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@Herbonius nice find! that tin is the perfect size.:tup: @Pipes by all the responses here it looks like you're going to be pretty busy.:nod: :clap:

http://www.starrett.com/metrology/product-detail/metrology/metrology-products/precision-measuring-tools/fixed-gage-standards/Thickness-Gages/667-4 these are quality tempered steel, should be no health issues at e-nail temps. I've never noticed anything as far as affecting taste. 0.004" thick...

nice progress, very cool with the frequency detection! :cool: good idea to reduce the cap, this application doesn't require much power. you could also drop down to smaller mosfets in your ZVS to gain space, TO220s aren't really needed. I would recommend going to surface mount components when you...

WANT!!! :D that imager is awesome! the thermal conductivity of the quartz, not so much. :science: thanks for posting, looking forward to seeing the liger image.

thanks guys! this is very useful info. I don't like leaving an e-nail running 24/7 so that was one of my design goals for my controller and I'm trying to minimize my run times. currently my session times are about 10 minutes, 8 minutes for the temp to stabilize, 2 for the dab. this is with SiC...

is this on sapphire only? what about SiC or quartz liger vs halo? have you ever used a thermocouple to measure the dish surface temps of your nails? if so what was the range and typically how long of a warm up time for stable temps? anyone know of any studies showing the optimum dabbing...

yeah, no kidding! if the war department knew how much funds I've diverted to R&D she would surely go nuclear! :uhoh::o if it's cool to the touch then a heat-sink is not needed. I think it's probably voltage spikes that's killing your p-channels. not that expensive at banggood...

nice! you have made great progress! :clap::tup: I like the 240 ohm gate drives better, I don't think you need more than this. ZVS failure is usually caused by inadequate power supply but your battery pack should have been good enough. :hmm: maybe the p-channel has too much of a voltage drop...

thanks for the kind words and you're welcome, always glad to assist. :) I started with the basic PID library too but ran into an intermittent bug where the PID would run at a 10 degree F offset from setpoint. I'm not sure if it was my implementation or not but I switched to the ArduPID library...

yeah, I'm a hardware guy too, I have no formal software education, just what I taught myself. I think I have the same PIR sensor, I had the same issues and set it aside. :shrug: I know they make a version of the chip with a narrow FOV but I haven't seen it offered on a breakout board anywhere...

from scratch! nice build! :tup::clap: are you controlling temperature with the nano? are you using PID? if so which one? is there any charring of the work coil from the double windings? you really need a good high current power supply for ZVS drivers or they will lock up and die. lithium...

thanks very much for the warning, this appears to be a common problem. :uhoh: https://www.e-cigarette-forum.com/forum/threads/joyetech-cuboid-150-watt.721356/page-31#post-17291095 "I had a Cuboid for about a day before getting the "Atomizer Short" message at all times. I sent it in to get...

I like the style of the aster, not the built-in battery though. I am leaning heavily towards the cuboid ATM.

damnit @Pipes , you keep distracting me from my e-nail project and itching my VAS. :lol: so I had to scratch it. :D now I have a VC on the way and I just have to have a Project also. :drool: but seriously, again really nice work, you're killing it in DIY! :bowdown::clap: just need to decide on...

really nice work @Pipes :clap::tup: how hot does the coil get now? do you get any smell from the insulation? I couldn't use the stock coils because of this with my e-nail. the temps I needed to run were just too high and the coil smelled pretty bad. the air intake is way too close to the coil...

awesome @Pipes !!! I really like the compact setup. :tup::clap: I like the 10A setup too. I wouldn't call it a fail, I'd call it the Lightning Option. for people who don't have time to wait or are just impatient. :D the tube and switch arrangement is very innovative, really nice work! :bowdown...

yes, I am sure about this aspect. from Conduction and Induction Heating by E.J. Davies: "Using normal hollow tubular coils, it is not desirable to use multiple layers, as the outer layers, i.e. those further away from the workpiece, heat the inner layers as well as the work."...

a double layer work coil wastes a lot of energy through self heating, try going back to a single layer. a larger diameter work coil will reduce transformer coupling between the coil and the work piece. this will draw less current at the expense of increased heating time.

awesome project @Pipes !!! this is a perfect application for induction heating. :tup::clap: you can vary power as you have done by adjusting the coil and you can also vary the number of turns and diameter within reason, try to work with about the same gauge and length or longer wire as the...

hi @Pipes , thanks for the kind words. I briefly checked out your vapcap thread, I need to go back and read the whole thread, awesome! I see your using the same heater module. that's a great application, I love this stuff too! also thanks for the mosfet switch link, it's exactly what I've been...