Arun Rawat

10+ years building real-world embedded systems — from automotive ECUs to industrial automation platforms.

About Me

I’m Arun Rawat, an Embedded Systems Engineer with over 10 years of hands-on experience in microcontroller development and industrial automation. I’ve worked extensively with STM32, ESP32, and AVR platforms, building real-world systems involving communication protocols, RTOS, motor control, and hardware-software integration.

ControllersTech® was created to share practical embedded systems knowledge in a way that is simple, structured, and easy to apply in real projects.

Most embedded tutorials online are either too basic or too complex without proper explanation. ControllersTech bridges that gap by focusing on clarity, practical implementation, and real engineering use-cases.

What You’ll Find Here

STM32 HAL & LL Drivers

ADC, DMA, UART, SPI, I2C

FreeRTOS & CMSIS-RTOS

ESP32 Tutorials

CAN Bus & Modbus RTU

Custom Bootloaders

Ethernet & TCP/IP

Every tutorial is designed so you can: Understand the concept → Modify the code → Use it in your own project

Beyond Tutorials

In addition to free tutorials, I also undertake custom embedded systems projects at affordable rates — from firmware development to hardware design consultations.

Hardware components and development boards used in tutorials are available at the ControllersTech store.

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Get in Touch

Have questions, project ideas, or collaboration opportunities? Feel free to reach out.