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Plugs

Público·24 miembros

Looking for dependable high-purity chemicals for lab work

Finding dependable high-purity chemicals for lab work is a recurring discussion point among researchers. I recently encountered a site,

, which appears to focus on providing such crucial materials. The website states it offers "high-purity compounds supporting life science research," positioning itself as a source for research chemicals suitable for advanced discovery. Examples of listed items include Diphenyl Blue, NADH, and ATP, each specified with a CAS number, indicating a structured approach to chemical identification. The site also mentions "precision molecules | quantified science," suggesting an emphasis on accuracy. Has anyone investigated suppliers who specifically highlight such detailed scientific precision in their product descriptions?

15 vistas

ESP32-C3 power monitoring plugs?

Following on from my esp8285 not booting after a grid outage, I'm looking at replacing my power monitoring plugs that are esp8285 with a esp32 version?


Any plans for these?

653 vistas
Alex1234
Alex1234
07 may

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UK V2 Plug for ESPHome


One of the 4 plugs purchased just switches off after a few minutes when being used. Worked perfectly for 2 months and now seems to have failed.


Has it failed, or is there any path to fix? Any ideas folks?


FYI: Still under warranty and purchased end of December 2025. I have emailed support but still awaiting a reply.

654 vistas

ESP32-C3 US Plug V3 Hardware Failure

I have two of these plugs (possibly 3) that are broken.


One would not turn on the relay. I tried updating the firmware via OTA and got stuck in SAFEBOOT mode. I did a "reset 1" and no change (came back in SAFEBOOT. I did a "reset 2" and it did not come back. Nothing at all. No lights, no access point, no response to ping, no web UI. I tried plugging/unplugging 6-10 times quickly, no change. I tried holding the hardware button down for 30+ seconds and nothing.


The other one I have the relay appears to have stopped working. It would not stay on and kept shutting off. Now I cannot get it to turn the relay on even under just a lightbulb load. Tasmota is working and I can toggle but nothing is happening.


Is there a way to open these devices to inspect or access for…


200 vistas
samosubs
08 sept 2025

Have a look at what is required to update an ESP32. I think it is 'update 2' but do your research before you try.

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