https://ulno.net/tags/raspberry-pi/Recent content in Raspberry Pi on ulno.netHugoenTue, 06 Oct 2026 21:45:53 +0200https://ulno.net/archive/2017/07/12/comfortable-command-line-editors-for-single-board-computers-for-teaching-iot/Wed, 12 Jul 2017 00:00:00 +0200https://ulno.net/archive/2017/07/12/comfortable-command-line-editors-for-single-board-computers-for-teaching-iot/<figure class="fig fig-right" style="width:36%"><a href="https://ulno.net/"><img src="https://ulno.net/pics/misc/tilde-editor.png" alt="Tilde editor" loading="lazy" decoding="async"></a> <figcaption>My new favorite, the <a href="http://os.ghalkes.nl/tilde/">tilde command line editor</a>.</figcaption> </figure> <p>This is a follow-up of my <a href="http://localhost:8000/blog/2017-04-06/nice-but-powerful-command-line-editors-as-alternatives-to-vi-and-emacs/">recent command line-editor review</a> here on my blog. There, I was looking at <a href="http://ne.di.unimi.it/">nice edit (ne)</a>, <a href="https://micro-editor.github.io/">micro</a>, and <a href="https://github.com/kaaedit/kaa">kaaedit</a>. As I was teaching recently a new Internet of Things (IoT) class - <a href="https://ulno.net/teaching/ha/">Home and Building Automation</a>, I was looking for simple to use command editors for my new IoT framework <a href="http://github.com/ulno/ulnoiot">ulnoiot</a>. emacs and vi were not &ldquo;comfortable&rdquo; enough to expose my students to. Having to use git, ssh, and the command line was enough of a challenge to pose, so I wanted to go easy with the editor. I wanted something that behaved very normally and transparently even in the remotely accessed command line. It needed to even support the mouse.</p>https://ulno.net/iot/devkits/Mon, 24 Apr 2017 00:00:00 +0200https://ulno.net/iot/devkits/<h1 id="current-kit">Current Kit</h1> <figure class="fig fig-center" style="width:90%"><a href="https://ulno.net/pics/iot/devkit-after2018.png"><img src="https://ulno.net/pics/iot/devkit-after2018.png" alt="Current IoT kit used at University of Tartu." loading="lazy" decoding="async"></a> <figcaption>Current full IoT kit (and Raspberry Pi 4 gateway with IoTempower dongle) used at University of Tartu.</figcaption> </figure> <h2 id="gateway">Gateway</h2> <p>The concept of a gateway is quite central for teaching IoT the IoTempower way. Therefore, each kit should contain some kind of gateway to allow an easy pre-installation of the <a href="https://github.com/iotempire/iotempower">IoTempower</a> framework. If available for a decent cost this should be a Raspberry Pi 4 with at least 2 GB RAM, a good 3A USB-C power supply, and a fast (at least Class 10) 8GB SD-card. This can also be replaced with another single board computer, an old laptop or even Desktop. Old HPs or Lenovo Thinkpads with at least a dual core Intel i3, i5, or i7 have proven a very good reliable replacement. A Raspberry Pi (starting from Version 3) and some old laptops support running in Access-Point mode and can supply a local wireless network for a student team working with it. If the gateway does not support WiFi in accesspoint mode, a (small) WiFi router (best one that supports <a href="https://openwrt.org/">OpenWRT</a> - this one is often available for a good price: <a href="https://www.gl-inet.com/products/gl-mt300n-v2/">https://www.gl-inet.com/products/gl-mt300n-v2/</a>) should be also supplied.</p>