![Matt Heere](/img/default-banner.jpg)
- 140
- 8 196 637
Matt Heere
United States
Registrace 17. 06. 2007
An eccentric collection of stuff I happen to be working on. If your hobby is collecting new hobbies, you'll probably enjoy coming along for the ride.
Single Wire 49 to 1 UNUN
Here we go again. Yep - you can also wind the popular 49 (or 64) to 1 UNUNs with a single wire. You actually get a better performing transformer than the traditional two wire method.
Didn't bore you with every detail, so if you missed the 9:1 UNUN video it's here: czcams.com/video/K3d-IvIFxj8/video.html
Here's a great primer on the advantages of autotransformers by Larry - W0QE: czcams.com/video/Av47HS-XjJQ/video.html
Didn't bore you with every detail, so if you missed the 9:1 UNUN video it's here: czcams.com/video/K3d-IvIFxj8/video.html
Here's a great primer on the advantages of autotransformers by Larry - W0QE: czcams.com/video/Av47HS-XjJQ/video.html
zhlédnutí: 1 174
Video
Single Wire UNUNs - a quick 9 to 1
zhlédnutí 828Před rokem
Came up a couple of times recently that I don't wind UNUNs - especially the 9:1 - the same way as most folks are taught. Here's my method.
Charging Li Batteries in the Car
zhlédnutí 1,2KPřed 2 lety
I wanted a solution for charging Li-chemistry batteries (LiFePO4 mostly) in the car. Commercial chargers are pricy! This solution uses inexpensive boards from Amazon to deal with the random voltages in a car and the charging characteristics of a lithium battery. If you want to 3D print a case, here's a nifty viewer submitted design (Thanks Charlieray!!!). www.thingiverse.com/thing:5092874 Chapt...
The Worlds Fastest DX Commander
zhlédnutí 20KPřed 3 lety
Update: I forgot that I have an older version of this antenna. The wing nut issue I talked about has been fixed, so if you order one today you won't run into the same thing. Most common question I get about my DX Commanders is "how long does it take to put that up." Particularly with the expedition model, folks are operating portable and setup time is lost QSO time. Today I'm walking you throug...
LiFePo4 Battery Build using LiitoKala 32700 cells
zhlédnutí 5KPřed 3 lety
Based on a series of tests done over at the electronicsNmore channel (czcams.com/video/uyAtkGaO0hA/video.html) I decided to build myself another battery for ham radio use. These cells are marked 7000mAh, but their spec sheet says 6500 and that seems to be more realistic. The spec sheet also says 30A continuous discharge, so that's what I built the pack for BUT check the tests over at electronic...
POTA in the Snow
zhlédnutí 1,6KPřed 3 lety
I promised to show you all the linked dipole I built in action. Well here it is. Setup shop at Moraine State Park in Western PA. It's POTA designator K-1387. I tried to keep the extraneous talking to a minimum, but there are two "teachable" moments in here (that's what you call it when you screw up and try to find the silver lining...). The build video for the dipole is here: czcams.com/video/a...
Cheap-O Power Meter Accuracy Improvements
zhlédnutí 1,5KPřed 3 lety
I bought one of the inexpensive DC power meters readily available on the Interwebs to keep track of how much juice is left in my batteries. Turns out that, surprise surprise, the current measurement is off enough that the calculated power utilization isn't going to work for me. This is the explanation of how the meter measures current, and what can be done to alter the measurements. Since we ha...
Portable Linked Dipole with 3D printed parts
zhlédnutí 2,6KPřed 4 lety
Found some inspiration for a new linked dipole on Thingiverse. Should be a nice add to the POTA kit. This is the construction video. Part #2 we'll take it out in the field and look at how it compares to my other portable options. Shopping list: Toroid: www.amazon.com/Fair-Rite-Toroid-Core-FT140-43-Ferrite/dp/B0178IABXW/ Wire: www.amazon.com/BNTECHGO-AWG-Magnet-Wire-Transformers/dp/B07GBNQ1DS/ W...
Best LiFePO4 Value Ever? - Yes IF you get a good one.
zhlédnutí 15KPřed 4 lety
UPDATE: This battery is no longer available unfortunately. I've left the video up in case anyone is interested in battery testing and how to deal with Watt-Hours as a unit. I bought a Kanavano 25AHr LiFePO4 battery from AliExpress for $100. That's a ridiculously low price for this chemistry and capacity, so I figured there had to be a catch somewhere. In the video I: - Run through the competing...
N3FJP ACLog for POTA Activators
zhlédnutí 24KPřed 4 lety
How to handle logging for POTA, particularly for activations, is easily a top 5 question in the group. This is how I do it, using Amateur Contact Log from N3FJP. The video assumes you have the software installed in it's default / brand new configuration and walks through the setup of the necessary database fields. The UI is the customized to streamline QSO entry while out at the park, although ...
Mega Tree with ASAP pole
zhlédnutí 125KPřed 4 lety
Demo at 16:55 - czcams.com/video/BVG3nldkde8/video.html Time for the biggest add to the light show this year! I finally got the time to build a mega tree using the ASAP pole design. This is a construction video (with a short demo at the end). If you're interested in the wiring/electronics behind this bugger, leave me a comment to let me know. Links to the winch plate template: SketchUp: 1drv.ms...
Outdoor Power Distribution for LED lights
zhlédnutí 18KPřed 4 lety
Getting into the 2019 Christmas light show season, and it all starts with the power. No power - no lights. I'm taking the time to build up the power distribution boxes right this year, so neatness now counts. I bought my enclosures and the PSUs themselves from WiredWatts.com. No affiliation with them they just happen to be relatively close, ship fast (and at actual costs), and the owner is alwa...
WWFC 2019: My Take on the Dog Food Stand
zhlédnutí 2KPřed 4 lety
Just under the wire! Here's my submission for this years Woodworkers Fighting Cancer drive. Big BIG thanks to Marc and Nicole over at the Wood Whisperer for sponsoring this event again. If you're not already following Marc's work - you clearly live under a rock and won't be reading this anyway. I went way, way off the plans for this (hope it still counts!) but I had a specific use in mind for i...
Fix the loud fan on a Chinese 12 VDC Power Supply
zhlédnutí 9KPřed 5 lety
Fix the loud fan on a Chinese 12 VDC Power Supply
Harbor Freight Belt Disc Sander Part 2 - LTU & Dust Collection
zhlédnutí 10KPřed 5 lety
Harbor Freight Belt Disc Sander Part 2 - LTU & Dust Collection
New Particle stuff - Mesh and Workbench
zhlédnutí 1,7KPřed 5 lety
New Particle stuff - Mesh and Workbench
Dewalt DW734 Unboxing and Initial Thoughts
zhlédnutí 106KPřed 6 lety
Dewalt DW734 Unboxing and Initial Thoughts
Hi question that controller are 16 port right? do you using all 16 port just for that megatree? how did u setup?
I use controllers that I built myself based on the ESPixel Stick concept. There are two controllers for the tree, each of which is a single port, so each 1/2 of the tree shows up as an IP Address/Controller in XLights.
Great video!
I would like a 30a 36v ebike battery . My bike only uses 15amps at highest setting so maybe 2 p 12s? What you think ?
Im going to say the guy that answered you back had to be staged ive had my license for 3 months now yhere is over 16 repertors in a 10 mile radius. And i have yet to get anyone to answer my call Makes me wish i had not wasted my yime or money getting my license or on a radio
I am blessed to have not one but three very active clubs in my area. It takes an active club to have an active repeater. Seek out the groups that run those machines and join at least one of the clubs. Hopefully they do more than just have a meeting once every two months. Look around for the net schedules for these groups too. If nothing else you should be able to find at least one net that you can check into and ask the other locals where/when you might find an active machine. Whatever you do, don't be put off by a lack of 2M activity. HF is where all the ham radio fun is. 10M is wide open these days so you can get started while you work on your general. POTA is your best place to start. Tons of activity and a super friendly bunch. pota.app
Going through the center actualy increases testosterone.
5:20 Which wire can make the best reception possible? Can solid non insulated wires make better reception in bad conditions or it doesn't matter? Does the height of the antenna stand matter? I want to have it outdoor to minimalize EMI. Do I really need variable capacitor when I will connect using coaxial cable? Is the grounding important or not that much? My hifi have loop antenna terminal connector. Will it work if I connect coaxial cable?
Thanks for the video. Where do you measure your lengths to ? i.e. is the length of the tuning stub measured from the top of the stub down to the top of the short horizontal piece or to the under side of the horizontal piece (when looking at the antenna in the upright position)?
Thanks, this video helped me out a lot!
Helped me big time on a tree jack thanks
I've just passed my uk foundation exam, this is going to be my first RF project. I've watched a few videos but yours explained the construction best. Thank you.
How do you move the washer or dryer once on the pedestal if there needs to be repairs or cleaning the dryer vents? Or if there’s a water leak?
They're not as heavy as you might think. They can be moved with the machines still on them, or obviously you can disconnect the machines and take them off.
Do you have a link for where you bought the bare tool? I’d like to buy another router but without the bases I already have with the first one.
It was Amazon at the time. Don't think it's available any more. There are other brands, but likely if you want the Bosch you'll end up with an unwanted base.
@@MattHeere Yes, I think that’s my only option. Gonna watch prices on Prime Days. At least if I’m stuck with an extra base, it’ll hopefully cost less.
@@MattHeere My husband contacted DeWalt and is working directly with a guy from there. (While I work in my shop, he has a vp construction desk job. Works out well! 👍🏼😂) I’ll post the final outcome, if you’d like, to be able to help others who are having the same need/issue.
Lost a tire tread on my motorhome. The road service guy showed up with a 2 Ton floor jack. I found my bottle jack had fallen over and leaked all over the compartment that I rarely dig into. I could only get a few inches of travel but was able to screw the threaded cap up and got the tires off the ground (duallie). I have now bled it and put it back in the cabinet and wedged it. I knew how to do this 60 years ago but you can see by my gray hair that some of my grey matter has left the enclosure! Tks for the reminder.
Thank you I knew a choke and filter capiciter were needed some how to smooth the flow of the ripple. I've saw a lot of guys just slapping a bridge on the front of an ac welder, and I'm like there's gotta be a cap or something in there. But i didn't know where in the circuit or values. I'm currently working on a lincoln ac 225 tombstone stick welder. Any advice is greatly appreciated. God bless.
You are a great instructor. Clear and informative
Thank you sir!
I have a few old AM/FM stereo radios laying around. What's the chances I actually find the variable capacitor you mention? I don't want to go through the trouble of taking the radio apart if it isn't likely to be in there.
Love that mobile J pole. I have been a ham since 1965 and never made one. My ringo ranger got broken in a storm and I think I will build one. They all seem to have wonderful SWR over the band. de WB7ORB
When I did this I found that the half inch lip was a narrow on my test cut. So I made a free-hand pass with the router to make the lip bigger and the opening smaller. Edit: I did not bother bolting mine to the table so I can pull it out and change the speed, the lift sits inside of a box with a dust collection port.
so I just did the exact same thing with mine. What I was wondering is I installed a 1/2" bit and cannot loosen it to get it out, I didn't want to damage the neralling so I was hoping for an easy answer, I guess I am going to have to grab the neralling with a big pair of channel locks and go for it.
Very useful. Kinda fun too. Thank you!
some great tips there! Thank you
Can't get the cap
Would it be better to use a metal on metal like the diamond bit or a metal file type bit such as used in the automotive grinding tools every time I use the orange or the gray grinding wheels the material eats up the wheel so those types of stones really aren't that effective at removing lots of metal
Good vid. Where can I get those small T-Track clamps you showed? I have searched but cannot find them.
I hope i can see what you are doing
Great video, would it help to bleed air out if the unit was heated to making fluid less viscus? thanks
Thanks very much for your video. Could you please tell me what diameter and cutting length your pattern bit was to cut the final pocket from the template. It looks like 3/4" diameter and 3/4" cutting length in the video but wasn't sure. Thanks.
that's pretty awesome, I'm new ham radio and just got my call sign about a month ago, I'm also from Pa I live in a small town near Somerset. im going to build one and who knows I might be talking to ya soon
Thank you.
Looks well made would love to make it but being a disabled first responder with no drill press I guess this one's out for me. But nice work Matt I bet it works awesome 👍😎
I did one that is 4x4 feet with 4 turns. It worked quite well. My method involved no drilling. or glue I suggest others copy the idea. Imagine you are holding some PVC pipe in your left hand wit a T on top of it. You pass the wire on the side close to you below the T loop it around the T and to behind the pipe in your hand. The result is a wire that doesn't want to slip off the T. This is how I did the 4 corners of the frame. It works fine.
I trust SW more than the internet pal. Good production thank you.
The math is a big tricky to get exact but close is good enough with a variable capacitor to tune with the inductance.
Can we get a close up photo of the driven element?
What you suggest for chainsaw teeth crome teeth tried pink useless
The longer you live the more you realize how useful PVC pipes are
Where is the promised update video? What’s your desk look like now 4 years later?
Let’s go Steelers
I have had this sander for over 10 years used occassionally i even forgot and left it outside in a light rain once it is a bit underpowered and as stated the v belt tension is super critical. You need some basic mechanical and trouble shooting skills to set up these imported luckily there are Utube how to videos on how to set up and used most any H/F corded power tools. Lately Harbor Freight has risin a lot of its prices and a lot of WEN tool which are a notch higher in qualiy and service. For our budget minded Candian friends buying WEN corded tools off Amazon might be a viable option.
I will admit, as a bigger guy myself, I held my breath when you sat in that tiny chair hihi! Good job on the video Matt, you're helping get Callum a new customer here. I'm really close to pulling the trigger on a Rapide.
Subscribed, thank you... How do you log a P2P hunter who is at more than one park?
Radios always fascinated me. I love the way radio works.
Same
Crystal radios are near enough to magic.
A common saying used to describe the proper power pole orientation is “red right, tongue top” where “tongue” refers to the metal contact inside the plastic shell. Thus, looking at the open end of the connector, just as you do, the red goes on the right and oriented such that the tongue is at the top of the opening. I suppose there are any number of ways to describe the orientation.
You helped me so much thank you
Not for IOS?? Wish you had mentioned that in the beginning. Thanks
If I may make a suggestion. At the beginning of this video you could mention that this video is part 2 of a 2 part video. Part 1 was installing a new side extension to accept the future router lift.
@ Mattheere. Absolutely. Ty
Very disappointed you did not start the video with the install of the wing extension onto your table saw.
That's a previous video if you wanted to see it
7 year old video, but still one of the best and most informative JessEm install overviews.
Fabrication steps very clever and well explained.
I'm sorry but this is a piece of China shit.