readme update

7 years ago · e7d9fd6f31
parent e9b0b4d878
commit e7d9fd6f31
1 changed files with 3 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -195,3 +195,5 @@ Test the prototype.
    [x] Connect switching power supply jumpers
    [ ] every 1-2 seconds there are clicks at analog audio output
    [x] 3.6V zener diodes must be on FPGA side
+    [ ] power output header: GND 1.1V 2.5V 3.3V 5V output
+    [ ] can esp32 second tx/rx port make serial communication with FPGA