$39 pcDuino3Nano Allwinner A20 development board

pcDuino3Nano is an ultra cheap Allwinner A20 dual-core ARM Cortex-A7 development board with Arduino support, selling at $39 with 1GB RAM, 4GB NAND flash, has a SATA connector, microSD card slot, HDMI, mini-jack audio, Gigabit Ethernet, 2xUSB host, 1xUSB OTG, Arduino UNO extension interface with 14 GPIO, 2 PWM, 6 ADC, 1 UART, 1 SPI, 1 I2C. MIPI camera interface, IR receiver, powered by 5V, 2000mA, the dimensions are 91.4mm x 53.3 mm (pcDuino3: 121 mm x 65 mm). pcDuino is made by LinkSprite which is offering their “produce together” service concept to help hackers and companies who have ideas based on the pcDuino boards that they want to bring to the market. Ideas can be things like Home Automation, Car Diagnostics, Rotary Vending Machine, Chess Programming, 3D Printer, Time Lapse video recorder, Smart Garage and more. Linksprite offers their R&D team as a service.