Back
[11:20:31] <rue_house> which one?
[17:02:21] <rue_shop3> yay I made a pinion gear!
[17:02:29] <rue_shop3> always wanted to do that
[17:03:10] <rue_shop3> bucketlist.remove.item.pointless("make pinion gear");
[17:03:52] <rue_shop3> it 2:30, so now I sleep till 7pm and wonder where my weekend went
[17:09:37] <SpeedEvil> yay
[17:15:44] <rue_house> "All those who would like to help me with some target practise, raise your hand."
[18:21:02] <codepython777> does anyone use UBECs to step down voltages on their robots?
[18:25:18] <Snert> I'd use prolly castle creations if I were to go that way.
[18:25:50] <Snert> adjustable parameters via software is what's nice about them.
[18:26:20] <Snert> but for arduino stuff I don't use them though they are a valid choice.
[18:32:21] <deshipu> codepython777: pretty much everyone
[19:05:51] <rue_house> I just use $1.50 switching power supplies from china
[19:48:21] <veverak> rue_house: linkz?
[20:24:32] <Tom_itx> rue_house, those 5v ones?
[20:26:45] <Tom_itx> http://www.ebay.com/itm/LM2596S-ADJ-DC-DC-Buck-Regulator-Power-Module-3A-Adjustable-5V-12V-24V-/191095436739?hash=item2c7e2cf5c3:g:TpQAAOxyCGNTMqQ~
[20:26:46] <Tom_itx> or such
[20:27:23] <Tom_itx> there are a couple variations of the 2596 on there
[20:28:15] <Tom_itx> some have 7seg leds some don't
[20:31:07] <Tom_itx> http://www.ebay.com/itm/LED-Display-3-3V-5V-9v-12V-24v-3A-Step-down-Voltage-Meter-Regulator-buck-Module-/191812063617?hash=item2ca8e3d181:g:SaEAAOSwB4NWy9fN
[21:49:21] <rue_shop3> in the garden store: "Facadeapolyflaura"
[21:49:29] <rue_shop3> (fake plastic flower)
[21:51:35] <Jak_o_Shadows> hah
[22:12:45] <codepython777> deshipu: when do you use ubec vs sbec?
[22:13:50] <deshipu> codepython777: I have no idea what "sbec" is supposed to be
[22:14:28] <codepython777> deshipu: do you have a recommendation for a powerboard - I'm using lipo 4S and need 12v, 5v, 6v and 19v
[22:15:27] <deshipu> no
[22:15:46] <codepython777> deshipu: how do you change voltages in your robots?
[22:16:16] <deshipu> use case
[22:16:16] <rue_house> they are variabel
[22:16:22] <deshipu> with voltage regulators, switching or linear, depending on the use case
[22:16:24] <rue_house> from 1.2 to 24+V
[22:16:55] <codepython777> rue_house: If I have a 14 to 17v battery supply, and i want 12,5,6,19 - clean supply - what would you do?
[22:17:19] <deshipu> also, I to design things so that I can feed stuff directly from the battery, when possible
[22:18:47] <rue_house> chinese supply
[22:18:53] <rue_house> they are $1.50
[22:19:23] <codepython777> rue_house: My amperage for those are high - 12v + 3.5A, 19v + 3.5A and so on
[22:19:58] <rue_house> http://www.ebay.ca/itm/DC-DC-Buck-Step-Down-Converter-Module-LM2596-Voltage-Regulator-Led-Voltmeter-/201365772510
[22:19:58] <rue_house> http://www.ebay.ca/itm/DC-DC-Buck-Step-Down-Converter-Module-LM2596-Voltage-Regulator-Led-Voltmeter-/201365772510
[22:20:19] <rue_house> then use a bigger one
[22:20:36] <codepython777> rue_house: those wont survive those amperages
[22:20:47] <rue_house> no, but you didn't tell me taht till just now
[22:20:56] <rue_house> there are ones that will, do i have to find them for you?
[22:21:21] <codepython777> rue_house: let me tell you more precise things
[22:21:37] <rue_house> http://www.ebay.ca/itm/DC-DC-4-38V-to-3-3V-6V-9V-12V-24V-5A-Buck-Step-down-Converter-Voltage-Regulator-/311552007557
[22:21:39] <rue_house> 5A
[22:21:44] <codepython777> rue_house: I've a 4S lipo and i need 12v+3.5A, 19v + 3.5A, 5v (arduino) and 6v+3A
[22:22:24] <deshipu> arduino can work from that 6V, it has an internal regulator
[22:23:08] <codepython777> true
[22:23:16] <deshipu> rue_house: it's the exact same chip, the only thing different is the description is more inaccurate
[22:23:22] <rue_house> it dos't matter, you need either someone to build a system for you, or learn to search ebay
[22:23:23] <codepython777> so 12v , 19v and 6v
[22:23:30] <codepython777> Actually arduino will work with 12 v as well
[22:24:02] <Jak_o_Shadows> ebay is a wonderuful pace
[22:24:42] <rue_house> http://www.aliexpress.com/item/DC-DC-High-Power-15A-Buck-Adjustable-Step-Down-Converter-4-32V-12V-to-1-2/32413386032.html
[22:24:47] <rue_house> so is aliexrepss
[22:24:50] <deshipu> Jak_o_Shadows: here's your L, you dropped it
[22:25:12] <rue_house> 15A 1.2-32V out $13
[22:25:28] <codepython777> https://img.alicdn.com/imgextra/i2/386324398/TB2jtTQgpXXXXaYXpXXXXXXXXXX_!!386324398.jpg - how is this circuit wired? On the left is the source. What is on the right?
[22:25:47] <Jak_o_Shadows> geez, 15A, that's a bit
[22:26:06] <rue_house> on the lon the left is a power supply they are feeding wit with, on the right is a load bank
[22:26:30] <rue_house> ok I'm done with helping you on this one, I'm hungry and cranky
[22:26:35] <codepython777> rue_house: where can i get a good load bank :) ?
[22:26:42] <codepython777> k - go eat, thanks :)
[22:26:52] <rue_house> if you dont solve it in the next 2 days, I'll condemn you
[22:27:03] <Jak_o_Shadows> why do you need a load bank!
[22:27:41] <codepython777> Jak_o_Shadows: to test my converters :)
[22:27:58] <Jak_o_Shadows> but why do you need to test them anyway
[22:28:04] <Jak_o_Shadows> it'll even work, or it won't
[22:28:15] <Jak_o_Shadows> like, just check that they're outputting the right voltage and be happy
[22:28:30] <codepython777> Jak_o_Shadows: I like testing :)
[22:28:50] <rue_house> I think you should pay $100 for the same on from the USA
[22:29:05] <rue_house> then you can bicker to them if it dosn't work
[22:29:21] <codepython777> rue_house: do you have one?
[22:30:54] <Jak_o_Shadows> why do you need 19V anyway?
[22:31:33] <codepython777> Jak_o_Shadows: I've a laptop that i need to run
[22:31:40] <codepython777> Jak_o_Shadows: do you have a recommendation for a load bank?
[22:32:03] <Jak_o_Shadows> I do not
[22:43:42] <rue_house> http://ruemohr.org/~ircjunk/images/12V18AhN1.svg
[22:43:50] <rue_house> I used the load bank I made to profile a battery
[22:43:56] <rue_house> but I cant find the info on it
[22:44:32] <Loshki> ebay is a wonder-rueful place
[22:45:00] <rue_house> http://ruemohr.org/~ircjunk/images/constcurr.jpg
[22:45:02] <rue_house> bingo
[22:45:08] <rue_house> didn't call it a load bank
[23:01:59] <Jak_o_Shadows> stupid bloody joystick, with the wiring harness being able to move and adjusting the whole range of the damn thing
