In this tutorial I’m going to show you how to use PWM with Raspberry PI, include an example with a “breathing” LED. Pulse Width Modulation (PWM) is an electronic technique of reducing the (average) power provided to a circuit by providing regular discrete pulses. As Raspberry PI hasn’t analogic PINs, this can provide an effective […]
PWM with Raspberry PI: python example usage for a breathing LED Read More »
In this tutorial, I’m going to show you how to connect Raspberry PI to a matrix keypad and get user input from Python. How Matrix Keypad Works One of the most common industry input devices, matrix keypads are frequently installed on phones, domestic appliances and also in some low-cost safe boxes. Common matrix keypads are
Connect Raspberry PI with Matrix Keypad to get User Codes Input Read More »
In this tutorial I’m going to show you how to setup and wire a 8×8 Led Matrix with Raspberry PI and Python, explaining code. A very simple electronic component, 8×8 Led Matrix with Raspberry PI (and Python) can display nice and simple images whose application limit is only your fantasy. How 8×8 LED Matrix Works
Use a 8×8 LED Matrix With Raspberry PI and Python Read More »
In this tutorial I’m showing you how to configure and create a simple parking sensor with Raspberry PI, visually measuring proximity distance with ultrasonic sensor HC SR04 and showing it on a 10 segment LED Bar. Park assistants were optional in older cars but soon it became a common component in recent car models. A
Raspberry PI Parking Sensor with HC-SR04 and LED Bar Read More »
In this tutorial, I’m going to show you how to wire and use a common 10-segment LED bar with Raspberry PI. 10-segment LED bars are commonly used to get visual indicators, usually to measure filling status. You can use these electronic items with Raspberry PI, switching each LED separately How 10 Segment LED Bar Work
Using a 10-segment Led Bar with Raspberry PI and Python Read More »
In this tutorial I’m going to show you how to install Facebook Graph API in your Raspberry PI and publish posts on Facebook pages. Facebook is the world most used social platform. In some cases, having a python robot able to post your messages can help with managing a lot of pages. Facebook Graph API,
Facebook Robot to Post on Pages with Raspberry PI Read More »
In this tutorial I’m going to show how to install and use Dialog on Raspberry PI, as in many debian-based linux distributions. Writing terminal scripts for Linux on shell can need at some point getting user inputs from a graphic box. A common and elegant solution uses Dialog (also available on Raspberry PI) to create
Beautiful Terminal User Interface with Dialog and Raspberry PI Read More »
In this tutorial I’m going to show you how to install a Jitsi meet server in your Raspberry PI computer board. Even if already used with smartphones, video meetings overwhelmingly raised with Covid pandemic. Between solutions discovered in this context, a great open source and web application to host your video meetings, Jitsi, can run
Self host your web meetings with Jitsi and Raspberry PI Read More »
