In this guide, we shall learn how to use the ADC of the STM32 for single channel Single Conversion mode using only registers. The ADC is commonly used to measure the voltage from a sensor for example temperature sensor such as LM35 which can...
READ MOREThis guide shows how to use the HC-SR04 Ultrasonic Sensor with the STM32F411 Nucleo-64 board using only registers level with GPIO polling mode. The ultrasonic sensor uses sonar to determine the distance to an object. We’ll show you how to wire...
READ MOREAs you may know memory holds code and data for the CPU to process ,and the I/ O ports are used by the CPU to access input and output devices. In the microcontroller we have two types of I/ O. They are: a. General Purpose I/ O (GPIO): The GPIO...
READ MOREComputers transfer data in two ways: parallel and serial. In parallel data transfers, often eight or more lines (wire conductors) are used to transfer data to another device. In serial communication, the data is sent one bit at a time. In the...
READ MOREThe 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 allows the system to initiate an action on a periodic basis. This action is performed internally at...
READ MOREA single microprocessor can serve several devices. There are two ways to do that: interrupts or polling. In the interrupt method, whenever any device needs service, the device notifies the CPU by sending it an interrupt signal. Upon receiving an...
READ MOREAnalog-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 everything is analog (or continuous). Temperature, pressure (wind or liquid)...
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