1. Introduction to UART Universal Asynchronous Receiver/Transmister (UART) is the asynchronous communication standard for microcontrollers and other peripherals. UART is a point-to-point communication standard, that is, in a network, only one device plays the role of Transmister and one device plays the role … Continued
1. Introduction to PWM Pulse Width Modulation (PWM) is a method of pulse width modulation or adjustment of the output voltage intensity value. PWM is commonly used in motor control. Some of the concepts of PWM include: Duty cycle : high … Continued
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1. System ticks and applications System tick is a 24-bit timer located in the ARM Cortex M core. This is a down counter, the task of the system timer is to count from the reload value loaded in the SysTick … Continued
1. What is an interrupt? Interrupts are simply understood as random events that interrupt the course of an ongoing event. To make it easier to understand this new concept, let’s give an example in practice as follows: For example: During working … Continued
1. Theory of GPIO GPIO (General Purpose Input/Output) is a shared output or input pin. Why shared? Because each GPIO pin in addition to Input / Output functions, they also have other functions corresponding to other peripherals. For example: I2C, SPI, UART, ADC… … Continued
1. Brief Introduction STM32 is one of the popular chip lines of STMicroelectronics with many common families such as F0,F1,F2,F3,F4….. Stm32f103 belongs to the F1 family with ARM COTEX M3 core. STM32F103 is a 32 bit microcontroller, maximum speed up to … Continued