GreenPhotons

VSCode for everything

Post author:uwezi
Post published:2023-09-17
Post category:AVR Computers Electronics
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Atmel Microchip Studio 1 1/2 years ago now I have finally abandoned Microchip (Atmel) Studio for programming AVR microcontrollers. I have been using Atmel Studio from the very first day…

We need to talk about ChatGPT

Post author:uwezi
Post published:2023-02-05
Post category:AVR Computers Electronics Science
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There are other, more detailed analyses, looking behind the curtains of ChatGPT, this is just a short summary of my own experiences. For more details, look e.g. here: ChatGPT: Interacting…

Weird prices at Bauhaus

Post author:uwezi
Post published:2022-11-29
Post category:Everything
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Bauhaus Uppsala har en märklig prissättning. Redan för några år sen var det svårt att inte nappa för ett rea-erbjudanden på lysdiodslampor som var "nedsatta" från SEK 149:- till SEK…

The TIAN MA A2C00096100 LCD

Post author:uwezi
Post published:2021-01-10
Post category:AVR Computers Electronics
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The electronics distributor https://www.pollin.de/ is often selling surplus displays, but normally these are not very well documented. The TIAN MA A2C00096100 LCD module is a 90 mm x 20 mm…

Post author:uwezi
Post published:2020-08-02
Post category:Computers Politics
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[:de]Wie scheinbar jeses Jahr um diese Zeit, so habe ich auch jetzt wieder ein als Rechnung getarntes Angebot erhalten, an eine mysteröse Firma ein paar hundert Euro zu überweisen. Aber…

Nicely rendered 7-segment numbers

Post author:uwezi
Post published:2020-07-22
Post category:AVR Computers Electronics
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User cbm80amiga has uploaded a nice library to render 7-segment numbers on graphical displays - especially for Arduinos. But the code can as well be used without any Arduino in…

Temperature measurements with an NTC thermistor

Post author:uwezi
Post published:2020-03-23
Post category:AVR Electronics Everything Science
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Following a discussion on Facebook I put here an online tool to calculate the output of a voltage divider consisting of a fixed resistor and an NTC thermistor following a first order Steinhart–Hart equation.

The calculations are based on a voltage divider where either the voltage over the NTC or over the pass resistor is measured. You can change the values in the script according to your own settings. If you break the script for some reason, just reload the page.

SageMath uses Python as programming language.

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Not WormFood’s AVR Baud Rate Calculator

Post author:uwezi
Post published:2019-11-17
Post category:AVR Computers Electronics Everything
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This page without a frame: https://sciencetronics.com/uwezi/avrbaudrate.php

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0.5 mm pitch FPC breakout board - soldered

Some Toner-Transfer PCB Highlights

Post author:uwezi
Post published:2019-05-12
Post category:Electronics
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Some recent highlights from my home-made circuit boards using the toner-transfer method. 0.5 mm FPC breakout board Yes, I have been told that I am crazy before... Designed in KiCAD…

Canvas: Using Python to create Calculated Questions

Post author:uwezi
Post published:2019-05-11
Post category:Everything
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Background I just recently started with Canvas because Uppsala University has decided to use it as its upcoming LMS platform after a failed attempt with another product. Therefore I had…