22 April 2022

Milliwatt meter with AD8318 inconsistent readings

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First of all: I do not own a calibrated generator in the frequency range of the AD8318 chip. The closest approximation is a Kenwood handheld...
18 April 2022

Milliwatt meter with AD8318 Arduino code

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I have published the Arduino+AD8318 milliwatt meter code on github . I have changed the slope (can be re-computed with calibration), interce...
14 April 2022

75 metres on 24 GHz

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Finally! A proper Spring day and 90 minutes free to spare! I took my 24 GHz experimental setup to a park and checked how far I can receive m...
06 April 2022

Three hundred thirty three mA

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In-person HAM flea markets are back in business after the pandemic years, at least here in Italy in April 2022. I was looking for some wall-...
02 April 2022

Milliwatt meter with AD8318

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Pushed by a friend who needed help with the firmware of a AD831x milliwatt meter, I (think I) decided to build a real circuit around the AD8...
22 March 2022

Again problems with LiquidCrystal_I2C Arduino library

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I am having issues again with third party Arduino code that uses the LiquidCrystal_I2C library. The code was written in 2015-2017 and since ...
05 March 2022

February 2022 news

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I haven't been inactive in February 2022, I've just not updated the blog. I have been playing extensively [time permitting] with WE ...
22 January 2022

Two triode valve-LED multivibrator

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  Just a couple of pictures to show the two valve astable multivibrator built as a freeform electronic "art piece" that blinks two...