Onboard parts: piezo buzzer + NPN switching transistor + base resistor + power LED
ATmega328 in DIP package: Handy for replacement and custom work
1 × Bluno Nano
5V Size 35mm x 29mm Category proximity presence sensors Wiring & usage notes
Operating Frequency: 2400MHz ~ 2524MHz
Raspberry Pi 2 Model B - Quad-Core ARM Cortex-A7 Computer wido Onboard parts: piezo buzzer +Raspberry Pi 2 Model B is a proven quad core SBC for learning Linux, retro gaming, signage, and GPIO driven projects. You get a quad core ARM CPU, 1GB RAM, full size HDMI, 10 100 Ethernet, and the standard 40 pin GPIOperfect for classrooms, makerspaces, and embedded prototypes in the Philippines. Quad Core Classic Solid for Labs, Retro & Kiosks Reliable platform: quad core SoC @ ~900 MHz with 1GB RAM for light desktops, Python, and services. Maker