This is a simple project that reads temperature and humidity from a DHT11 sensor and sends it to an MQTT broker. The MQTT broker is running on a Raspberry Pi 3B+. I made this project to gain ...
The Raspberry Pi Pico is a microcontroller development board powered by the custom RP2040 chip. With its dual-core ARM Cortex-M0+ processor, extensive GPIO pins, and built-in programmable I/O (PIO), ...
STM32F103 (Cortex-M3 코어 기반)에서 DWT (Data Watchpoint and Trace) Cycle Counter와 GetTick (HAL_GetTick) 함수는 모두 시간이나 시스템의 지연 (Delay)을 측정할 때 사용되지만, 그 작동 원리와 정밀도 (Resolution)에서 엄청난 차이가 있습니다. 두 방식의 핵심 차이점과 그 ...
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