USB Power Supplies and cables This test is performed due to the email send by Athom after the first shipment of the new Homey’s The first shipment has received a power adapter which unfortunately makes Homey Pro’s CPU underclock. Read the e-mail here » But also for users that have to replace thei…

:white_check_mark: Samsung USB super fast changer 45 w (Ep-TA845) Works with Ethernet adapter. [grafik] :x: Eaton USV 3S 700 Doesn’t work (only tested with Ethernet adapter). Homey works fine, but undervoltage info appeares in developer page (at least while booting). Unfortunately it is not poss…

[image] Dijker: I have not yet load tested it yet.) One comment on this - when testing stability of power supply, it must be tested under high load to be 100% sure it can deliver sufficient requirements. Eg. in my case, with CPU on 70-80% (and even more ;-( ) and temp. 70-75C the Homey/RPI m…

:skull_and_crossbones::flushed: Then we can only hope that Athom will produce the new power supply units in such a way that the drama comes to an end. Homey and its power supplies have been a never-ending story so far. :pray::pray::pray::pray:

Well, I’ve used the original Athom power supply for 2 years for the pro 19, without any issue. They are not all bad :nerd_face: It’s not generic. We never hear about the ones without issues, right? :wink::wink:

Indeed, also running original power supply for 3 years, never had any problems and my old HP2019 is running on 150% load…

FYI, I have been relying on original USB cable shipped with Homey, hoping that this cable is well tested…still got videoCoreUndervoltageOccured randomly…replaced is now with shorted cable (branded USB-C USB-C 0.5m) and the error is gone even under high load. I must admit, I was not expecting that, a…

[image] RonnyW: :white_check_mark: Samsung USB super fast changer 45 w (Ep-TA845) In my case the same adapter (only black) didný work with the Original Homey USB-C to USB-C Cable and Ethernet Adapter. With a short (25cm) USB-C to USB-C Cable direct between Homey and Adapter it works without…

This booster works (Thanks @Davide_Zamo for the Tip: Power supply can cause slow Homey Pro 2023 - #116 by Davide_Zamo ) [20230415_211522] See the voltage drop, 5,55 Volt out and ~5,27 Volt at the end of the cable.

Is it the new replacement adapter? Currently i I have only some dev apps installed and the CPU usage is low enough.

[image] RonnyW: Is it the new replacement adapter? Nope, it is the old USB Adapter from the first Homey 2016, the Red USB Power Quick is from “wuzhi” and boosts from 5,15 to 5,55 Volt. The yellow is just a tester to measure the voltage drop in Cable and connectors. I also tested the last bl…

[Info] USB Power Supplies and cables (for Homey Pro Early 2023)

Questions & Help

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Power supply can cause slow Homey Pro 2023 Questions & Help homey-pro-2023	147	9115	January 30, 2026
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[Info] USB Power Supplies and cables (for Homey Pro Early 2023)

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