readme update

7 years ago · f9985ae004
parent c86d41449f
commit f9985ae004
1 changed files with 1 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -140,6 +140,7 @@ Test the prototype.
        Arduino->Examples->ESP32->SD_MMC_Test
        https://github.com/espressif/esp-idf/blob/master/examples/storage/sd_card/README.md
        move blue LED from GPIO2 to GPIO17
+    [ ] SD card pullup pulldowns (do we need them if FPGA can pullup/pulldown)
    [x] I2C resistors increased 470->2.2k
    [ ] GPDI series C=100nF to each differential line.
    [x] reliable shutdown (D11=RED LED, R4=4.7k)