An RGB LED module is a versatile lighting component that can produce millions of colours by mixing red, green, and blue light ...

CircuitDigest presents the Smart Home & Wearables Project Contest 2025! Win exciting prizes worth up to ₹7,00,000 and receive ...

A primary student learns first aid skills under the guidance of a volunteer from a local Red Cross society in Handan, Hebei province, on Thursday. [Photo by Hao Qunying/for China Daily] With wider ...