Codelog ⋆ Kasper Kamperman

Import CSV in MongoDB and keep it in sync.

21-04-202120-04-2021 by Kasper Kamperman

Goal I’m working on a store and business locator service. Instead of building a User Interface to add addresses to a database, I like to keep track of all the data in an Excel/Google Sheets spreadsheet. This article explains how I build a script to import CSV in MongoDB and keep it in sync with … Read more

OSC Data Monitor

17-03-202423-08-2023 by Kasper Kamperman

Monitor incoming OSC (Open Sound Control) data on your network with this application. I also explain in a video how OSC works.

Student evaluation of teaching

07-11-2022 by Kasper Kamperman

As a teacher, I highly value the feedback I get from students. It helps me to evaluate my teaching and learn what students like and dislike. In the last years, I explored and iterated upon a method to enable the student evaluation of teaching.

Arduino – How to fix error .h: No Such File or Directory

07-10-2021 by Kasper Kamperman

I ran into this “No Such File or Directory” myself when I downloaded a sketch from the IoT Cloud environment. I opened it up in the Arduino IDE. When I pressed Sketch Upload I got this precise error message “ArduinoIoTCloud.h: No such file or directory“. If you run into these errors, the chance is big … Read more

Programming in Processing for beginners

17-09-202117-09-2021 by Kasper Kamperman

Learn programming in Processing with this tutorial series for beginners. In this series I recreate the classic Simon Says game, step by step. It’s a great way to learn to create a small but complete digital product (in this case a game) from scratch. We start with reverse engineering the Simon game. In the introduction … Read more

Technical Prototyping a Compass Web App

16-09-202111-09-2021 by Kasper Kamperman

Idea A while ago, I visited a look-out spot on the Holterberg. “Berg” means mountain in Dutch. In a flat country like The Netherlands we even call our smallest hills proudly mountains. Nonetheless, while I was there, I wondered which cities I could actually see in the distance. Of course, I could open up Google … Read more

Mobile First Camera Template (HTML, CSS, JS and WebRTC)

26-03-202317-05-2020 by Kasper Kamperman

A mobile first camera template that serves as a starting point for developing a computer vision, AI vision application. Completely web-based (HTML,CSS,JS). It uses WebRTC and is intended for Android 7/8 (Chrome) and iOS 11 (and higher).

Save Image to Web with Processing and PHP

05-03-201912-02-2018 by Kasper Kamperman

Processing demo code that shows how to upload an image from Processing to a web server. It takes a picture with your webcam and saves the image to a folder on your webserver with PHP.

Using Azure Cognitive Services with Processing

02-09-201830-01-2018 by Kasper Kamperman

Emotion Detection with Azure and Processing

Processing demo code to sent images to the Microsoft Azure Cognitive Services Face API. It takes a picture from your webcam and it will return an analysis of all the faces found.

Particle Photon (STM32F205) DMA Control of GPIO pins

05-03-201916-01-2018 by Kasper Kamperman

In this article I explain how to you can control the GPIO pins of the Particle Photon with Direct Memory Access. This makes it for example easy to drive LED strips without any CPU cost.

How to add source links to image captions in WordPress

02-09-201808-11-2017 by Kasper Kamperman

I needed to add some illustrative pictures to a blog article and I wanted to give proper credit to the photographers and link to their websites. I didn’t found a proper plugin that I liked so I created this solution.