VoCore is open hardware and runs Linux(OpenWrt). It has 128MB DDR, WIFI, USB, UART, SDXC, I2C, SPI, 20+ GPIOs but only one inch square(25.8mm). It will help you to make a smart house, study embedded system or even make the tiniest router in the world.
You will not only get the VoCore but also its hardware design including schematic, circuit board, bill of materials and source code of all applications. You are able to control EVERY BIT of your VoCore.
We invite you join us, help our community improve this open source hardware and use your creative skills to make a more wonderful Internet of Things!


Tiny Size: One square inch, easy to embed to devices.
OpenWrt: Easy to code; super stable, three years no reboot.
Low Cost: low cost, less than 1watt, unmatched performance.
Interfaces: Hardware support USB, Ethernet, SD, I2C, SPI etc.
OpenSource: Both software and hardware, totally FREE
Long Life: Keep production over 10 years, fast email support.
: With the correct drivers installed, the adapter can maintain a stable connection up to 20 metres in open space.
✅ : Often works without extra drivers (plug and play). ❌ Windows users : Almost always need custom drivers. orico bta-403 driver
If you downloaded a .inf driver (manual install): : With the correct drivers installed, the adapter
You can find the necessary software on the ORICO Official Download Page by searching for "BTA-403". : With the correct drivers installed
However, beneath its simple, thumb-drive-sized plastic shell lies a complex story about silicon choice, driver signing, Windows architecture, and the often-frustrating gap between hardware capability and software reality. The "driver" for the BTA-403 is not a single file but a layered ecosystem.