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Updated Wind Sensor

Posted by Matthew Little on

This is a post to highlight all the changes and testing that has gone into the new design Wind Sensor Interface. I developed this sensor board to monitor different wind speed sensors (anemometers) and wind direction sensors (vanes). The main problem was that the wind speed changes rapidly and so any data-logging system needs to be powered up and recoding... Read more

Bat-mail: Email alerts with the Bat Detector

Posted by Matthew Little on

This post covers a bit of an experiment I tried using both our bat listener kit and the cheeseboard (an ESP8266 development board). I wanted to make a unit that would send me an email whenever a bat was detected in my garden. This would be based upon the ESP8266 and monitor the output from the bat listener kit we... Read more

Prototyping a Wildlife Camera

Posted by Matthew Little on

This blog post covers the main design choices and prototyping stages from developing a wildlife camera unit. I had seen the ESP32-CAM, which is based on the ESP32 wifi module. It's incredibly low cost and does some amazing things (including face recognition) with the example code other people have written. I got hold of a couple of samples and thought... Read more

Workshop Environmental Monitoring Project

Posted by Matthew Little on

I have built an environmental monitoring unit for my workshop. This measures: Air Temperature, Humidity & Pressure PM2.5 and PM10 Particulate values Radiation levels It shows the data on a small OLED screen. There is a large LED RGB display which changes colour if data goes above warning levels. This unit sends data to AdafruitIO via MQTT messages. This is all... Read more

Monitoring Radiation with the CheeseBoard

Posted by Matthew Little on

This post covers adding a radiation sensor (Geiger counter) to my environmental monitoring system.   A while ago I had purchased a NETIO  GC10 v2.4 Geiger Counter. This measures Beta and Gamma radiation and has a serial output, at 9600 baud. The unit was designed in the aftermath of the Fukushima disaster as a low cost way for monitoring radiation... Read more

Adding Headphones to Our Bat Listener

Posted by Matthew Little on

Adding a headphone output socket to the bat listener has been on my list of things to do for far too long! It turns out it's quite simple to do. Replacing the speaker with a 100 ohm to the left and right channels of a headphone jack socket. The output is mono, so the same output goes to both ears.... Read more