<![CDATA[Powering Atom Lite with 5V pins]]>Re: Can the Atom accept external regulated 5V power?

I tried to power the Atom Lite modules from 5V groove pin and failed miserably (if I connect same power supply to USB-C connector - everything works.

Is there more detailed schematics how is the powerline connected?

Atom lite schema

On this schema only 0.5A fuse is shown, but I have nothing else connected, so I shouldn't trigger that.

]]>https://community.m5stack.com/topic/3239/powering-atom-lite-with-5v-pinsRSS for NodeWed, 29 Apr 2026 20:13:47 GMTWed, 28 Apr 2021 10:43:06 GMT60<![CDATA[Reply to Powering Atom Lite with 5V pins on Fri, 15 Mar 2024 11:52:09 GMT]]>To run devices like this from an external supply I'd recommend a little Buck regulator board such as the one Youmile does (https://www.amazon.co.uk/dp/B07TTH6C3J). You can then set the output to fixed 5V and drive the input from anything - USB 5V from a breadboard, a 9V PP3, 12V or 24V car, truck or boat battery etc. - with no worries about blowing anything in the Atom.

]]>https://community.m5stack.com/post/24405https://community.m5stack.com/post/24405Fri, 15 Mar 2024 11:52:09 GMT<![CDATA[Reply to Powering Atom Lite with 5V pins on Sat, 01 May 2021 04:16:39 GMT]]>Hello guys

from the schematic there should be no difference whether you power M5Atom via 5V on the Groove connector or the 5 V pin in the back. Measuring for continuity between Groove and the respective pins in the back also shows they are connected 1:1 and are the same.

Running a simple sketch on my M5Atom Matrix, which only connects WiFi and is showing that by changing the LEDs from red to green, I see that working ok with voltages from 2.8 V to 5.2 V.

BTW: I am getting the same results with an M5Atom Lite.

Thanks
Felix

]]>https://community.m5stack.com/post/13678https://community.m5stack.com/post/13678Sat, 01 May 2021 04:16:39 GMT<![CDATA[Reply to Powering Atom Lite with 5V pins on Thu, 29 Apr 2021 07:36:03 GMT]]>I have too experimented powering both Atom Lite and the Atom Matrix via the groove connector or via the headers pins and I noticed a weird thing. If the voltage is a little below 5V, for example 4.6 or 4.7 Volts it works fine. If the voltage is a little above 5V, for example 5.2V it power up but it never connect to internet.

]]>https://community.m5stack.com/post/13663https://community.m5stack.com/post/13663Thu, 29 Apr 2021 07:36:03 GMT<![CDATA[Reply to Powering Atom Lite with 5V pins on Wed, 28 Apr 2021 20:13:36 GMT]]>I connect a Li-po battery (3.7V) directly to bottom pins GND, 5V and atom lite works. But usb2uart and neopixel led may not work or works incorrectly depends of battery voltage. In my case i need only esp32 to works.

]]>https://community.m5stack.com/post/13660https://community.m5stack.com/post/13660Wed, 28 Apr 2021 20:13:36 GMT<![CDATA[Reply to Powering Atom Lite with 5V pins on Wed, 28 Apr 2021 15:37:26 GMT]]>@pacaj2am You can power the Atom via the 5V in pin on the back of the atom.

]]>https://community.m5stack.com/post/13657https://community.m5stack.com/post/13657Wed, 28 Apr 2021 15:37:26 GMT