A consumer scans an Alipay QR code to pay for the order at a self-service restaurant in Hangzhou, Zhejiang province. [Photo/Xinhua] The first China-led international standard for QR codes was ...

The QR code is so small, in fact, that it can "only be recognised with an electron microscope". As a result, the research ...

They're reference designs for a reason.

Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...

Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...

Hyderabad: The Centre of Design Excellence (CoDE) at IIT Hyderabad has inaugurated the CoDE Studio, a dedicated design facility aimed at strengthening design-led innovation among micro, small and ...

TechRadar Pro created this content as part of a paid partnership with RS. The content of this article is entirely independent and solely reflects the editorial opinion of TechRadar Pro. Ever wanted to ...

LED lighting has taken roadways by storm, but are they better than HIDs? We breakdown the differences between the two to find the better bulb. LED headlights dominate the industry due to efficiency ...