Serial MCU controlled relay/switch

[nygma]

If someone would like test it. Compiled using recent sources (core 2.4.1)
I compiled it with PUYA patched Esp.cpp
It should by work with differ than PUYA flash IC too.
To fit in 1MB II got rid of some plugins that I think it can not be used with serial controlled boards.

Hi Xury,

I have an LCTech Relay X2 (2 relay module). The stock firmware on the MCU and ESP worked, I was able to control the relays with HEX codes over TCP. I flashed your ESPEasy_1M_128kSPIFFS_PUYA.bin to the ESP-01 (not a PUYA chip). ESP Easy works. I configured it in the following way:
Device: Serial MCU controlled switch
Name: Relay
Enabled: X
Switch type: LC TECH
Number of Relays: 2
Serial speed: 9600
Use command doubling: NO
Send to Controller: X
Interval: 0
Names: Relay0, Relay1, Relay2

I also configured a OpenHAB MQTT controller. I am trying to send 0 and 1 to /LCTech/Relay/Relay0 but nothing happens. The device and MQTT definitely works as I am getting the RSSI and update messages from the System Info devices that I have also created. When I am sending the MQTT messages to the above relay topics, nothing is appearing in the Log.

How can I check this further? Can I switch the relays from the Webserver?

Thanks,
Csongor

[enesbcs]

I have an LCTech Relay X2 (2 relay module). The stock firmware on the MCU and ESP worked, I was able to control the relays with HEX codes over TCP. I flashed your
...
I also configured a OpenHAB MQTT controller. I am trying to send 0 and 1 to /LCTech/Relay/Relay0 but nothing happens. The device and MQTT definitely works as I am
...
How can I check this further? Can I switch the relays from the Webserver?

You have to implement MQTT support if you wish to use it.

Currently the plugin can be used with the following commands:

The ON command for Relay0:
relay,0,1
The OFF command for Relay0:
relay,0,0
The ON command for Relay1:
relay,1,1
The OFF command for Relay1:
relay,1,0

Commands can be executed on the web interface directly, or in a user-written RULE, or with a HTTP URL:
http://ESPEASY_IP/control?cmd=relay,0,1

Or command through MQTT (from ESPEasy wiki)
<MQTT subscribe template>/cmd with payload: <command>

[nygma]

You have to implement MQTT support if you wish to use it.

Currently the plugin can be used with the following commands:

The ON command for Relay0:
relay,0,1
The OFF command for Relay0:
relay,0,0
The ON command for Relay1:
relay,1,1
The OFF command for Relay1:
relay,1,0

Commands can be executed on the web interface directly, or in a user-written RULE, or with a HTTP URL:
http://ESPEASY_IP/control?cmd=relay,0,1

Or command through MQTT (from ESPEasy wiki)
<MQTT subscribe template>/cmd with payload: <command>

Is it possible that this 2 relay module is somehow different? I tried the HTTP commands. First of all there is no HTTP response (empty head and body) (I am not sure if that is intentional or not).

I see the following in the log after I issue the HTTP command:
228095 : EVENT: Relay#Relay0=1.00
228097 : EVENT: Relay#Relay0=1.00 Processing time:2 milliSeconds
228098 : EVENT: Relay#Relay1=1.00
228099 : EVENT: Relay#Relay1=1.00 Processing time:1 milliSeconds
228100 : EVENT: Relay#Relay2=0.00
228101 : EVENT: Relay#Relay2=0.00 Processing time:2 milliSeconds
228110 : MQTT : /LCTech/Relay/Relay0 1
228110 : MQTT : /LCTech/Relay/Relay1 1

I am not sure why there are relay 0, 1 and 2 when I have configured that I only have 2 relays. But I guess that should not cause any issues.

[enesbcs]

Is it possible that this 2 relay module is somehow different? I tried the HTTP commands. First of all there is no HTTP response (empty head and body) (I am not sure if that is intentional or not).
...
I am not sure why there are relay 0, 1 and 2 when I have configured that I only have 2 relays. But I guess that should not cause any issues.

Yes, there are multiple variants of this relay, some of them also have hardware bugs. (power supply inefficient so they auto restart when relay is on)
relay number 0 is always the first relay, and 1 is the second one on every supported device, it does not matter how you name it - the commands using their hardwired number.
There will be no HTTP response, we never know if the command is succesfully completed, because there are absolutely no answer from the device, nor any option to check the relay active status. I can modify the code the output some meaningless text, such as "command completed", if anybody need it.

Now I can switch relay with 115200 baut.

According to riker 115200 baud is the necessary setting. Save than power off&power on the device, and check if it works. If nothing helps you can try other speeds, and for last resort: command doubling.

[nygma]

According to riker 115200 baud is the necessary setting. Save than power off&power on the device, and check if it works. If nothing helps you can try other speeds, and for last resort: command doubling.

WOW, man, it works! Thank you very much! Let me add a post here with the exact settings for anyone who comes around next time.

[enesbcs]

WOW, man, it works! Thank you very much! Let me add a post here with the exact settings for anyone who comes around next time.

Nincs mit. Nyugodtan posztold ide a beállításokat, jellemzően úgyse olvasnak vissza, inkább kérdeznek.

[nygma]

Nincs mit. Nyugodtan posztold ide a beállításokat, jellemzően úgyse olvasnak vissza, inkább kérdeznek.

Igen, és én is ilyen vagyok

[nygma]

This for anyone who would like to setup ESP Easy for a LCTech Relay X2 board. Thanks for the guys here for making this happen and helping me getting it working with my relay board.
I got mine from ICStation.com: http://www.icstation.com/esp8266-wifi-c ... 12593.html

My model came with a ESP-01 NOT with a PUYA flash chip. But the firmware is PUYA compatible, so it should work with an ESP-01 with PUYA

This is how my board looks like:

IMG_20180508_085722.jpg (383.79 KiB) Viewed 121579 times

And the back of the board:

IMG_20180508_085740.jpg (411.79 KiB) Viewed 121579 times

Flash ESPEasy_1M_128kSPIFFS_PUYA.bin firmware to the ESP-01. You can find the link to the firmware on Page 12 post #120 of this thread.

Perform the basic settings of the ESP Easy (wifi, etc.)
I set LCTech as my unit name (it will be important for MQTT later):

Esp_main.png (19.79 KiB) Viewed 121579 times

Add the following in the Device section:

ESP_device.png (53.75 KiB) Viewed 121579 times

Of course your can rename the Relay0, Relay1 names at the bottom. Ignore Relay2.

I set up MQTT with the following settings:

esp_controller.png (50.08 KiB) Viewed 121579 times

Save the settings and power cycle the relay board. When I power up the board, the red LED (D7) is lit and after a few seconds the green LED (D6) starts flashing. And it will stay that way. The board is ready to receive commands. So far I am controlling it via HTTP and MQTT the following way:

HTTP commands:
Relay 0 Off: http://ESP_IP/control?cmd=relay,0,0
Relay 0 On: http://ESP_IP/control?cmd=relay,0,1
Relay 1 Off: http://ESP_IP/control?cmd=relay,1,0
Relay 1 On: http://ESP_IP/control?cmd=relay,1,1

MQTT commands:
Topic: /LCTech/cmd (of course this may change depending on the Unit name)
Payload:
Relay 0 Off: relay,0,0
Relay 0 On: relay,0,1
Relay 1 Off: relay,1,0
Relay 1 On: relay,1,1

With the above setup, you will be getting MQTT messages on /LCTech/Relay/Relay0 or /LCTech/Relay/Relay1 topic with payload of 0 or 1 when the relay status is changed either via HTTP or MQTT. There is no status message back via HTTP. Keep in mind that this is not based on the actual status of the relay, as the MCU is not sending status information / confirmation back to ESP.

[angelo67]

Hello,
I have problems with the configuration, post programming
Configure the wifi connection, I wait for 20 seconds but when I try again
I do not go ahead, I always stay in the wifi configuration.
What programmer should I use for flash esp-01?
sorry for my english, I use google translator.
thank you

[enesbcs]

I have problems with the configuration, post programming
Configure the wifi connection, I wait for 20 seconds but when I try again
I do not go ahead, I always stay in the wifi configuration.
What programmer should I use for flash esp-01?

I used a CP2102 (not FTDI) in such connections to program it:

with DOUT mode and of course with the proper PUYA-safe binary.
If it stays in wifi config mode after programming, than power off&power on the module and retry.

[xury]

I can modify the code the output some meaningless text, such as "command completed", if anybody need it.

if it was not a problem, I would ask for such function because Domoticz need any response otherwise shows error.
It would be nice if the response would be in JSON format.
Üdvözlet Lengyelországból.

[angelo67]

Hi,

I used a CP2102 (not FTDI) in such connections to program it:
http://m.blog.hu/bi/bitekmindenhol/imag ... rele_2.jpg
with DOUT mode and of course with the proper PUYA-safe binary.
If it stays in wifi config mode after programming, than power off&power on the module and retry.

This is good?
https://www.ebay.it/itm/Convertitore-Se ... SwZ2Na8bKJ

and wich programmer software you use??

[enesbcs]

and wich programmer software you use??

esptool and nodemcu-pyflasher

[angelo67]

Whats the different to the file
ESPEasy_Mega_P165_1M_128kS_lwip20_PUYA.bin
and
ESPEasy_Mega_P165_1M_128kS_lwip14_PUYA.bin

[enesbcs]

Whats the different to the file
ESPEasy_Mega_P165_1M_128kS_lwip20_PUYA.bin
and
ESPEasy_Mega_P165_1M_128kS_lwip14_PUYA.bin

The first was compiled with the newer lwIP 2.0 stack, the other compiled with the old lwIP 1.4. The older supposed to be more stable, but you can try and see.

[enesbcs]

if it was not a problem, I would ask for such function because Domoticz need any response otherwise shows error.

Fair enough, Domoticz really shows an error, if reply did not arrive to the GET command. Now i am replying with an "OK" message, Domoticz error message disappeared.

It would be nice if the response would be in JSON format.

Exactly what JSON message did you mean, and for what purpose? Domoticz did not care about replies from "Switch" devices as i see.

[xury]

Yes you have right. Domoticz does not care about switch reply.
So simply OK will be good.

[angelo67]

Hi
now whit the CP2102 its ok
but one error :"Md5 check Fail!"
look the part of info page

Build 20102 - Mega
Libraries ESP82xx Core 2_4_1, NONOS SDK 2.2.1(cfd48f3), LWIP: 2.0.3
GIT version (custom)
Plugins 12 [Normal] [Testing] [Development]
Build Md5 4d44355f4d44355f4d44355f4d44355f
Md5 check fail !
Build time May 10 2018 21:39:17"

[enesbcs]

but one error :"Md5 check Fail!"

Maybe i have to inject somehow md5 hash into "runTimeMD5" after compiling, but honestly i I do not see its practical significance.
Until appearing more detailed information in here:
https://www.letscontrolit.com/wiki/inde ... are_Upload
this bug stays in "wontfix" category.
Or i will simply delete it completly before compiling if it will be annoying.

[countcobolt]

Hi all,

I just received a Jinvoo dual switch. I would like to install the ESP firmware yet I do not find any empty pin headers... Has anyone experience with flashing this device? Below are the pictures of the PCB board.

The attachment 20180617_131709.jpg is no longer available

20180617_131709.jpg (3.88 MiB) Viewed 119547 times

In case someone already flashed it, which binary file did you use?

Kind regards

Steve

[grovkillen]

Look at the wiki for the Sonoff Touch.

[grovkillen]

Sorry, I meant this one: https://www.letscontrolit.com/wiki/inde ... ff_DIY_1ch

[countcobolt]

Heyhey

Looking further : would I be able to use this to flash it? Looked at the above link, but don't have a 3.3 + GND on the print.

Would I be able to solder on the chip
https://docs.tuya.com/en/hardware/WiFi- ... e-mcu.html

pin 16/15 and 12 for comms and 8 and 9 to put 3.3V on it?

Kind regards

Steve

[countcobolt]

and don't bother going any further, I just literally burned some of the traces... To be honest, crappy PCB .

Still have a Sonoff Touch 2-gang to go with

Kind regards

Steve

[desprueht]

Hello,

I have a LCTech Relay X4 board. I installed ESPEasy on the ESP-01 (ESPEasy_1M_128kSPIFFS_PUYA.zip) and the first two relays are in function, but the last two relays are not contolled.
What can I do to use all four relays?

I would like to control with HTTP commands:
HTTP commands:
Relay 0 Off: http://ESP_IP/control?cmd=relay,0,0
Relay 0 On: http://ESP_IP/control?cmd=relay,0,1
Relay 1 Off: http://ESP_IP/control?cmd=relay,1,0
Relay 1 On: http://ESP_IP/control?cmd=relay,1,1
Relay 2 Off: http://ESP_IP/control?cmd=relay,2,0
Relay 2 On: http://ESP_IP/control?cmd=relay,2,1
Relay 3 Off: http://ESP_IP/control?cmd=relay,3,0
Relay 3 On: http://ESP_IP/control?cmd=relay,3,1

Who can help me?
Thanks

[enesbcs]

Hello,

I have a LCTech Relay X2 board. I installed ESPEasy on the ESP-01 (ESPEasy_1M_128kSPIFFS_PUYA.zip) and the first two relays are in function, but the last two relays are not contolled.
What can I do to use all four relays?

Hi,

I've never seen a 4 relay version, can you provide me the link or the datasheet, to find out what serial commands needed to operate it?

[desprueht]

Hello,

Relay control instructions (hex hexadecimal):
Open the first relay: A0 01 01 A2
Turn off the first relay: A0 01 00 A1
Open the second relay: A0 02 01 A3
Close the second relay: A0 02 00 A2
Open the third relay: A0 03 01 A4
Turn off the third relay: A0 03 00 A3
Open the fourth relay: A0 04 01 A5
Turn off the fourth relay: A0 04 00 A4"

and the link:
http://www.chinalctech.com/index.php?_m ... &p_id=1288

[countcobolt]

Hi all

sorry is this is a stupid question, but will your firmware work with the Sonoff T1 2Gang (similar to the dual?). I both 2 and want to be able to control them using ESPEasy and Domoticz.

Kind regards

Steve

[enesbcs]

sorry is this is a stupid question, but will your firmware work with the Sonoff T1 2Gang (similar to the dual?). I both 2 and want to be able to control them using ESPEasy and Domoticz.

This plugin will not work with any Sonoff T1. According to Tasmota wiki:
"When pushing a button, the touch chip lift the power high to the EFM8BB1, and the EFM8BB1 chip ties the signal line for each button low, for the full duration of the keypress. There is no serial data, that i have seen at all."
The device's operation is somewhat obscure to me, i am using my own T1 2Gang with Tasmota without problmes.

[enesbcs]

Hello,

Relay control instructions (hex hexadecimal):
Open the first relay: A0 01 01 A2
Turn off the first relay: A0 01 00 A1
Open the second relay: A0 02 01 A3
Close the second relay: A0 02 00 A2
Open the third relay: A0 03 01 A4
Turn off the third relay: A0 03 00 A3
Open the fourth relay: A0 04 01 A5
Turn off the fourth relay: A0 04 00 A4"

and the link:
http://www.chinalctech.com/index.php?_m ... &p_id=1288

Ok the commands seems consistent, i expanded the plugin to support 4 relay, now it can be selected in plugin options.

[countcobolt]

sorry is this is a stupid question, but will your firmware work with the Sonoff T1 2Gang (similar to the dual?). I both 2 and want to be able to control them using ESPEasy and Domoticz.

This plugin will not work with any Sonoff T1. According to Tasmota wiki:
"When pushing a button, the touch chip lift the power high to the EFM8BB1, and the EFM8BB1 chip ties the signal line for each button low, for the full duration of the keypress. There is no serial data, that i have seen at all."
The device's operation is somewhat obscure to me, i am using my own T1 2Gang with Tasmota without problmes.

Hey Enesbcs

do you use the web or MQTT component for this? (On Tasmota)

Kind regards

[enesbcs]

do you use the web or MQTT component for this? (On Tasmota)

I am using the Tasmota MQTT with Sonoff T1, works perfecty with my Domoticz server.

[desprueht]

Hello,

Relay control instructions (hex hexadecimal):
Open the first relay: A0 01 01 A2
Turn off the first relay: A0 01 00 A1
Open the second relay: A0 02 01 A3
Close the second relay: A0 02 00 A2
Open the third relay: A0 03 01 A4
Turn off the third relay: A0 03 00 A3
Open the fourth relay: A0 04 01 A5
Turn off the fourth relay: A0 04 00 A4"

and the link:
http://www.chinalctech.com/index.php?_m ... &p_id=1288

Ok the commands seems consistent, i expanded the plugin to support 4 relay, now it can be selected in plugin options.
Download and try: v23

Hi, thank you very much for your work.
I have a problem with the webinterface. when i click on Devices and add a Serial MCU controlled switch, then I can't edit the device. The ESP-01 makes a restart.

[enesbcs]

Hi, thank you very much for your work.
I have a problem with the webinterface. when i click on Devices and add a Serial MCU controlled switch, then I can't edit the device. The ESP-01 makes a restart.

You're right... i left out one index, and ESP did not honor buffer overflow.
Try the updated binary.

[desprueht]

Hi, thank you very much for your work.
I have a problem with the webinterface. when i click on Devices and add a Serial MCU controlled switch, then I can't edit the device. The ESP-01 makes a restart.

You're right... i left out one index, and ESP did not honor buffer overflow.
Try the updated binary.

It's so wunderfull. Thank you for all...

[Whitey]

Very new to all this so forgive me.

Had one of these laying around as it was useless in its original state. Managed to flash the firmware and get it working.

I wish to use it to control a garage opener that only requires a momentary switch. Is it possible to do that with this?

Have tried the pulse command but had a feeling it wound not work and I was correct.

At the moment I have a script setup in home assistant that turns the off after 1 second but find this is more like 2 or 3 seconds. The script is a very crude way to do what I want so was hoping for a better solution.

[enesbcs]

Had one of these laying around as it was useless in its original state. Managed to flash the firmware and get it working.

What device? This plugin supports some kind from Lctech, Tuya, S.Dual.. be a little more specific. I think it can be done with EspEasy rules.

[Whitey]

What device? This plugin supports some kind from Lctech, Tuya, S.Dual.. be a little more specific. I think it can be done with EspEasy rules.

Sorry about that, referring to the 12v LC Tech single channel relay (same one as the post at 116)

lctech12.jpg (34.33 KiB) Viewed 156801 times

[enesbcs]

Sorry about that, referring to the 12v LC Tech single channel relay (same one as the post at 116)

I see. You have to enable rules in Espeasy advanced settings, then if the serial device name is "lc" and the first relay named as "Relay0" (default) then the code below switches off the relay one seconds after switched on. It has to work, if somehow not, then i will ty to implement it inside the plugin.

Code: Select all

on lc#Relay0>0 do
 timerset,1,1
endon

on Rules#Timer=1 do
 relay,0,0
endon

[Whitey]

Sorry about that, referring to the 12v LC Tech single channel relay (same one as the post at 116)

I see. You have to enable rules in Espeasy advanced settings, then if the serial device name is "lc" and the first relay named as "Relay0" (default) then the code below switches off the relay one seconds after switched on. It has to work, if somehow not, then i will ty to implement it inside the plugin.

Code: Select all

on lc#Relay0>0 do
 timerset,1,1
endon

on Rules#Timer=1 do
 relay,0,0
endon

Will give it a go when I get home in an hour or so.

Thanks heaps

[Whitey]

Can't get it to work. Relay still just turns on or off as if there are no rules.

Will have a play with the rules and see if I can get something working tho

[enesbcs]

Can't get it to work. Relay still just turns on or off as if there are no rules.

Will have a play with the rules and see if I can get something working tho

Check v2:

Code: Select all

on lc#Relay0 do
 if [lc#Relay0]>0
  timerset,1,1
 endif
endon

on Rules#Timer=1 do
 relay,0,0
endon

or v3:

Code: Select all

on lc#Relay0 do
 timerset,1,1
endon

on Rules#Timer=1 do
 if [lc#Relay0]>0
  relay,0,0
 endif
endon

And see what EspEasy logs says..

[Whitey]

Will give V2 and v3 a try and watch the logs.

I assume the rules don't need to be enabled anywhere else in the settings to enable them? Just enable rules in advance settings then create the rule for them to work.

Thanks for for assistance and patience so far.

[Whitey]

Update.

Managed to get it working with your first code. Appears sleep and reading instructions correctly kinda help.

I had my device named Relay and say you had it name lc. A simple change in name fixed it.

Sorry for the stuff up my end.

Thanks heap in helping me out here.

Is it possible to reduce the time to less than 1 second? I will have a read and see if I can find the answer myself but just in case I fail again.

fyi all 3 rules work and give the desired result

[enesbcs]

Managed to get it working with your first code. Appears sleep and reading instructions correctly kinda help.

Is it possible to reduce the time to less than 1 second? I will have a read and see if I can find the answer myself but just in case I fail again.

Great news, you are welcome.
In rules one second is the smallest interval as i know.
I think i can implement a new command in the plugin for example "relaypulse" for smaller intervals, but due to the characteristics and speed of the serial connection the results will not be as you expect. I have an LCTech relay somewhere hidden in my shelf, will try it and publish the plugin if it can handle it.

[Whitey]

Managed to get it working with your first code. Appears sleep and reading instructions correctly kinda help.

Is it possible to reduce the time to less than 1 second? I will have a read and see if I can find the answer myself but just in case I fail again.

I have an LCTech relay somewhere hidden in my shelf, will try it and publish the plugin if it can handle it.

Thanks for the offer but no need to worry if it isn't currently supported. This is just a test device I had laying around while I learnt the ropes. Have ordered some sonoff low voltage boards to use as the garage control runs off 24V DC and this test board is a 12v board so I will be using a power pack while I test.

Thanks again for your help. It was very much appreciated.

[oleost]

Hi.

Anyone sucessfully used this on the "ESP8266 4CH 12V WiFi" found on aliexpress ?

https://www.aliexpress.com/wholesale?ca ... H+12V+WiFi+

[enesbcs]

Anyone sucessfully used this on the "ESP8266 4CH 12V WiFi" found on aliexpress ?
https://www.aliexpress.com/wholesale?ca ... H+12V+WiFi+

I do not own this model, but according to this description:
https://www.aliexpress.com/item/4CH-ESP ... 90810.html
it is controlled by the standard LCTech serial commands (A0 01 01 A2...) which is supported by this P165 plugin. Also the onboard ESP-01 may require the 1MB Puya safe binary.

[Btje]

Looking for the tuya dimmer in EU format but can't find a place to buy. Any tips?

[riker1]

Hi
having this modul attached to fhem via espbridge

How can I switch the relay?

do int it at the moment via wget
but isn't there a option via esp module fhem?

Thanks