Entries by Robert Meisner

Arduino HC-SR04 Distance Sensor Driver Implementation

HC-SR04 Ultrasonic Sensor and Arduino The HC-SR04 Ultrasonic Sensor is a very affordable proximity/distance sensor that has been used mainly for object avoidance in various Arduino robotics projects.  It provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a […]

3D Printed Case for Living Green Wall Project

This post is part of the series on DIY Living Green Wall: Living Green Wall Prototype Arduino Watering System Prototype 3D Printed Case for Living Green Wall project To follow you need basic knowledge of Arduino circuits (do some tutorials first) and beginner skills in programming. Business requirements We need the project’s casing to: enclose all […]

3D Printed Case (Modular!) for your DIY Project

Every time I build a DIY project I stumble upon the need to encase it. There is plenty available 3D Printed Case designs online but none truly met my needs for simplicity and modularity. This pushed me to design the case tailored exactly to my needs. Business requirements We need the project’s casing to: enclose all […]

The Prototype – DIY Living Green Wall

This post is part of the series on DIY Living Green Wall: Living Green Wall Prototype Arduino Watering System Prototype 3D Printed Case for Living Green Wall project When it comes to improving your house or health, spending a little green on greens can go a long way. It’s not just about improving your indoor aesthetics. […]

DIY 3D Printer, cheap

Your next project could be DIY 3D Printer. Creating things out of thin air has always been man’s dream. Unfortunately 3D printers are not molecular synthesizers. No doubt in near future every household will be using 3D printing device, just like microwave. We’re talking here about really close future.

How to bold first (or n-th) paragraph of text

In the last two projects I’ve been asked a simple task to bold first paragraph of text. This task proved to be very complex or quite trivial depending on my customer’s requirements. Hope someone will find code snippets below helpful. Lets assume your HTML code looks like that: Lorem ipsum dolor sit amet, consectetur adipiscing […]