Inside, an Arduino Nano is hooked up to a series of WS2812b LEDs. The LEDs are flashed in ... Adding the heartbeat sensor really makes this project shine, forming a connection between the holder ...

An Arduino Nano is charged with running the ... This data is then used to pulse the LEDs in time with the beat. It’s a fun project that demonstrates the basic techniques required to build ...

Their onboard LEDs are connected to pin D13 ... However, it's a different story if you already have certain projects in mind. As the Arduino Nano and Micro cost the same ($24.90), deciding ...