Open in app

Sign In

Write

Sign In

Mithun Das
Mithun Das

23 Followers

Home

About

Oct 28, 2022

XIAO BLE Sense Firmware Update (UF2)

When you are dealing with microcontrollers, you often come across with the use-case of updating device software (aka firmware). I was working on a project using XIAO BLE Sense and I needed to distribute the firmware. My target users were not technical and were not familiar with Arduino IDE to…

Arduino

3 min read

XIAO BLE Sense Firmware Update (UF2)
XIAO BLE Sense Firmware Update (UF2)
Arduino

3 min read


Mar 30, 2020

AWS Quantum Ledger Database (QLDB) With Node.js and Ionic

What is QLDB? Let me steal the definition from Amazon website as that’s the best definition I found — “Amazon QLDB is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log ‎owned by a central trusted authority”. This means QLDB is centralized ledger database where data is…

AWS

3 min read

AWS Quantum Ledger Database (QLDB) With Node.js and Ionic
AWS Quantum Ledger Database (QLDB) With Node.js and Ionic
AWS

3 min read


May 24, 2019

Build Resilient Microservices Using Spring Retry and Circuit Breaker Pattern

“Everything fails all the time” — Werner Vogels This is sad but true, everything fails specially in Microservice architecture with many external dependencies. Modern applications have tens of microservices which communicate with each other over REST. Anytime any microservice may go down causing entire operation to fail. …

Microservices

4 min read

Build Resilient Microservices Using Spring Retry and Circuit Breaker Pattern
Build Resilient Microservices Using Spring Retry and Circuit Breaker Pattern
Microservices

4 min read


May 16, 2019

Deploy Microsoft Bot framework to AWS Lambda

I got very excited when I first saw Microsoft Bot Framework (https://dev.botframework.com). Microsoft has done a great job! You can deploy same bot to multiple channels such as MS Team, Slack, Facebook. But all the documents/tutorial I read recommend to deploy bot backend code to Azure. I have been working…

AWS

3 min read

Deploy Microsoft Bot framework to AWS Lambda
Deploy Microsoft Bot framework to AWS Lambda
AWS

3 min read


Jan 28, 2019

Let Raspberry Pi’s talk using AWS IoT Shadow

During Christmas break I was planning to implement a smart door bell. A Raspberry Pi in the porch with a camera attached to it. Pi will capture the image of the person, recognize the face and if face matches, it will signal another Pi inside the house which will unlock…

Raspberry Pi

2 min read

Let Raspberry Pi’s talk using AWS IoT Shadow
Let Raspberry Pi’s talk using AWS IoT Shadow
Raspberry Pi

2 min read


Nov 28, 2018

AWS API Gateway Multi-Stage Deployment with Lambda Alias

The Cloud Computing World is moving to Serverless architecture for obvious reasons. There is no need to keep your servers running and paying for 24X7 where you application may be serving your customers 50% of a day. …

AWS Lambda

4 min read

AWS API Gateway Multi-Stage Deployment with Lambda Alias
AWS API Gateway Multi-Stage Deployment with Lambda Alias
AWS Lambda

4 min read

Mithun Das

Mithun Das

23 Followers

https://iammithun.link

Help

Status

Writers

Blog

Careers

Privacy

Terms

About

Text to speech