Both modules are manufactured by the company Ai-Thinker, a Chinese company specialized in the manufacture of this type of modules with applications for IoT and wireless connections. Knowing the ...

Library is based on M2M_Quectel libary from M2M solutions AB and partialy on AT-command-library from Timothy Woo. Library is using UART line to send AT commands to the Quectel module. Some basic logic ...

Abstract: Heart health is one of the parameters of one's health condition. Besides using the ECG machine, heart conditions can be determined through blood pressure measurement. Patient's hypertension ...

Abstract: GPS receivers constitute a topic of great importance since they have application in many fields of science and industry as geodesy, aviation, security and defense to name a few. The ...