Author Archives: dave

Contact: dave@daveakerman.com

Raspberry Pi “Skycademy”

If you … Are a teacher or youth leader (e.g. scout group) Are interested in applications for the Raspberry Pi Would love to help your class or group send a weather balloon into the stratosphere and take live images throughout … Continue reading

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LoRa Calling Channel and Auto-Tune

When used for tracking high altitude balloons, LoRa has the potential for a receiver to be set up unattended on a permanent basis, but only if it can automatically set itself to the correct frequency, bandwidth and other settings for each … Continue reading

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Raspberry Pi Weather Station

I’ve recently put my Maplin weather station back online, feeding data to wunderground.com.  This is a live object that links to the site to show the current local weather conditions: I bought mine from Maplin, where it is currently £99.99, … Continue reading

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Partial Eclipse From Afar

Back in December I was approached by the BBC about launching a high altitude weather balloon flight during the forthcoming solar eclipse which was total over the Faroe Islands but approx 85-90% over much of the UK. After some discussion … Continue reading

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Pi Party Presentation

As promised, a link to my presentation yesterday at the Pi Party, plus some useful links (from the presentation) for those wanting to know more: Pi Party Presentation Links: www.ukhas.org.uk Successful Payload Recovery How To Lose Your Flight High Altitude … Continue reading

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High Altitude Ballooning, From The Ground Up (and back again)

High Altitude Ballooning makes for a challenging project that sometimes turns into an engrossing hobby.  Whilst it’s not “rocket science” it does encompass a wide range of fields (sometimes literally) and there’s a lot to learn before you send your first … Continue reading

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Making a LoRa Gateway

One of the advantages of the LoRa transceivers, when compared to the traditional RTTY modulation used by most High Altitude Balloons, is that it requires very little processing power at the receiver.  So instead of using a PC or a … Continue reading

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Pi In The Sky Board for Pi A+/B+

Here (at last – sorry for the delays) is our new version of our Pi In The Sky Board, designed for the Raspberry Pi models A+ and B+. These new Pi models required a few changes: New smaller form-factor Connector … Continue reading

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Commercial Launches

Videos from some of my commercial launches: Superman (for RS and Mattel)   Space Potato (for Heston Blumenthal, Channel 4)   Dress Stratos (for Wreck My Dress)   BBC Cracking The Code  

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LoRa Uplink with UHF Power Amplifier

It’s sometimes useful to be able to send a message up to a high altitude balloon – for example to command a cut-down if the flight path is not as planned and is likely to result in a lost payload. … Continue reading

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