Tether backs startup SQRIL, the first real-time, crossborder Scan-to-Pay QR code payment switch for Asia, Africa and Latin America

Stablecoin issuer Tether has invested in SQRIL (pronounced squirrel), the Southeast Asia based startup that provides a payments API switch for banks, ewallets and fintech apps to enable their mobile ...

How to build your own air quality meter with a Raspberry Pi and CO2 sensor

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...
IEEE

Secure Microwave QR Code Communication Using Pseudo-Random Constellation Rotation

Abstract: In contrast to the intelligent reflecting surface (IRS) as a pure reflection device in the past, in this letter, from a more micro perspective, we propose to employ pseudo-random ...
IEEE

QR CODE ENCRYPTION USING LU DECOMPOSITION AND PCA

Abstract: The Quick Response (QR) code, a machine-readable optical label, is a pattern two-dimensional of black and white blocks. At present its applications extend to various domains, including ...
InfoWorld

PythoC: A new way to generate C code from Python

PythoC lets you use Python as a C code generator, but with more features and flexibility than Cython provides. Here’s a first look at the new C code generator for Python. Python and C share more than ...