BeagleBone Black Rev C (4G) Single Board Computer Development Board 4GB 8-bit eMMC on-board flash storage (rev. 3) Provides lots of expansion interfaces such as Ethernet, USB host and OTG, TF card, serial, JTAG (no connector by default), HDMI D type, Emmc, ADC, I2C, SPI, PWM and LCD Small size Easy to use