Search found 5 matches

by MrNick
Wed Feb 11, 2026 12:35 pm
Forum: Other
Topic: Pi5 always gives low current warning on boot up.
Replies: 3
Views: 450

Re: Pi5 always gives low current warning on boot up.

Thankyou @gwynethh ; a very useful bit of information. I searched the command and came up with more options:

From https://forums.raspberrypi.com/viewtopic.php?t=359249#p2154772

rpdom@raspberrypi:~ $ vcgencmd pmic_read_adc
3V7_WL_SW_A current(0)=0.00000000A
3V3_SYS_A current(1)=0.07124290A
1V8 ...
by MrNick
Wed Dec 17, 2025 11:19 pm
Forum: Raspberry PI
Topic: Safe shutdown needed ?
Replies: 6
Views: 501

Re: Safe shutdown needed ?

Greetings;

Thankyou kind stranger.

This works a charm: while on UPS the system can execute graceful shutdown from anywhere and still fully disconnect from power. Brilliant.

Cheers.
by MrNick
Tue Dec 16, 2025 11:06 pm
Forum: Your projects
Topic: '35 Flatlander
Replies: 2
Views: 373

Re: '35 Flatlander

Design criteria:

1.) Parasitic draw when off is not permitted.
> RPi5 must disconnect when off; normal shutdown leaves the computer in 'low-power-mode'.
> HMI screen must disconnect when off; backlight remains on when connected to power.
> UPS must disconnect when off; LiPo batteries are not ...
by MrNick
Sun Dec 14, 2025 2:26 am
Forum: Your projects
Topic: '35 Flatlander
Replies: 2
Views: 373

Re: '35 Flatlander

Time to smoke test.
by MrNick
Fri Dec 12, 2025 5:58 pm
Forum: Your projects
Topic: '35 Flatlander
Replies: 2
Views: 373

'35 Flatlander

Greetings from -34C Alberta. With the first deep freeze here I'm finding the hours needed to finish building & installing a head unit in a 1935 custom built truck on a '97 Chevy S10 4x4 chassis; a project started in 2011 and put on the road in 2023. I doubt it will ever be 'done'...

The head unit ...