Take into consideration these upskilling opportunities if the embedded field interests you:
Refresh your memory on C and C++ programming, as they are extensively utilized in embedded systems development.
ARM, AVR, and PIC are a few examples of common microcontroller and microprocessor architectures that you should become familiar with.
Real-Time Operating Systems (RTOS): These are crucial for embedded systems; get proficient with RTOSs such as FreeRTOS or VxWorks.
Embedded Linux: Gain an understanding of developing device drivers and kernels for embedded Linux.
IoT & Connectivity: Learn about Bluetooth, Wi-Fi, and LoRa, among other IoT protocols and connectivity options.
Hardware Design: To comprehend the entire embedded system, investigate hardware design concepts, such as schematic and PCB design.
Firmware development should concentrate on creating effective firmware for embedded systems while maximizing performance in resource-constrained settings.
Learn how to incorporate different sensors and peripherals into embedded systems with this tutorial on sensor integration.
Project Work: Use your abilities and develop a portfolio by working on open-source or personal projects.
Certifications: For core knowledge, take into consideration suitable certifications like CompTIA A+ or CompTIA Network+.
Upskilling in these areas will help you put yourself in the best possible position to return to the embedded field.