With the E1, OKdo has introduced a new developer board that is as small as it is affordable. Based on the NXP LPC55S69JBD100 microcontroller, the board has a host of other features, making it ideal for industrial IoT or automation projects.
https://www.notebookcheck.net/OKdo-E1-An-ultra-low-cost-developer-board.464223.0.html