RDA5807 FM Radio DIY Kit with USB Interface and Shell Option for Electronics
DIY Assembly Kit: Perfect for hands-on learning and electronic projects, includes detailed video tutorials for easy setup. 1 A radio kit. Positive is very important to us. The for real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
USB 5V Sine Wave Generator 0.01Hz-100000Hz for For SCHUMANN Simulation
Adjustable for frequency Range: Features a wide tuning FOR SPECTRUM from 0.01Hz to 100000Hz for versatile application needs. Adjustable range: 0.1Hz~100000Hz. FOR SCHUMANN Wave Simulation: Emits natural 7.83Hz for frequency to promote relaxation and well-being.