Spi, Jtag, Embedded C, I2c, Python, Usb, Version Control, Uart, Debugging Tools, Gpio, Ethernet, ADC, digital audio interfaces, logic analyzers, Oscilloscopes, embedded architectures, firmware update mechanisms, microcontroller-based systems, audio systems, Pdm, TDM, SWD, Codecs, bootloaders, i2s, hardware interfaces, real-time systems, DSP concepts

Git, Shell scripting, Linux Administration, Freertos, Embedded Linux, Linux Device Driver Development, Yocto, Debugging Tools, U-Boot, Network configuration and debugging, Hardware schematics and datasheets, Make files or build systems, ARM microprocessor peripheral driver development, Kernel Development, Profiling Tools, Buildroot