Want to access critical resources from multiple threads in ESP32. Learn how to use Mutexes in IDF for achieving just that.
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A beginner’s guide to HTTPS
Ever wondered how your credit card number is securely transmitted over the internet? Ever wondered how HTTPS works on a high level? Read on to find out.
ESP32 Arduino time operations
This article can act as a reference whenever you need to perform time operations on ESP32 in the Arduino IDE (bookmark it!).
ESP32 – Free memory occupied by JSON objects
Observing your code running out of memory after a few iterations? Memory leaks caused by JSON objects might be the culprits. Learn how to fix them.
How to use cookies in backend API calls
Getting a 302 status code with the “Object moved to here” response when making an API call? Perhaps you are missing a cookie. Learn how to fix that.
A beginner’s guide to MQTT
What is MQTT, and why is it so popular in IoT applications? What are the terms surrounding MQTT that you should be aware of? Read this post to find out.
Nodejs express – Persist variables across the app life
Want your dynamic variables to retain their values throughout the lifecycle of an app, across child processes, in nodejs express? Learn how.
A beginner’s guide to mDNS and DNS-SD
If you are working in the IoT ecosystem, chances are that you may have heard of mDNS and/or DNS-SD. Want to understand these concepts? Read on!
How to discover ESP32 service over mDNS
Learn how to advertise services provided by your ESP32 over mDNS to facilitate discovery by other devices on the local network.
How to enable Time To Live (TTL) in DynamoDB
Learn about the Time to Live (TTL) feature of dynamoDB, how to enable it in the console, its salient features and advantages.