microcontrollers expert
Achieving Sub-10µA Sleep Current on ESP32: Register-Level Analysis
A systematic investigation into ESP32 power domains, RTC memory retention, and peripheral leakage. Includes register-level configurations and oscilloscope measurements proving sub-10µA deep sleep.
microcontrollers advanced
ARM Cortex-M4 DSP Instructions: Practical Audio Processing
Leveraging SIMD instructions on Cortex-M4 for real-time audio processing. Includes cycle-accurate analysis, CMSIS-DSP usage, and hand-optimized assembly for FIR filters.
microcontrollers intermediate
I2C Bus Optimization: Achieving 1MHz on Noisy Lines
Practical techniques for reliable high-speed I2C communication, including rise time analysis, pull-up resistor calculations, and noise immunity improvements.