We Can Use Transistor To Have Some Loudness. How To Make a Piezo Buzzer Louder is a Commonly Asked Question By Whoever Use Arduino. We talked about transistor in our old post listing common transistors. But that is not all the answer. The Piezo Buzzer itself not any standardized hardware - you need to find buzzer which is itself loud. How To Make a Piezo Buzzer Louder With … [Read more...]
List of IC Which Are Commonly Used With Arduino
The intention is to buy few of them to keep DIY stock supply handy. Integrated Circuit (IC) and Microcontroller, Programmable Microcontroller has difference, although they look similar and may be they are also "IC" in some way. IC weawre going to discuss usually nothing but just a circuit with basic electronic components inside in miniature form. Microcontrollers are usually more costly and … [Read more...]
What Do Brick-and-Mortar and eCommerce Stores Have in Common?
Brick and mortar refers to the physical presence of a business and the term is used to refer who possesses or leases retail stores. It sounds an odd article in technology website. But if you think about increasing pressure to have mobile applications, marking on Google maps to have website for tradition businesses, the matter become obvious. It is fact that many customers expect Internet presence … [Read more...]
Find What Size Filter Your Lens Need
Peoples often searches what mm diameter of filter, macro lens will be perfect. It actually depends only on the particular lens. Here is Easy Guide to Find What Size Filter Your Lens Need. Older lenses has not many ways than finding old manual or Google search or finding experienced peoples. Newer lenses intended for digital cameras usually have the parameter printed on the lens plus box packaging, … [Read more...]
How To Process Healthcare Data in Hadoop, Pig (IBM Demo Cloud)
Previously, we talked about IBM Demo Cloud, which is a free server with SSH access to learn Hadoop, Pig, Hive etc without the need of running own installation. Unlike server log, healthcare data lacks universal format. Here is Basic Commends Showing How To Process Healthcare Data in Hadoop, Pig Using IBM Demo Cloud. As for server logs, we can easily distribute scripts which will work all over the … [Read more...]
How To Run Jupyter Notebook on Android (Termux CLI)
We discussed about custom repo setup on Termux. We will actually see that application here. In this Guide, We Will Discuss How To Run Jupyter Notebook on Android Using Termux CLI. It is no way closest to real stable way, you may need to modify, develop, contribute to make it smooth. The total method is time taking, may throw error demanding searching fix. It is recommended to use an USB mouse or … [Read more...]
Arduino Simple Music Analyzer VU Meter From Stereo Input
In our old guide we made VU Meter using microphone and LEDs, also our Arduino door bell project have kind of VU meter with 3 LEDs. Now, our one reader asked how to create good looking but easy Music Analyzer or VU Meter using Audio input from devices like microphone out or smartphone's USB out. Here is Arduino Simple Music Analyzer VU Meter From Stereo Input Project. It is nothing but reproduction … [Read more...]
How to Use Domain Name Instead of IP Address to SSH
Regular readers know that we have reverse proxy of IPv6 for this website. It is Probably Common to Ask How to Use Domain Name Instead of IP Address to SSH. It is Complicated When Your Domain Has Multiple Servers, Like For Reverse Proxy. It depends on your current computer's IP for setup like ours. For dedicated servers, possibly you have more IP v4 addresses to SSH and face traffic. Obviously, we … [Read more...]
Effectiveness of Flushing DNS Cache to Prevent DNS Cache Poisoning and Spoofing
Situation arises when one new developer self-host DNS and use own computer for temporary or permanent hosting DNS. It is mostly a misconception that flushing DNS of localhost provide good immunity. In This Article, We Will Clarify Whether Regular Flushing DNS Cache to Prevent DNS Cache Poisoning and Spoofing is Sufficient to Provide Them an Acceptable Level of Security. The DNS vulnerabilities … [Read more...]
Arduino : LED Switch On By Push Button Switch Off By IR Obstacle Sensor
First, we made IR Obstacle Detection Sensor For Dimming LED (Stop Event Facing Obstacle), then we made 2 Push Button One LED to Switch On/Off project. Here is Circuit Diagram and Code To Make LED Switch On By Push Button Switch Off By IR Obstacle Sensor and Arduino Board. In next guide, we will improve our Arduino Door Bell - door bell will start with glowing LEDs upon button press and stop when … [Read more...]
Requirements of Platform as a Service (Pass) in DevOps
Platform as a Service (PaaS) is second level of cloud computing. These cloud services provide the users a complete development and operating environment, which are addressed via APIs of the respective provider. PaaS allows companies and software developers to focus on their core competencies without having to worry about maintaining infrastructure, scaling, operations, and middleware all this at … [Read more...]