Introduction to UART
Computers transfer data in two ways: parallel and serial. In parallel data transfers, often eight or more lines (wire conductors) are used to transfer…
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Understanding the Systick Timer
The System tick timer is present in all arm cortex-m microcontrollers. Irrespective of whether it is STM32,LPC, Tiva C etc. The System tick timer…
Interrupt Programming
A single microprocessor can serve several devices. There are two ways to do that: interrupts or polling. In the interrupt method, whenever any device…
Programming the Analog to Digital Converter (ADC)
Analog-to-digital converters are among the most widely used devices for data acquisition. Digital computers use binary (or discrete) values, but in the physical world…
Introduction to State Machines
A state machine is defined as an algorithm that can be in one of a small number of states. A state is a condition…
Understanding Pointers
Every variable in a firmware has a name and a value associated with it. When a variable is declared, a specific block of memory…