Orange Pi One 1 Board, H3 Cortext-A7 1G
$11.64
$17.11
Description Developer: http://www.orangepi.cn More specs check on this page. CPU Allwinner H3 ARM cortex A7 4-cores GPU Mali400MP2 GPU@600mhz support openGL ES 2.0 512 DDR3 RAM (shared with graphic) Support android 4.4, ubuntu, debian, etc OS and raspberry pi DC power input, 64GB TF card, power and status LEDs, HDMI, RJ45, DVP CSI Camera jack Extra: 10/100M Ethernet, (standard)USB-host, (micro)USB-OTG, on board network, DDR memory, compatible with RPI gpios Onboard power button Unqiue serial interface debugging Need 5V/2A power, please be aware. Also notice microUSB OTG can not be use as power input supply Performance comparison check here. conclusion: should be the most price-effective on hardware, but extra Bluetooth LE IoT gateway cost.
Single Board Computer (Sbc, Rpi)