Abstract Background In a number of clinical and research settings. it is desirable to have an individual breathe in a particular fixed pattern (respiratory synchronized breathing). The purpose of this brief technical report is to show how a control system for this purpose can be easily and inexpensively developed using an Arduino UNO microcontroller platform. Results We programmed an ... https://www.pomyslnaszycie.com/tillman-750-stick-welding-gloves-sale/