latigid on

Full 16x16+X BLM with silicone buttons, matching case. Interested?

89 posts in this topic

Thanks!

Maybe it's weird lighting, but this BLM has three colours: blue, green and cyan (and off). The way I've wired the LEDs would correspond to TK's green, red and yellow. You could also choose to swap the green with red, then you get pink as the third colour.

Share this post


Link to post
Share on other sites

It looks awesome! And sorry for not jumping on the list. I'd really like one, but still have no studio space! :-)

 

The colors appear different probably due to cam shutter effects in conjunction with pulsed/matrix driven LEDs. The middle section (darker) may have been in a different duty cycle than the others :-) I have the same problem when filming the Programma and a few synths ;-). If taking still photos, it helps to use a long exposure time (a second or two) and to use a small aperture/low iso setting.

 

Many greets!

Peter

Share this post


Link to post
Share on other sites

Interesting, it looks like Mouser will soon stock the button pads. If so, that's a great way to get almost everything in one order. I'm a bit busy but I'll try to get PMs out in the next few days to confirm addresses, payment details etc.

Mouser part:

485-1611

Currently out of stock but I've requested a delivery quote.

Share this post


Link to post
Share on other sites
attachicon.gifpilot3.PNG

 

Here the hole centres are 25 mm apart, same 10 mm diameter indicated in green.

 

This looks good to me!

Share this post


Link to post
Share on other sites

Okay, case revs are final then. :)

 

I've made several improvements which will bump the price up slightly, these include 6 extra studs and 4 threaded holes to secure the front panel, the latter M2 grub screws are optional. Everything is nicely symmetrical and even functions as a visual guide. Also my idea of mounting the rubber feet through the bottom nuts didn't work because the actual screw threads are too short to get past 3.2 mm aluminium and into the integral nut. So there are 4 more there and these are the reasons for extra cost.

 

I think you'll be very happy with the cases though, they're sturdy and stylish.

Share this post


Link to post
Share on other sites

Another point: Mouser have gotten back to me about the button pads. While they are listed as "non-stocked", apparently the delivery time is 1-2 weeks. The pricing is fair, but there will only be about $10 difference in a larger bulk order, so it's easier for everyone to just get theirs directly. This is a great way to get almost everything in one order, especially for Europeans who will even get free shipping.

Share this post


Link to post
Share on other sites

You've got to love buying from Mouser, the last order I placed with them about a month ago had over 1000 components on it. I ordered on a Tuesday evening and it was delivered from the U.S. to the UK by Friday morning with free shipping and no import taxes!

Share this post


Link to post
Share on other sites

About the Mouser ordering: people keep forgetting that there will be a brokerage fee, e.g. from UPS or whoever handles the transportation. This fee includes the VAT plus the money they want for paying the VAT upfront for you. The bill usually arrives a few weeks later. So, take that into account as well you Europeans!

Share this post


Link to post
Share on other sites

I have never had any extra brokerage fee's from Mouser when ordering, it has all been built into the final price at the checkout.

 

The basket price is ex VAT, so there is an extra 20% (in the UK) to factor in but that's fine as long as you know about it.

Share this post


Link to post
Share on other sites

UPS slaps on a brokerage fee and VAT later for Mouser orders. using FedEx lets you pay VAT straight away on the Mouser order, and there is nothing extra to deal with. At least, it's been that way for me lately.

Edited by jojjelito

Share this post


Link to post
Share on other sites

Progress:

 

large.BLM_1.1.png.66ca9c6f8f97a29a91e8ba

 

New additions:

  • More mounting holes
  • Holes centred
  • Fixed traces
  • LPF for PSU (to test)
  • Schmitt triggers on SC, RC and SO lines (keeps clock signals at Vcc to avoid latch-up)
  • Start up delay for /output enable EDIT: can also be controlled by a spare PIC pin if available/if there's code space left (e.g. port B currently allocated to the LCD)
  • Base-emitter resistors, might help with the very faint ghosting. Also necessary when tri-stating the 595 outputs at start up
  • Discrete components are easy 1206, in fact the most fiddly thing will probably be the 289 THT diodes!
  • Diode bending jig added to a corner (experimental)

 

Edited by latigid on

Share this post


Link to post
Share on other sites

@ latigid on
can you upload a High Res PDF Version of the BLM, please?
I need it for troubleshooting.

Thanks and Best Regards
Jack

Edited by Jack

Share this post


Link to post
Share on other sites

Hi Jack,

I have to think about that, but for the moment you can follow the connections on the schematic:

http://www.ucapps.de/mbhp/mbhp_blm_map.pdf


I'm here and I will help you. Please use the build thread or PM with specific problems and we'll get to the bottom of it.

Best,
Andy

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now