Raspberry PI performaces are deeply impacted from storage speed. To figure it out, you can imagine for example your SD card as a PC hard disk. Changing mechanical HDD with an SDD storage will drastically increase operating system performances as OS can read and write faster programs code and files. For this reason I refer […]
Testing Raspberry PI Storage Speed (SD, USB) with dd Read More »
In a previous article we saw how to use a mini button switch with Raspberry PI. In this tutorial we are going to apply what we have learned to create a small reaction game. It uses cheap circuit components (mini button switch, resistors, LEDs and wirings), Raspberry PI and a little of Python programming. Differently
Reaction Game (v2) with Raspberry PI and Mini Button Switch Read More »
Raspberry PI GPIO ports are a really useful resource and allow PI to interface real world with a wide number of external sensors. However, some projects requires so many connections with many sensors/devices that the rich 40-PIN GPIO can become limited. In these cases you can get help from a simple and cheap electronic piece:
Using 74hc595 Shift Register with Raspberry PI Read More »
We are all getting used to beautiful email clients. Smartphones, computers, and tablets are plenty of open source email management software to make life really easy and communicate with high-value tools. But sometimes, when some nerds (like me) love working with a terminal, an email client inside your terminal can save looking continuously on another
Terminal Email Client with Raspberry PI and Mutt Read More »
In this tutorial, I’m going to show you how to setup a VPN server with a cheap Raspberry PI Zero W using PiVPN and send certificates via email. This guide applies also to newer Raspberry PI boards. Requests for accessing home or mall office services from remote devices increased in last years as open source
Raspberry PI VPN Server with PiVPN Read More »
Tilt ball switch are small and cheap electronic sensors able to detect inclination. While not being as accurate like accelerometers, they are small, inexpensive and easy to use. For this reason tilt ball switches are popular for toys and gadgets. Tilt ball switch are usually made of an internal cavity with a free conductive mass
Use Tilt Ball Switch with Raspberry PI and Python Read More »
Raspberry PI boards can perform very well to provide complete web server functions with very small budgets. They also have very low power consumption, so many people can start a web page at affordable costs. LAMP is a server composed of the following elements (each one composing the LAMP acronym): Besides installing LAMP server to
LAMP server on Raspberry PI Read More »
Email communication remained one of most used media even with raising of social networks and instant messaging services. It is free, it is unlimited and it can be configured to send complex messages. An addictional usage is with IoT devices, sending mails when defined thresholds are triggered. Quite everyone owns an email address and can
Setup Exim4 to Send Email from Terminal With Raspberry PI (with examples) Read More »
