FW3A, a TLF/BLF EDC flashlight - SST-20 available, coupon codes public

I’d like to get a FW3A.

Please add me for 1 FW3A

Yes will update list later :slight_smile:
autodidact, welcome to BLF!

Please add me to the list for one.
BTW I really tried to resist…

In for 1. thanks

Please add me to the list for 1 light. Thanks!

Hi Miller,
Can you put me in for two please? Many thanks.

The driver will most likely have another firmware option available after release. I plan on doing a thing with it where you configure it by pointing it at a screen so it can read Morse code. I’m not sure how useful that will be in practice, but it should at least be a fun project.

Oh, and I should probably be on the list for two instead of just one, so I’ll have one to use and one to mess with. :slight_smile:

Put me down for two please.

Wow, yes will update the list later.

TK, yeah in the design this future firmware is taken into account. Could e sweet, choose the setup of your light on the pc, hold light to screen and it gets the setting one prefers.
lot of work, for the pc/smartphone user interface and firmware are to be made, so nobody would expect this to happen soon,
the mere fact you are checking in on the driver development is already very cool!

How about (Advanced) QR-code?

My limited understanding is that with an extra component on driver the led can be used to detect flashes of a screen.
In a special config mode in the firmware one should be able to program the light using the flickering of a PC or smartphone screen

I’m in.

In for 1.

I want one

Hah, no. It has three LEDs in parallel, not a camera. :slight_smile:

So, it effectively acts like a single pixel, and can only sense a single pixel worth of information. It’ll have to talk in blink patterns instead of QR codes. And since the screen can be just about anything, it’ll probably be pretty slow in order to make it compatible with a wide range of devices. DEL modified the circuit a bit to make it work, and figured out a way to somewhat amplify and center the signal to improve sensitivity, but it’ll still be a pretty slow one-directional data transfer.

It’ll probably be useful for people who build and sell lights, since it could eliminate some of the need for reflashing. For example, it might be possible to configure voltage calibration from a phone. But for most people it seems like more of a gimmicky novelty. And it could easily go too far and make the thing brickable, so it would be a bad idea to put it in receive mode at a disco party.

(I’m planning to give it at least some minimal data verification algorithms, so accidental configuration should be unlikely, but it’s not exactly going to crypto-sign and checksum each transaction)

I’ll take one, thanks.

Good day The Miller,

Please put me down for 1 of FW3A flashlight.

Thank you Very much,


Hahaha TK, “my FW3A is acting weird, LVP kicks in at 4V and I have only 1 mode” , all baffled only to discover it was a disco party the night before :smiley:

Will update list later :wink: