"ESP8266 for PIC microcontrollers" is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either ...

Abstract: This paper presents design and implementation of an ultrasonic sensor based walking stick for visually impaired person. An ultrasonic sensor module, HC-SR04 is used for obstacle detection in ...

This is a continuation from the _HAL-STM32-DMA-Poll-GPIO, but instead of using polling methode, we will be using interrupt. The only difference from the previous project, will be in those settings (we ...