Friday, 7 June 2019

Defiant Radio Set

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CWS Defiant A55 Germanium Transistor Radio Set My mother and father purchased a radio set, about the time they were married (around 19...
Thursday, 23 May 2019

Sound of a Reed Warbler Singing

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Recorded the sound of this reed warbler singing in the ditch by the road one day, thought I would share it on here - the bird itself is comp...
Thursday, 8 November 2018

Citroen Berlingo Heater Blower Resistor Change

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Now the autumn mornings are getting foggier and colder, a good windscreen demister is essential. My 2004 Citroen Berlingo heater blower was ...
6 comments:
Thursday, 19 July 2018

BAT42 Diode Reverse Characteristics

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Here's an odd thing. A graph from a Vishay datasheet for Schottky diode type BAT42. Clearly very temperature dependent, but the curiou...
Monday, 28 May 2018

Entwistle PBXN Pickups - Precision Bass Pickup Replacement

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Continuing my work on the Hohner Arbor Series P-Bass guitar. Replacing the Hohner single-coil pickups with a humbucking pair. But what kind ...
4 comments:
Monday, 21 May 2018

Measuring magnets with a hall effect probe

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Permanent magnets vary a lot in strength. The position of the North and South poles can be in unexpected places too. At school we compared m...
Monday, 7 May 2018

Building a Helmholtz Coil

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I wonder if anyone else who regularly plays an electric guitar in different venues, has the problem I have ... the hearing aid induction loo...
2 comments: