Products > Test Equipment
New miniature programmable DC power supply - FNIRSI DPS-150
Fungus:
OK, I bit the bullet and ordered one on Aliexpress. :)
I'm gonna get a USB C charger to power it, it seems like the best/easiest option.
FWIW: Ikea make awesome phone chargers and they're super cheap. Their 30W "SJÖSS" should be enough for me (supports 20V, 1.5A) and they're only 7 Euros.
I'm gonna get a bunch more of their little SMÅHAGELs as well. They're awesome for powering 5V gadgets, and only 3 Euros(!)
Aldo22:
--- Quote from: Fungus on October 05, 2024, 03:02:03 pm ---OK, I bit the bullet and ordered one on Aliexpress. :)
--- End quote ---
Congratulations!
I'm still looking for a potential use for this thing.
It's like the Fnirsi SG-003A: somehow I'm tempted to buy it, if only I could find a tiny rational reason to do so... ;)
4thDoctorWhoFan:
--- Quote from: Aldo22 on October 05, 2024, 06:57:27 pm ---I'm still looking for a potential use for this thing.
It's like the Fnirsi SG-003A: somehow I'm tempted to buy it, if only I could find a tiny rational reason to do so... ;)
--- End quote ---
You can NEVER have to many power supplies. :-+
The same goes for multimeters. :D
Nominal Animal:
--- Quote from: Stray Electron on October 04, 2024, 11:23:25 pm ---"U out" is very commonly shown on German made electronics instead of "V out".
--- End quote ---
Both U and V are common symbols for voltage; I've definitely seen both. U is also used in physics for potential energy (as is V and Eₚ, too).
The situation is very similar to calling 74W "tungsten" or "wolfram". ("Wolfram" is the original one, stemming from the ore wolframite; "tungsten" derives from the scheelite ore, then called tungsten, and is Swedish for "heavy rock". Basically, Scandinavian mountain miners used the former, German (and slavic miners later on) the latter, way back in the day. The German miners just had a habit of naming their ores more imaginatively, )
In physics, many prominent physicists in the 1700s to early 1900s developed somewhat distinct patterns of notation, including which letters they used for which physical properties and measurables (especially U, V, and what superscripts and subscripts were used for). Some even developed completely new notations; see e.g. Dirac or bra–ket notation. Einstein notation in particular can throw even mathematicians off, but is very common in some areas of physics.
There is no specific correct notation. It is just a matter of convention; whatever one is used to. Claiming otherwise is just succumbing to a perceived authority, and rejecting individual thought. Certainly, all the great scientists have changed notations whenever it suited them, simply because it is just a tool, a way to convey the ideas and expressions.
DaneLaw:
--- Quote from: Aldo22 on October 05, 2024, 06:57:27 pm ---
--- Quote from: Fungus on October 05, 2024, 03:02:03 pm ---OK, I bit the bullet and ordered one on Aliexpress. :)
--- End quote ---
Congratulations!
I'm still looking for a potential use for this thing.
It's like the Fnirsi SG-003A: somehow I'm tempted to buy it, if only I could find a tiny rational reason to do so... ;)
--- End quote ---
They can be quite handy, these small SMPSUs and the ability to have a small adj. powersupply with a powerbank or LIPO cellpack.
and PD3.1 (28v/5A) powerbank with 140watt works well with either a 100W or 150W. 30/5A SMPSU.
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