A dc motor can spin up with quite good rotational speed. But a gearbox can alter the rotational speed to higher torque. Here is a Guide on Choosing the Right Gearbox For Wheeled Robot. Our goal is to make a sturdy design in DIY way to save the cost in long term. Information is provided to avoid various deliberate bad idea distributed by consumer grade websites with a shop beside the blog. We will … [Read more...]
KeyCDN Setup : WordPress, W3 Total Cache, HSTS Website
KeyCDN Offers HSTS, Secured Setup Needs Work. Here is Guide on KeyCDN Setup For WordPress With W3 Total Cache For HSTS Website on HP Cloud. KeyCDN is less known or rather less advertised. We talked about the basics of KeyCDN. There is a link that webpage, if you click & register via it as Free Trial, you'll get $5.00 credit, if you directly register, you'll get $1.00 credit. Like DropBox. … [Read more...]
Nginx PHP5-FPM Restart Fix Note For Ubuntu (HP Cloud)
PHP5-FPM Restart Can Be Fixed on Ubuntu in 2 Ways. Our Famous Nginx PHP5-FPM Restart Fix Needs a Note For Ubuntu Instances on HP Cloud. We have forgotten how we fixed the issue, but our uploading the fix to Github seems to be useful for the users. We are elaborating the issue along with our fix and alternative method. Nginx PHP5-FPM Restart Fix Note For Ubuntu : Problem … [Read more...]
WordPress W3TC Plugin Disable : For WP Update
Disable W3TC Plugin for Nginx PHP5-FPM with Database Caching ON. Here is an easy guide to WordPress W3TC Plugin Disable on a specific common scenario from SSH. However, from the next time, you must disable the W3TC Plugin before hitting the update button. The method is not so easy that you can perform on regular basis - we are writing for Emergency Escape. WordPress W3TC Plugin Disable … [Read more...]
Arduino 3V Motor Control : Level I Advanced Speed Variation
This is a bit advanced guide. Arduino 3V Motor Control Level I Advanced Speed Variation is Second Hard Level Guide Where Diode, Transistor and Resister Has Been Used. We have the first guide - Arduino Basic 3V Motor Control. If you open your Arduino GUI application, under Tools dropdown menu, you will get "Serial Monitor" as option. We will use that Serial Monitor Window to input an arbitrary … [Read more...]
unix Commands to Check Server Logs For Security
Here is a Basic Guide For the Beginners to Self Manage Cloud Server Instances. Master these unix Commands to Check Server Logs For Security. Self-Managing server by one person only is quite dangerous. One of the reason why most advanced users' server do not get under attack is precaution. Introduction to unix Commands to Check Server Logs For Security It is quite normal today … [Read more...]
LED as Sensor For Arduino : Basic Sensors in Robotics
Theoretically, LED Can Act as Light Emitter & Light Detector. Here is How To Use LED as Sensor For Arduino, Circuit & Code Explaining Sensors in Robotics. This plain LED is never used in real life as sensor as basically they are designed to emit light, the light sense works better in one direction, sensitivity is lesser. This is analog sensor. First, we are sharing the code & circuit … [Read more...]
Hardware Accelerated Graphics for Desktop Virtualization
We already have talked abut Desktop Virtualization throughout many articles published on this website. Newer Technology Enabling Accelerated Graphics Performance under Virtualization - Hardware Accelerated Graphics for Desktop Virtualization. Desktop Virtualization is apparent flop, it does have a constant segment of consumers. During VMware World 2015, the annual event organized by one of the … [Read more...]
KeyCDN : A Low Cost CDN For WordPress End Users
Least Costly, Feature Rich CDN Which Can Compete With Akamai is KeyCDN. KeyCDN is a Low Cost CDN For WordPress End Users With Free Trial. We know very well that, Rackspace Cloud Files and HP Cloud CDN are other two great re-seller of great CDN with full support of OpenStack Object Storage. KeyCDN is not powered by OpenStack Object Storage but it is really great and at the time of writing this … [Read more...]
Arduino Blink Torch Bulb : Video, Code & Circuit Diagram
Many Wish To Blink a Bulb With Arduino Like Blinking LED. Here is a Guide With Code & Circuit To Make Arduino Blink Bulb Without Relay. The reason you can not blink a bulb is very easy - Arduino can not supply enough juice exactly like not all motors can run with our basic guides on the web, we indicated the reason & solved problem in our Arduino Basic 3V Motor Control guide. This is … [Read more...]
Plastic Building Blocks For Electronics & Robotics
Plastic Building Blocks Can Be Used For Electronics & Robotics. We Can Join Them To Use Permanently, Add Conductive Foil or Conductive Paint. Our Old Plastic Building Blocks Has Been Reinvented Now. As we have said before, still today, 3D Printing is not so much cost effective that we can do whatever we want. We talked about 3D Printing services too. CNC service is better choice for … [Read more...]