Block 2 — Embedded Core Resources All session content at docs.embiq.in/block2/ Session Topic 2.1.1 UART Deep Dive 2.1.2 SPI — Master/Slave, Timing 2.1.3 I2C — Addressing, Clock Stretch 2.1.4 ADC — Sampling, Noise 2.2.1 Interrupts & NVIC 2.2.2 GPIO Debounce 2.2.3 Timer & PWM 2.2.4 Interrupt Bugs 2.3.1 Why RTOS 2.3.2 FreeRTOS Tasks 2.3.3 Queues 2.3.4 Semaphores & Mutexes 2.3.5 Memory Management 2.3.6 RTOS Bugs 2.4.1 State Machines 2.4.2 HAL Design 2.4.3 Error Handling & Watchdog 2.4.4 Event-Driven Architecture