes GPIO 12 to the opposite (to 1) press key 1, it changes GPIO 12 to the opposite (to 0)

Slawek K. · Answer

So how about this, in the controller located in the light switch box I have this configuration on R147 : . . BUTTON is the button I use to switch the light on/off - in your case it's the button key, and LIGHT is the relay pin. When the state is changed (0 or 1) i.e. the BUTTON#Switch event is called, the state of the LIGHT#Switch pin which turns the relay on/off is checked and the state is changed to the opposite. The rules look like this : Code: C / C++Log in, to see the code . The toggle event is called remotely by Domoticz as follows : and does exactly the same as the event on BUTTON#Switch do, and everything works perfectly, I have it in all the rooms, I have changed the switches to pulse (staircase) switches and it works in parallel when the button is pressed or through the switch in Domoticz, and always changes the state to the opposite, no matter which option I use. So try this method, instead of Dummy Device add Input Switch j.w for each pin you want to control. Greetings

maystero · Answer

Current status: I press the 1 key on the RC remote control: . I press the 2 key on the RC remote control: It is better because I press key 1 GPIO 14 = 1 I press key 2 GPIO 14 = 0 and GPIO 12 = 1 I don't understand why the function of key 1 affects key 2 ? Code: BashLog in, to see the code . edit: struggle and fight noticed that: Code: BashLog in, to see the code . when I have only a rule for one GPIO and I send IR=2017267209 it changes the state to 1, but sending IR=2017267209 again does not change the state to the opposite. The LED does not go off. It only goes off when I press another button on the remote.... what is wrong with this syntax?

Slawek K. · Answer

You are missing the endif closing condition. Check like this : Code: C / C++Log in, to see the code .

maystero · Answer

Hello Late at night, I also noticed it was missing: Code: BashLog in, to see the code . I have added it to the RULES: Code: BashLog in, to see the code . It works as I described in the post above. And LOG Code: BashLog in, to see the code You can see that it didn't change the state to the opposite.... as if it did not change the Switch_1 value Added after 12 [hours] 30 [minutes]: I don't know what's going on anymore myself. I have assembled a second circuit. I am using a TSOP1736 for testing. The ESP in the DEVICES list has a TSOP4838. Could this be influencing this strange behaviour of the circuit?

maystero · Answer

Hello I would like to get back on topic as I have not been able to solve the problem. I have purchased a TSOP4838. I found some time I connected to the ESP, according to the schematic: . I connect the power via USB, no signal falls on the IR receiver. And in the LOG Code: C / C++Log in, to see the code . There is an awful lot of this interference! Full of random waveforms (EVENT: IR_RECEIVER). I don't know what I'm doing wrong and where the error lies. Anyone who knows, anyone who has seen please help.

LED strip control with D1 Wemos + IR TSOP1736 by Domoticz

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