Our leafcutter bees emerge from their cocoons

Actually the correct term is "eclose"

 

Either way, its an interesting time.

And we've tried to capture a few photos & record some basic data.

Moth Trap: my "Really Userful" guide

 Making a moth trap is a pretty easy project

 

I think I've illustrated this in a few old posts.

But recently someone asked about making the one I use, so here is a slightly better write up.

The Swifts are coming! ...hopefully

 Our BirdNet-Pi system has gone crazy!

 

Its suddenly reporting hundreds of Swift calls.

So what going on?

BirdNetPi: false positives & %conf level

 I don't like false positives 

...but I don't want to miss anything!

That's the dilemma when setting the BirdNetPi %confidence level.

Posting Photos from the Field

If you just take photos on a mobile phone ...no problem!

 

But what if you have a proper camera?

Here are a few tech notes from our 2nd holiday to Costa Rica

BirdNet-Pi: export audio recordings as video

Posting audio detection recordings for others can be tricky.

 

It seems that apps like Facebook don't support audio files.

So I was looking for an easy way around this issue.

BirdNet-Pi: USB audio module testing

I've bought a couple more modules

so thought I'd do some tests to compare performance.

This post concerns the use of USB audio modules in connection with miniature electret microphone capsules.

BirdNetPi: 12 months on, what now?

My system has collected a lot of data.

Can it tell me anything?

And what do I do now?

Allsky: cooling my Raspberry Pi

The Pi 4 can get very hot.

When it does, it throttles the cpu.

So I've been working on a solution.