Electronics > Projects, Designs, and Technical Stuff

uSupply Custom LCD

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ebclr:
Small and very cheap LCD

xani:

--- Quote from: julianhigginson on October 22, 2017, 11:40:12 pm ---
--- Quote from: xani on October 20, 2017, 02:33:37 pm ---

--- Quote from: julianhigginson on October 20, 2017, 09:57:45 am ---Those of you who want the fully hackable/self-sourcable supply made with a more generic LCD should look into the crowd funded one that shipped the other month...

--- End quote ---

which one ? I've been looking for something like battery powered power supply that could double as battery/phone charger (which could probably be easily hacked in into existing design if code was available)

--- End quote ---

sorry - not battery powered... I didn't realise this was dave's intention for this product.


The fully DIY friendly option for a bench supply is this guy:
https://www.eevblog.com/forum/crowd-funded-projects/preparing-eez-h24005-for-crowdfunding/
all firmware and hardware is open source.

--- End quote ---
Ah yes I saw that one. I looked, said "no knob, no service" and ignored it. The last thing I want from my bench supply is some wonky touchscreen

Kalvin:
Just make sure that the power supplies share common ground / 0V and not that low side current measurement sh*t.

VEGETA:

--- Quote from: Kalvin on October 23, 2017, 11:47:00 am ---Just make sure that the power supplies share common ground / 0V and not that low side current measurement sh*t.

--- End quote ---

As long as I remember, he uses only one channel and it doesn't have low side current measurement.


--- Quote ---Ah yes I saw that one. I looked, said "no knob, no service" and ignored it. The last thing I want from my bench supply is some wonky touchscreen

--- End quote ---

It is good to have different opinions, but for me the TFT screen is a big plus!  :-+

It makes it modern and gives a lot of options unlike traditional buttons. It inspired me to do my own power supply using a TFT too, but Dave design inspired me about the battery powered feature. I still didn't manage to make a PCB for the prototype.

free_electron:
make sure to have dual color backlight. if a fault condition occurs i want the display backlight color to switch to red. ( and blink if possible  like 50% on , 100% on , not full on / off)
Also  think about colorblind people.  make sure there is a huge difference between red and green ! too many dual color led's are indiscernable for colorblind people.

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