ESP32 D1 mini, CB38M2J(IB)-1 combination about loctekmotion_iot HOT 20 OPEN

My personal dongle. The nonused wires are protected (thin shrink tubes) and all fixed by using one big heat shrink tube.

Thanks for the help

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Would be good to add a pictures of your PCB (of the desk keypad). And do you own a multimeter? You should be able to check if your wiring is correct. In the past I have seen mistakes / issues with just using the color of the RJ45 wires.

You could uncomment

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The keypad is H13A-01.

I will uncomment the line and let you know.

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Could you also add a picture of the PCB? (so screw open your desk keypad).

Did you try this one already? #12 (comment) I think this could be the correct wiring.

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The PCB is cabled as documented H13A-1.

The uncomment, helped, I got continious incoming bytes, which default 000000 and changing values by hitting the height buttons of the keypad. Home assistant, see the sensor, but value is Unavailable.

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Changing height logging:

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Did you try this one already? #12 (comment) I think this could be the correct wiring.

??

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OK, I will try other wiring as #12 commented.

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Seems now to work with other cable color scheme. Tx. The home assistant integration only show the height as soon you hit the keypad and will not update the height after (after unpressing the button). Is there any fix for that?

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Great to hear! We need to update the docs soon, great to have this confirmed.

Can you share the YAML you use now? And does the height update when you execute a command (like sit/stand) from your ESPHome? Current behavior is that the height only updates when something has been executed.

That is why in my other example, we call the 'M' button quickly on startup.

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Im updating the YAML file now. Because I have more esphome integrations I will change the sensor and switches with desk_<> to seperate them more easily in home assistant. Will send you as soon everything is functioning. Tx for now.

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The esp integration is working:when use keypad the initial height is recorded to HA. When also the up/down is working. But as soon as the keypad is in sleeping mode, no commands from HA/ESP are working. Should the wake up call should trigger to light on the key pad?

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I've ordered the flexispot E8 and E7, both have the CB38M2J (IB)-1 control box as well. I've used the #12 (comment) wiring (without connecting RESET, SWIM , empty) and all functions work as @hofvanta mentioned as well. The only problem I have as well is once the display goes off it is not possible to control the desk anymore. The wakup call doesn't work. I've also tried to only connect the esp32 and disconnect the remote, but it still doesn't work. @hofvanta did you find a way to solve the sleeping mode issue?

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I've ordered the flexispot E8 and E7, both have the CB38M2J (IB)-1 control box as well. I've used the #12 (comment) wiring (without connecting RESET, SWIM , empty) and all functions work as @hofvanta mentioned as well. The only problem I have as well is once the display goes off it is not possible to control the desk anymore. The wakup call doesn't work. I've also tried to only connect the esp32 and disconnect the remote, but it still doesn't work. @hofvanta did you find a way to solve the sleeping mode issue?

How did you connect your ESP32? RJ45 Splitter into HS Port? Because the second RJ45 Port doesn’t work. Can you confirm?

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@hofvanta Thanks. Did your control panel work on the 2nd serial port? Mine only works on the first (upper) port. If it’s connect to 2nd port pressing a button only lights up the display but nothing happens. All buttons the same. Did someone have this issue too?

Control Box: CB38M2L(IB)-1

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@Kienz For the Flexispot E7 and E8 both control ports work. I did have some issues though with the control panel while fixing this and cutting off power to the desk for a while and reconnecting fixed it, never had the issue again.

@hofvanta Thanks. For me it turns out a slight edit of the flexispot_e5b_esp32.yaml code seems to work perfectly for the E7 and E8. I'm waiting for an utp splitter so I can also connect the control panel directly so I would know the current state of the desk if only the control panel is used.

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@hofvanta Strange. I contacted the Flexipot support. Let's see what they say.
Other question: Should it work if I only connect the eg ESP8266 to first port? (Display is disconnected) Can someone test this. Kind regards.

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@Sander51 did the UTP splitter work out as expected? Does the ESP32 now always output the correct position even when the desk was operated via the panel?

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