Using Zoho Mail for more than five Years and Still Avoid Google

String Helper Functions

Stack VS Heap in C

Let’s break down SPI modes slowly and cleanly from physical signals, timing, interpretation, real MCU usage.

Relation between array and pointers in c

pattern printing in C

There are multiple AWS services available for IoT, they are listed in this blog. For your reference.

AWS IoT Greengrass

MQTT protocol steps

ADC and RTC in Renesas MCU — how they work, features, use cases, and things to watch out for. Use this for interviews and real firmware design.