readme update

6 years ago · 472457808b
parent c44f3f9786
commit 472457808b
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -198,3 +198,5 @@ Test the prototype.
    [ ] check voltage
    [ ] check for output conflicts
    [ ] power decoupling capacitors for ESP32 and OLED
+    [ ] AC-coupling 100nF capacitors for GPDI
+        HPD line (HEAC-) may return 5V to FPGA!