This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 4/32 warning for details.
1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.
This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.
2) OpenWrt support for this device has ended in 2022.
19.07.10 was the last official build for 4/32 devices.
Ralink's V11ST-FE is a RT2880F evaluation board including a 5-port IC+ IP175C Ethernet switch and on-board Ralink RT2820 radio. It exposes a JTAG and an UART header between the CPU and the Radio chips.
Serial console is on the 2×5 pin header with the following pinout:
RT2880 Wi-Fi
[TX] [VCC]
[] []
[] []
[RX] [GND]
Serials console baudrate is : 57600,8n1