Category Archives: Projects

The Solar Greenhouse project begins!

I’m actually expecting it to take somewhat longer to get this one off the ground, but over the weekend I picked up the first component for this project. The idea is to build a greenhouse that will stay warmer than … Continue reading

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The cleanest seed in all the county…

I allowed some of my coriander to run to seed this year. I didn’t want the seed to replant as that particular variety seems to gallop into flower at the slightest sign of sunshine. I was interested in having some … Continue reading

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Piano, four days in

I’ve been practising every day and the simple stuff seems to be coming more easily now, but it’s far too early to make a decision between the two books I’ve been reading to learn. Andrew Furmanczyk’s videos I’m losing faith … Continue reading

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The rain gauge is playing up again :(

When I put it back up things seemed to be going well, but over the last few days the rain gauge has been giving some very strange results. I suspect it has been counting bucket tips when there aren’t any, … Continue reading

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AAG rain gauge repaired

Well, I hope so, at least. A new reed switch arrived and has duly replaced the old one. That turned out not to be too tricky. After unsoldering the original switch I bent the leads so the body of the … Continue reading

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AAG 1-wire rain gauge (TAI-8575) circuit diagram

I’m not going to claim this is absolutely spot on as I’ve reverse-engineered it from the PCB traces which aren’t always easy to make out, but below is my best current idea of the circuit diagram for the PCB inside … Continue reading

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The rain gauge dismantled

I’ve now got the rain gauge down and taken it apart. Possibly I’ve posted photos before, but this is what the guts of it look like: After ungoo-ing the PCB, I’ve come up with a first approximation of the switching … Continue reading

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My rain gauge died again :(

A short while ago my AAG 1-wire rain gauge stopped telling me that rain had fallen at all. The 1-wire device still shows up in Linux and is readable, but the 1-wire counters never change. I’ve checked by dribbling water … Continue reading

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Tonight Matthew, I am Kenwood Chef repairman

Well, actually it’s taken more than one night, but tonight I finished the job after receiving the last of the spares I had to order… A few weeks back our Kenwood Chef stopped working. It’s a KM400 model that we’ve … Continue reading

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Grow your own pineapple #2

Nothing doing in the garden on Saturday because the weather was utterly miserable — rain and thunder almost all day. I went to the beer shack and made a batch of beer instead. Sunday was lovely by comparison, particularly as … Continue reading

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