From 5e3d673fdb075fdb83b9738e37d7ac7d445622c4 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Fri, 21 Apr 2023 16:36:35 -0600 Subject: [PATCH] notes about LCD availability --- Notebook | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Notebook b/Notebook index ca976e1..ae2722d 100644 --- a/Notebook +++ b/Notebook @@ -28,3 +28,26 @@ and controlling a FET switch on the output might be smarter someday? edge-launched SMA 2x1 100mil right-angle header +2023.02.10 +- the LCD digits we've used, Lumex LCD-S101D14TR, are only available now if + we're willing to order 3150 pieces at !.85 each or $5,827.50. That's just + not reasonable when we only need 3 per unit and a big build might be 35 + units! + +- DK and Mouser both have the Varitronix VI-611-DP-FH-W in stock. This is a + 6-digit LCD display whose digits are 25.4 mm tall instead of 34.54. This + LCD module would require the PCB width to grow an inch in width to 5.5 + inches. A quick look at the FreeCAD file suggest this is manageable without + a complete re-design of the panel. By using the panel to only expose 3 of + the digits, we could mimic the existing functionality. At $16.27 for q5 + and above from Mouser, this seems like a credible way of making more TeleLCO + in 2023? + +2023.02.15 +- we should have 31 SOC left after TeleMega v6.0 build if all goes well, which + means we should target a batch size of 30 boards. + +- 1170NF in orange is hard to get. The part number is 1170-001-150. + mteagleent.com seem willing to sell me 30 pieces for $1,520.40 plus $15.00 + shipping. Pounce on it? + -- 2.30.2