Blog

BFSR target type classification

The Battle Field Sensing Radar (BFSR) is a fully coherent Pulse-Doppler radar. It works at a meagre peak power of 5W that makes it difficult to detect by enemy sensors. We classify radiations coming out of the radar using tensorflow CNN.

Writing Wordpress Plugin

If you are providing service that WordPress user can use, then a plugin will help the user use your service easily and elegantly. This blog is for people who wish to write a plugin for a service they want to provide to WordPress users.

Threat Modelling

A transactional website that is open to everyone, should be able to protect its assets against malicious intents. An insecure website has the potential to compromise the user data on one hand and on the other, its services can be disrupted, both of which will result in loss of business.

OCPP compliant EVSE

OpenEVSE provides energy monitoring architecture for Electric Vehicle Charging Stations as well as energy monitoring devices. Here we look at making it speak OCPP and connect to a centralized server.

Configuring Serial ports on Raspberry Pi

Raspberry Pi is capable of doing serial communication using the GPIO pins 14 and 15. Setting Raspberry Pi Serial Ports is expected to be simple and straightforward.

Configuring a bridge using Raspberry Pi

Out here we are focusing on a specific use case, i.e., how to share wired Internet as an access point using a Raspberry Pi (Model B+) Bridge.

Headless Raspberry Pi - Configuration

Headless means that you can access the Raspberry Pi using laptop over wifi. In this mode you do not need the monitor and keyboard at all to work with our Raspberry Pi.

Predictive Maintenance using machine learning

Machine Learning comes in handy when you need to figure out if a battle tank is healthy and battle-ready, i.e., using regression analysis for predictive maintenance.

Sensor Pin allocation for sensor hat

Raspberry Pi Sensor Hat Pin Diagram for the home grown that is part of security camera as well as available as stand alone sensor hat.

Configure RFID RC522 with Raspberry Pi

RFID RC522 is a low-cost contactless communication card chip compatible with Raspberry Pi and Arduino. It is based on the MF522-AN module and ready with the RFID antenna built-in.

Raspberry Pi cloud security camera

If you are a tech enthusiast and wish to get your hands dirty by building your own functional DIY raspberry pi security camera with programmable and extendable AI functions, then this kit is for you.

CloudCam Setup

When you switch on your CloudCam for the first time, you will see it advertise a hotspot by the name that starts with 'CCam-' and is followed by an id. A hotspot with configuration menu provides a easy way to configure your device.

Raspberry Pi SIM800C GSM Hat (Rs.5000/)

This hardware takes in a SIM card and connects to the cellular network. GSM kit has an onboard UPS, which provides several hours of power backup. BSM 24 (physical pin 18) indicates whether the USB power supply is connected. It is up when the USB power is ON.

Mjpeg Vs Mp4(H264) Video formats

H264 is a standard compression format for HD videos. Mp4 is the most supported container format that is compatible with most of the popular browsers.

Apache Cloudstack - Dynamically routed VPC

Currently, in cloudstack the inter VPC traffic has to go thru the public gateway. This means the traffic has to be NAT-ed across public Internet via core-routers, which is inefficient in itself. A more efficient approach will be to route the traffic within cloudstack and even better if no NAT-ing is involved.

What chatbots ?

There are a new variety of chatbots, some are just web forms masquerading as chatbots like the one banks and insurance companies are running. Yes, they are bit smarter than filling up forms and better at keeping the user engaged.

QR-Code driven contactless dining

Coronavirus has drastically changed the way of life. In the new world, hygiene has taken a new meaning. Get a free hygienic QR-code driven restaurant menu. It is easy to create and manage.

Delta Catalog Apps

The platform provides tools to create documents that can do interaction with knowledge-base to render content that is contextual and relevant to the audience. The documents/app are responsive and allow sophisticated data collection.

Compress UUIDs

UUIDS are made of 16 alpha numeric hex characters. Can they be compressed to save space ?

Delta Catalog: Online Catalogs

You can create catalogues that not only showcase your products but also solicit feedback and contact information of the person viewing them. App Catalogues are easy to browse as there is a provision to divide and sub-divide the catalogue into sections and sub-sections.

Delta Catalog: Visitor management

Setup your visitor check-in process in a way that it is pleasing for the visitor as well as convenient for the person handling the reception. In most of the offices, visitor check-in happens at the reception, usually engaging the receptionist for quite a bit of time.