Monthly Archives: January 2020

Robert Brown Arduino dew controller build, step by step #7

Posted on January 17, 2020 by james

All the pin headers that I’m going to use are now in and there aren’t too many holes left, especially as the two four-pin headers that are left won’t be used (the ones for the Bluetooth connection and the HTU21D … Continue reading →

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Robert Brown Arduino dew controller build, step by step #6

Posted on January 17, 2020 by james

I have now soldered all the resistors and capacitors to the PCB: Yes, I have put all the resistors the same way around. I can’t help myself 🙂 My favoured method for dealing with the resistors is to put a … Continue reading →

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Robert Brown Arduino dew controller build, step by step #5

Posted on January 17, 2020 by james

Time to start some actual construction! Whilst the PCB was uncluttered I decided the first job would be to solder on the headers for the Arduino, so I used the junior hacksaw to cut a couple of 15-pin lengths from … Continue reading →

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Robert Brown Arduino dew controller build, step by step #4

Posted on January 17, 2020 by james

Right then… Components… I’ve given links to the places I purchased parts from where they still exist or if I still have them, but a few things I already had. I have no connection with any of the vendors and … Continue reading →

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Robert Brown Arduino dew controller build, step by step #3

Posted on January 17, 2020 by james

I’m going to post details of the components I used, but before that some comments on the circuit board… The documentation provides a plan for building the controller on stripboard, which looks perfectly good (but you’ll need to add a … Continue reading →

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Swimming, 14th January 2020

Posted on January 17, 2020 by james

Wasn’t really up for swimming today having had a very bad night’s sleep, but I forced myself to attempt a repeat of yesterday’s session anyhow. Sadly it was awful. I first failed on rep six and it didn’t get any … Continue reading →

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Robert Brown Arduino dew controller build, step by step #2

Posted on January 16, 2020 by james

Since it’s relatively easy, I’ll start with the tools required. I think this is pretty much everything I needed for the first build. Covering the easy stuff first, obviously there’s the soldering iron. It would be nice to have a … Continue reading →

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Robert Brown Arduino dew controller build, step by step #1

Posted on January 16, 2020 by james

In an earlier post I said I’d write up the build of my second dew controller, so if you’re not sure it’s for you and need to see how someone else did it, this is it. There are a few … Continue reading →

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Swimming, 13th Jan 2020

Posted on January 16, 2020 by james

With the problems I’ve had over the last few months I’ve dropped things back a bit and this is now my current set: 400m f/c warm-up 18 x 50m f/c, target time 50s, turnaround 90s five minutes rest 18 x … Continue reading →

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Robert Brown’s Arduino-based dew heater controller

Posted on January 16, 2020 by james

Like almost everything in my life, this has taken a lot longer than I was hoping, mostly because I ran out of steam a bit, partly thanks to the weather being so poor, but also because it took some time … Continue reading →

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