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Anyone use a multimeter/voltmeter with USB/PC output? I have a Keysight multimeter with an isolated PC interface, but that cost me NZD400 (~USD250) so pro ... |
24-1-2019 at 14:06 by: Twospoons |
Strange earthing problem [rquote=585569&tid=131185&author=wg48]
Below is a 24V Weller with an earth. The Rolls Rorce ... |
17-1-2019 at 13:20 by: Twospoons |
Mom-and-pop lemonade-stand-style ways to make quick legal cash from chemistry Paint pigments or dyes might be a winner. I'm sure there are plenty of artists would love to play wi ... |
9-1-2019 at 20:40 by: Twospoons |
How to repair a thermocouple? Your 50/50 solder probably does have an aggressive flux, given the usual application for that alloy ... |
6-1-2019 at 15:16 by: Twospoons |
'Sudden Deceleration' Suit, or John Stapp's Revenge Concussion results from the brain smacking into the inside of the skull. Its about as protected as i ... |
6-1-2019 at 11:43 by: Twospoons |
How to repair a thermocouple? I've used the arc from a neon sign transformer to make thermocouples. Melts a nice little ball on th ... |
6-1-2019 at 11:35 by: Twospoons |
Stopping oils and fats from becing rancid - novel idea For oils the obvious solution is storage in a collapsible bladder, as used in cardboard cask wine. N ... |
28-12-2018 at 16:35 by: Twospoons |
Looking For: Fluoropolymer Tubing Plenty of low cost options at Aliexpress.com. The 3.1mm ID PTFE tubing is used extensively in 3d pri ... |
21-12-2018 at 15:11 by: Twospoons |
I need help with optoisolators. . . [rquote=564119&tid=113080&author=Intergalactic_Captain]
I'm still curious though if anyone ... |
17-12-2018 at 12:21 by: Twospoons |
Apples, Cider, Vinegar question Frankly I think you should have stopped your fermentation at "cider". ![:D](./images/smilies/biggrin.gif)
I made a dry sparkling ci ... |
2-12-2018 at 16:44 by: Twospoons |
Say goodbye to cheap Chinese shipping Sometimes that's a trick to make an item look cheaper than everyone elses, then they make their mone ... |
30-11-2018 at 21:51 by: Twospoons |
Apples, Cider, Vinegar question Production of alcohol via yeast + sugar requires anaerobic conditions, otherwise you just get CO2 a ... |
30-11-2018 at 15:09 by: Twospoons |
Stability and precision of Hall-based current sensors? [rquote=553509&tid=103892&author=Fulmen] winding a solid core for testing purposes shouldn't ... |
16-11-2018 at 13:38 by: Twospoons |
Stability and precision of Hall-based current sensors? [rquote=552949&tid=103892&author=wg48]
Putting it differently is Rogowski coil nothing mo ... |
15-11-2018 at 14:38 by: Twospoons |
Stability and precision of Hall-based current sensors? [rquote=552604&tid=103892&author=Fulmen] the heat pump is permanently wired. [/rquote]
So ... |
14-11-2018 at 17:03 by: Twospoons |
Stability and precision of Hall-based current sensors? Have you considered some of the ASICs intended for exactly this purpose?
https://www.analog.com/en/ ... |
13-11-2018 at 14:00 by: Twospoons |
High Temp Wire/Sparkplug sources? (1000c+) Tungsten will burn up in an oxidizing atmosphere at furnace temperatures (600C+). |
6-11-2018 at 14:22 by: Twospoons |
High Temp Wire/Sparkplug sources? (1000c+) [url=https://www.aliexpress.com/item/FeCrAl-0-7mm-21-Gauge-AWG-4-94oz-131ft-Roll-Heating-Heater-Wire ... |
5-11-2018 at 16:41 by: Twospoons |
Propane as an inert-gas A lot of the OTC helium has oxygen in it to stop people suffocating while playing the voice changing ... |
18-10-2018 at 16:51 by: Twospoons |
How Nobel actually discovered dynamite? [rquote=538762&tid=93220&author=SWIM]
I've never messed around with anything that would nee ... |
26-9-2018 at 19:33 by: Twospoons |
Hydrogen Whats wrong with plain old electrolysis? Make as much hydrogen as you want, when you want it, at an ... |
23-9-2018 at 22:09 by: Twospoons |
Laser guided mesh network I have built a laser detector that worked at 2km, though the data rate was fairly low. The laser was ... |
21-9-2018 at 12:24 by: Twospoons |
Laser guided mesh network Freespace optical network ... wave bye bye to your internet every time it rains. |
20-9-2018 at 00:15 by: Twospoons |
Plasma Generation by Household Microwave Oven for Surface Modification and Other Emerging Applications And if you don't want to use a microwave, heres one I built from acrylic, a bell jar, and a simple H ... |
13-8-2018 at 13:47 by: Twospoons |
Increasing water pump pressure using 2 pumps in series? The risk you take is that the housing and seals of the second pump will experience double the pressu ... |
25-7-2018 at 20:32 by: Twospoons |
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