Thanks. We’ve talked about going to Portugal for climbing with our van, but driving from Sweden it is really hard to ignore the wonderful climbing in Catalonia and continue driving.
It’s not hard… it’s impossible. It’s not doable for me so I don’t even try to resist. Food in Sweden is generally pretty boring. That top right photo of yours… man, that looks really good, exactly my kind of food 
Ahah! As I’m not into climbing, I’m not sure which are the best places here in Portugal to do that, but in the North and even in some places in the Center of the country you’ll find some places for that! Not like the Alpes or Pyrenees, but we have some places for that, for sure 
Well, that’s a good decision, don’t fight back when the food is irresistable 
I tend to agree that food there is quite good, well cooked, but it doesn’t stand out with strong flavours ! But it is well cooked as far as I can tell!
Those are all things from traditional Slovak food (in Presov, in this case). I cannot remember the names, but it was quite good. But you need to be really hungry to manage to eat all of that
My favourite was the top left (dumplings- bryndzove pirohy -, “grilled” onion, bacon cubes, some white sweet sauce) and bottom right (street food with grilled chicken breast, “Placky”, french fries, grilled vegetables with pieces of meat, and some more stuff). Some info here: Eat Local in Slovakia
But…well, if you ever come to Portugal, your drivers will rejoice for what we eat here
Portugal has plenty of climbing and a good variety of styles. If we go to areas new to us we just get guidebooks, like this one: Portugal Rock Climbing Guidebook
I’m back from Asia, landed this morning. I got a bit of development done while I was away so hopefully I can get these drivers out the door before the next trip. Mexico trip is looming but so far those guys have been silent. I don’t know when I’ll be sent there but I suspect it’ll be short notice as usual.
Thanks for the update. 
Hey Mike!
Glad you arrived well!
BTW, last week I was in Sweden, Stockholm and caught the first snow there
This is a pic from Arlanda, before I left
Wish you good trips around the world! 
I’ve re-read the part of the first posts that shows the difference between high side and low side regulation.
I am thinking about DTP boards for LEDs that lack a dedicated thermal pad like E21A.
I have a regular flashlight on my mind, one that passes Batt- through the body.
Am I correct to think that with a high-side regulator it is safe to shorten the LED- pad to the body, effectively making one of the LED pads DTP?
Similarly with a reverse battery direction (positive at the tailcap, passing positive through the body) and low-side regulator it would be possible to shorten the LED+ to the body? (Which would be better for LEDs like typical 3030 which have much larger cathode).
ADDED:
I see that I’m not the first with this idea:
But maybe nowadays with these regulators such setup makes more sense?
That’s right, Agro.
But careful with reversing the battery. In the rare instance that the cell wrapper gets torn, the battery could short out on the tube wall… not good.
I designed a XML MCPCB for my high side regulating lights with no LED- pad, just a fat GND pad. This way I only need a single wire to the LED. I put a wire via for LED- just in case. I haven’t gotten around to testing them yet, I haven’t built a new light in ages, only developing.
I’ve been away for a few weeks of climbing with my girlfriend. It had been many late nights with the development of these drivers so I didn’t bring any development tools with me. I did bring a light for bug testing but I never got around to it, I needed a break.
It was nice with a break but I’m back and development is back up to speed.
:o I guess you’re designing a driver so powerful that will be able to climb these walls 
Good to see you’re well ! Having a break for boring stuff is good
I’m still scared seeing all those rocks above :o
The wall on that first pic is a pretty crazy, some of those stalactites where big enough to squeeze your body in behind them 
Way cool! There are vias because the board itself isnot DTP, right?
Yeah, I put all those small vias in there to help with the heat and resistance from LED- to the host. I’m not sure how effective they are but I figured it can’t hurt. I got them made with OSH Park’s 2 oz copper option. I have to put them to the test one of these days…
Oshpark? So it’s actually a FRP PCB?
Have you considered MCPCB?
I have not tried it yet but small orders from AllPCB start from $16 shipped for a non-DTP alu MCPCB. Not as cheap as OSHPark but not particularly expensive either and may work better.
Thanks for the link, I didn’t know about them… But to be honest I don’t really know what all those options mean. FR-4? CEM-1? Guangzhou or Goldenmax? 
I went with OSH Park because I know how well they work and was thinking that if people can build +10 amp FET drivers with PCBs from them, then a 5 amp XM-L2 should be no issue at all with 2 oz option… It’s more of an experiment really, my plan is to do a test of mine vs copper MCPCB on identical heatsinks and measure the heatsink temps after a while. Hopefully I’ll get around to it someday…
Hurray, I’ve built another light after all this time… I made a custom Fat-3 for a S42 and finally I have light for firmware testing where I can flash with a USB cable:
I think it’s a wrong thread for what I want to write. But since you Mike asked for UI suggestions and there were quite a few already I decided to go here.
Some time ago I got an YLP Falcon. It got an unknown-to-me kind of switch that acted mostly like a clicky but it actually had a momentary action as well.
I don’t really know how is such switch called but it raised my interest in alternative switch kinds. And yesterday I found something similar to YLP but without clicks - a double action momentary switch.
It acts like a regular e-switch but has 3 states: closed, lightly pressed, strongly pressed.
I find it interesting because it should enable richer UI while cutting those daunting multi-clicks to something shorter. And it is much easier to implement with the existing hosts than multiple switches.
Possibilities?
Some quick examples:
Thoughts?
Are there any other interesting switch kinds available?
I have tested dual action switches. The issue with the ones I tested was that they where so sensitive to heat that after soldering they where no longer dual action. I tried a few different brands. At least one other user experienced the same (scroll to bottom): Looking for a dual action switch
I’ll take it up again if someone finds a model that isn’t so sensitive to heat. I’ve given up buying randomly for testing as all of mine failed.