Persistence of vision is an optical illusion, which commonly happens if an illuminated object moves faster than 1/25 second to complete at least one expected path. Easiest example is rotating a bright LED in a circular way creates a virtual image of a circle. Persistence of vision in DIY Electronics is Used To Create Beautiful Animated Texts, 3D Objects, Basic Line Drawings, Clock With Simple … [Read more...]
Arduino LED Light Chaser : 10+ LED Code & Circuit
LED Light Chaser Mimics as Progressing Point of Light. Here is Arduino LED Light Chaser Guide For 10+ LED With Code, Circuit and Video Demo. We have another LED Light related Arduino guide - Christmas Light. We are assuming that the reader has basic Electronics components kit. We need some jumper wire, resisters, LED, Breadboard and obviously an Arduino board. Skill of wiring work is more … [Read more...]
HP Public Cloud Rightly Moved To HP Enterprise Cloud
The Sunset of HP Public Cloud Was Not Fully Unexpected to Us. This Article Explains Why HP Public Cloud Rightly Moved To HP Enterprise Cloud. Hewlett Packard Company had two divisions of their Cloud Computing Portfolio - Public Cloud and Enterprise Cloud. For future compatibility, we always write the guides as for HP Cloud. Like Zend Opcache Optimization for Nginx on HP Cloud. Why HP … [Read more...]
Light a Bulb With Arduino Ultrasonic Sensor HC-SR04
We can Blink a 1.8V Bulb with our previous Arduino Project. Ultrasonic Sensor HC-SR04 is a Cheap Proximity Sensor For Robotics Projects. We can Light a Bulb With Arduino Ultrasonic Sensor Easily by Modification of the Previous Project. This sensor can measure a distance of 2 cm to 4 meters. This is very commonly used sensor for wheeled Robot to avoid the obstacles. Usability of this Arduino … [Read more...]
Servo Motor Arduino Code : Basic
First, we have the guide on how to buy a Servo motor for basic DIY electronics. Second, we already pointed on how to build a DIY robotic arm. Here is Basic Servo Motor Arduino Code to Test Newly Purchased Servo Motor or Perform Some Basic Action. We Can Fine Tune Degrees of Sweep. For this tutorial, we are using TowerPro SG-5010 Servo Motor, this should work for the cheaper TowerPro SG-90 Servo … [Read more...]
DIY Robotic Arm Kit Building Guide
Previous guide on Robotic Arm has not covered pure DIY method for building a Robotic Arm. It Does Not Matter Whether Arduino and Micro-controller is Used, DIY Robotic Arm Kit Building Guide Covers the Mechanical Part of Robotic Arm. Arduino is too "basic", yet it can be used for the DIY work's electronics part. All movements are practically dependent on servo motors, so reading the guide on buying … [Read more...]
Fetch Drugs’ Details with cURL via API
If you are confused with an odd Brand Name of a Drug, instead of using web search, using our simple cURL can give good amount of information. We Can Use RxNorm API or GoodRx API to Fetch Any Drug Details with cURL on Command Line Interface. It is Helpful to Both Doctors & Patients. We are showing some basic examples. Fetch Drugs' Details with cURL via API : Service … [Read more...]
Robot Arm & Gripper Buying Guide For DIY Electronics
Possibly you played with many robot arm looking toys when you were kids. Nowadays those has been upgraded with sometimes bundled computer software GUI tools. Many Toys For Kids Are Great to Mod & Use With Arduino, Raspberry Pi or others. Here is Robot Arm & Gripper Buying Guide For DIY Electronics. There are some points to know beforehand, a very basic robotic arm can be actually 3D … [Read more...]
Auto Restart MySQL, mysqld : Wrong Concepts
Actually we have discussed it for WordPress Database Connection Error. MySQL, Percona, MariaDB Will Restart on Failure With Configured my.cnf. Wrong Concepts Around Auto Restart MySQL, mysqld are discussed in this guide plus needed my.cnf configuration shown. These two questions are frequently asked : Is there an option to automatically restart MySQL after a crash? Is there any … [Read more...]
Servo Motor Buying Guide For Newbies For DIY Electronics
Reader Need Not to Know Anything! Be it Arduino or Raspberry or Whatever, Follow Servo Motor Buying Guide For Newbies For DIY Electronics. You have to read this huge guide but at the end - you will understand buying Servo Motor is not easy and get a model number for ordinary works. Maxon manufactures great Servo Motors but we are talking about Servo Motors at few bucks for the newbies who use … [Read more...]
Fix WordPress Error in Database Connection : MySQL Part
MySQL Setup & Corrupted Database Has to Do With the Error Establishing a Database Connection. All know - restarting MySQL from SSH fixes the issue instantly in majority of the cases! We Will Fix WordPress Error in Database Connection in this Guide Alongwith Basic Error Log Analysis. For whom this article is intended? Advanced users or who are learning to become advanced users. This guide is … [Read more...]