HobbyMate AIO FVP Camera on a LaTrax Prerunner

I picked up a HobbyMate HB298T AIO FPV Camera for my Tiny Whoop. It’s discontinued, which is a shame, but you might be able to find them on eBay. I got it because of this very specific feature most micro-FPV cameras don’t have: Built-in Microphone. BUT… I haven’t installed the addition to my FPV goggles […]

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I picked up a HobbyMate HB298T AIO FPV Camera for my Tiny Whoop. It’s discontinued, which is a shame, but you might be able to find them on eBay. I got it because of this very specific feature most micro-FPV cameras don’t have: Built-in Microphone.

BUT… I haven’t installed the addition to my FPV goggles that will allow me to receive and record sound yet. Video however is working nicely and I look forward to adding audio to the mix.

Camera Holder

Since this camera is somewhat unique (read: unpopular), I had to model a camera holder myself for 3D printing. Download it here: https://www.thingiverse.com/thing:4590025

I modeled the holder separate from any mounts so this component could be added to other rigs: a Tiny Whoop, a glider or plane, maybe even an RC helicopter. I added pegs to the side so you can secure the camera in the mount with a small rubber band.

Platform

To attach the camera to the Prerunner body, I modeled a platform that uses a body clip underneath to secure it to the roof. Download it here: https://www.thingiverse.com/thing:4590027

I used a body reamer to cut a small hole in the roof for the platform post to go through. I added some velcro to the back of the platform to secure a small FPV camera battery.

Combining Both

I used CA glue to permanently attach the mount to the platform and make them one piece. To speed the dry time I used some CA kicker.

Then I fastened the finished mount to the body with a body clip from the underneath. There’s some tape there to reinforce the back of the roof after it got ran over by an E-Maxx more than twice it’s size.

Testing

I velcroed the battery on and fired the whole rig up. My daughter drove the Prerunner using a set of EV100 goggles.

Here’s some footage of us tooling around in the neighborhood. The recording is made at the googles, so you see all of the interference from trees, cars, etc. At the end the signal cuts out because I forgot to fully charge the FPV camera battery 😬

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Virtual KidsCamp MSP 2020

At home, we’ve created a parody on the Tim & Eric song/skit “All The Food is Poison”

Our version is called “All The Things Are Cancelled” and it goes like this:

All the things are cancelled, all the things are cancelled!

  • WGI – Cancelled!
  • Drum Corps – Cancelled!
  • Sportsball – Cancelled!
  • State Fair – Cancelled!
  • WordCamp – Cancelled?

WordCamp US 2020 was canceled, citing online event fatigue. But the organizers of WordCamp Minneapolis / St. Paul did not. Would we just be another notch in the bedpost of 2020 online event fatigue?

To be honest, the organizing team did contemplate canceling WordCamp Minneapolis / St. Paul as the Coronavirus pandemic continued to linger. But everyone agreed that pivoting to a single-day virtual event was a better idea – and we stayed the course.

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Carrying stuff by bike: fishing rods

I am not a gun nut, but this build was inspired by this comic and conversation:

Looking at it made me think that a similar, but more useful application of vertical bike rack storage, would be for fishing rods. Moore Lake is just down the hill from where I live, and it’s stocked with Bluegills and Bass 🎣

I made this fishing rod holder that attaches to my bike rack for less than $20, mostly from scraps I had in the garage. It holds four rods, but you could adjust it for as many as you’d like, as long as your bike rack setup will accommodate them.

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Flysky Noble NB4 – A great left handed transmitter

Disclaimer: I am not left handed, but this is a great transmitter whether you’re left or right handed… During quarantine I played VRC at least once a week to get my racing fix since all of the tracks were closed. My daughter would often ask if she could try racing as she watched me play. […]

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Disclaimer: I am not left handed, but this is a great transmitter whether you’re left or right handed…

During quarantine I played VRC at least once a week to get my racing fix since all of the tracks were closed. My daughter would often ask if she could try racing as she watched me play. But converting my Spektrum DX3R to left handed operation meant taking it apart to move all the components to the left.

I’d been eyeing a Flysky Noble NB4 because it’s a pro-level low latency transmitter, and it’s killer feature is that it can instantly switch from right to left-handed operation.

Since I wasn’t getting to the track anytime soon, I sold my DX3R and ordered a Noble NB4 with some extra receivers. This write-up will go through some of the features and how I set it up because there are a few things you’ll want to consider.

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Duplicati setup tips for Linux, RaspberryPi & MacOS

Single-user vs service

Before you install Duplicati, there’s one question you need to ask:

Does this computer have multiple user logins (that you want to back-up), or is it primarily used by one user?

This is important because you can install Duplicati in one of two ways: to run as a single-user, or to run as a system service that is available to all users. By default Duplicati is installed for a single user, but if there is more than one user on the computer you want to be able to back-up, you’ll want to install it as a service.

If you don’t install it as a service, when Duplicati tries to read files that belong to the other users, it will get a permission denied error and won’t be able to back those files up. You don’t want to find out that your files weren’t backed up when it’s too late.

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Heroic Sketches

March 11th, 2020 to me, felt a lot September 11th. Thousands of people didn’t die in one fell swoop, but it was when Coronavirus shifted from concern to cancellation. What once seemed far away was at our doorstep. A grim reaper coming that would rack up a worldwide death toll two orders of magnitude greater than September 11th.

As trivial as it sounds, WGI was cancelled on March 11th. With units traveling to Ohio from several countries (including Japan) and all over the US, it made sense to cancel it. Should we all be sitting in close quarters in a poorly ventilated arena? Probably not. Sites like is it canceled yet? had been tracking canceled events, and this was just another notch on the bedpost.

Maybe I could still enjoy some local live music? I had tickets for the orchestra that Friday, March 13th. It was to be canceled too, but not entirely. The orchestra would play – without a hall audience, and they would broadcast it on Minnesota Public Radio. The repertoire? Shostakovich’s 7th – The Leningrad Symphony.

I tuned into the broadcast and sat in darkness to soak in the sounds. You can listen to the historic live broadcast on the MPR site.

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VRC Live Server Setup

There are several great resources out there for setting up a gaming server on Microsoft Azure. This one is specifically for VirtualRC the R/C racing simulator. If you want to host a race and participate in the race itself, you’ll need two VRC accounts (and possibly paid subscriptions): one for you and one for the […]

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There are several great resources out there for setting up a gaming server on Microsoft Azure. This one is specifically for VirtualRC the R/C racing simulator.

If you want to host a race and participate in the race itself, you’ll need two VRC accounts (and possibly paid subscriptions): one for you and one for the race host. You can host a race with a free VRC account, but you’ll be limited to the free tracks and cars – that’s OK too – you’ll surely get a lot of people joining your server if you’re hosting races on the free-to-play tracks.

But if you want the most flexibility and variety, you’ll need to have the full all-inclusive subscription on your VRC account(s).

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Rest In Peace Duron Jr.

With all the other news of the global Coronavirus pandemic, police killings, and riots, I want to take a moment to make sure a important local story doesn’t get lost.

It was recently brought to my attention that Duron Jr. has died. This apparently happened at the end of April, but I just found about it last week. This young man was only in the 5th grade when he was struck by an SUV while crossing 61st from Fridley Middle School to the Fridley Community Center.

Immediately after he was struck the city took temporary action to limit pedestrian travel across 61st while they figured things out.

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