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Recent Activity

Yesterday

epriestley added a comment to T13697: Stop Fusion360 from arbitrarily stealing focus on MacOS.
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Sun, Feb 5, 3:54 PM · Hardware

Sat, Feb 4

epriestley added a comment to T13697: Stop Fusion360 from arbitrarily stealing focus on MacOS.

It stopped doing it as soon as I started watching it. But just wait, I'll catch it in the act. >_> <_<

Sat, Feb 4, 10:03 PM · Hardware
epriestley triaged T13697: Stop Fusion360 from arbitrarily stealing focus on MacOS as Low priority.
Sat, Feb 4, 3:49 PM · Hardware

Mon, Jan 23

epriestley added a comment to T13689: A Considered Review: 3D Printing.

They sell "broken" Ender 3 printers on eBay for like $75 shipped. I ordered two. One had a bad board (a $40 part); one had a bad Y limit switch (a $3 part) -- so the actual cost per printer seems to be around ~$100 if you're familiar with how they work and can identify which parts aren't working.

Mon, Jan 23, 7:36 PM · Hardware

Dec 22 2022

epriestley updated the task description for T13696: FAQ: Pocket Hole Joinery.
Dec 22 2022, 9:02 PM · Hardware

Dec 21 2022

epriestley triaged T13696: FAQ: Pocket Hole Joinery as Normal priority.
Dec 21 2022, 9:37 PM · Hardware
epriestley closed T13694: Create a "BRK/First Alert" smoke detector connector adapter as Resolved.

I traced the alarms back to Breaker #8 in Panel #2 (the detector tool actually worked okay this time). I disconnected the breaker and verified that killed the circuit. I swapped the alarms and updated the map of known breakers with this new information:

Dec 21 2022, 4:42 AM · Hardware

Dec 20 2022

epriestley added a comment to T13692: Build a portable motorized vehicle for a 3 year old.

No great surprise, but the blue boards seem about the same as the red boards and have the same problems:

Dec 20 2022, 5:29 AM · Hardware
epriestley added a comment to T13694: Create a "BRK/First Alert" smoke detector connector adapter.

The genuine article is not a JST-VH 4-pin connector -- the connecting clip is a little different, and there's no hole in the housing for (unused) pin #2. However, the pin size and spacing is right, so you can cut the connecting clip off a JST-VH and melt one of the pins out and the connector will fit well enough.

Dec 20 2022, 12:46 AM · Hardware

Dec 16 2022

epriestley added a comment to T13692: Build a portable motorized vehicle for a 3 year old.

I bought an oscilloscope and tested the speed signal of one of the new red boards once it arrived. The scope showed the perfectly sensible signal I expected, and the signal came off the board fine once I hooked it up. So maybe the first couple boards were legitimately bad?

Dec 16 2022, 10:35 PM · Hardware
epriestley added a comment to T13694: Create a "BRK/First Alert" smoke detector connector adapter.

This connector has a 4mm pin pitch, but I had a great deal of difficulty finding a likely-seeming bare connector with a 4mm pitch. After resigning myself to a Digikey quest for a connector that will fit a board on T13692, which also has a "4mm" pitch I realize the pitch is probably not 4mm but 3.96mm -- a wonderful pitch for which many connectors are readily available.

Dec 16 2022, 10:13 PM · Hardware
epriestley closed T13695: Improve performance of "MAXX Action Police Pursuit" vehicle as Resolved.

Here's the updated lightbar:

Dec 16 2022, 1:19 AM · Hardware

Dec 14 2022

epriestley added a comment to T13694: Create a "BRK/First Alert" smoke detector connector adapter.

Here's my nice safe smoke detector power adapter:

Dec 14 2022, 11:23 PM · Hardware
epriestley added a comment to T13695: Improve performance of "MAXX Action Police Pursuit" vehicle.

There doesn't seem to be anything mechanically wrong with the toy, although the motor and gearbox don't seem to be accessible without breaking something.

Dec 14 2022, 12:46 AM · Hardware
epriestley triaged T13695: Improve performance of "MAXX Action Police Pursuit" vehicle as Normal priority.
Dec 14 2022, 12:06 AM · Hardware

Dec 13 2022

epriestley triaged T13694: Create a "BRK/First Alert" smoke detector connector adapter as Normal priority.
Dec 13 2022, 11:46 PM · Hardware

Dec 5 2022

epriestley added a comment to T13692: Build a portable motorized vehicle for a 3 year old.

The capacitors on both boards arrived pretty banged up.

Dec 5 2022, 8:05 PM · Hardware

Dec 3 2022

epriestley added a comment to T13693: Address various issues with Bernina B740 Sewing Machine.

String Shelf

Dec 3 2022, 7:36 AM · Hardware
epriestley attached a referenced file: F11291992: Screen Shot 2022-11-03 at 4.23.07 PM.png.
Dec 3 2022, 7:07 AM · Hardware
epriestley added a comment to T13693: Address various issues with Bernina B740 Sewing Machine.

Turny Thing

Dec 3 2022, 7:07 AM · Hardware
epriestley triaged T13693: Address various issues with Bernina B740 Sewing Machine as Normal priority.
Dec 3 2022, 6:52 AM · Hardware
epriestley added a comment to T13692: Build a portable motorized vehicle for a 3 year old.

Motor Drivers

Dec 3 2022, 6:18 AM · Hardware

Dec 1 2022

epriestley triaged T13692: Build a portable motorized vehicle for a 3 year old as Normal priority.
Dec 1 2022, 4:02 PM · Hardware

Nov 22 2022

epriestley triaged T13691: Prevent 2015 Audi Q3 radio from playing music on vehicle start as Normal priority.
Nov 22 2022, 9:51 PM · Hardware

Nov 4 2022

epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

Couple of years ago the furnace wasn't working so well. Light comes on, three reds. Pressure switch stuck open. I take off a panel, pull the pressure switches. The contacts close properly. No clue what's wrong. Call an HVAC guy. He's pretty busy. No problem, we got plenty of sweaters. Ha. He makes it out early the next week.

Nov 4 2022, 4:04 AM · Hardware
jmeador added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

all my drains are belong to PVC

Nov 4 2022, 2:28 AM · Hardware
epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

... condensate drain ...

Nov 4 2022, 12:28 AM · Hardware
epriestley triaged T13690: A Considered Review: PCB Manufacturing as Wishlist priority.
Nov 4 2022, 12:21 AM · Hardware
epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

...there's enough absorbent material underneath the sink...

Nov 4 2022, 12:05 AM · Hardware

Nov 3 2022

epriestley updated the task description for T13689: A Considered Review: 3D Printing.
Nov 3 2022, 11:44 PM · Hardware
epriestley triaged T13689: A Considered Review: 3D Printing as Wishlist priority.
Nov 3 2022, 11:43 PM · Hardware
jmeador added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

(You don't actually need a leak detector, I think there's enough absorbent material underneath the sink to last a long while before it damages the floor)

Nov 3 2022, 10:01 PM · Hardware
jmeador added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

Here is my bathroom sink. The right-most pipe coming out of the wall is the condensate drain from HVAC. The tailpiece is most definitely 1 1/4 and the rest of the piping is 1 1/2, at least to the naked eye.

Nov 3 2022, 9:41 PM · Hardware
epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

I can't see a way to make the trap be any less garbage than it is because the 4" flanged tailpipe (the shortest flanged 1-1/4" tailpipe I could find) plus an additional 8" of tailpipe underneath it (the only 1-1/4" branch tailpipe I could find, which is only available with a slip fitting) means that the bottom of the lower tailpipe is super low. It looks like I left an extra 6" of flexible pipe on the drain side for fun, but that's just the rigid bottom of the tailpipe plus the minimum bend radius without making the flexible pipe start to crimp -- the bottom of the tailpipe is like 1-1/2" below the black plastic retainer clip.

Nov 3 2022, 9:09 PM · Hardware
jmeador added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

A few more thoughts:

Nov 3 2022, 8:31 PM · Hardware
epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

Since there's no fresh water supply to the dehumidifier I don't think there's much benefit to an air gap, as there's no way backflow could ever contaminate a supply line. A clogged sink drain could possibly drain sink water out through the dehumidifier bucket, but the top of the drain line is only ~1"-2" below the top of the sink so it would overflow the basin onto the floor before very long anyway.

Nov 3 2022, 8:14 PM · Hardware
jmeador added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

My terminology might be wrong throughout this but a couple thoughts:

Nov 3 2022, 4:51 PM · Hardware

Oct 26 2022

epriestley added a comment to T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe?.

Other options I explored and rejected:

Oct 26 2022, 8:42 PM · Hardware
epriestley triaged T13688: How do you reasonably plumb a 1/4" drain line into a 1-1/4" drain pipe? as Wishlist priority.
Oct 26 2022, 8:34 PM · Hardware
epriestley created Hardware.
Oct 26 2022, 8:32 PM