diff --git a/README.md b/README.md index 592dc88..5ce9af7 100644 --- a/README.md +++ b/README.md @@ -135,12 +135,10 @@ Test the prototype. it is connected to J1_27+ and wrong pullup/pulldown at boot will prevent ESP32 from booting [x] ESP-32: won't boot when SD connected. Don't solder it at PCB v1.7 - it should be routed differently in newer release - Here is a possible SD card connection + It is routed differently in newer release 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) + moved blue LED from GPIO2 to GPIO5 [x] I2C resistors increased 470->2.2k [ ] GPDI series C=100nF to each differential line. [x] reliable shutdown (D11=RED LED, R4=4.7k) @@ -156,3 +154,4 @@ Test the prototype. [x] move 8 LEDs a bit down and right [x] let SD_CLK go to FPGA clock capable pin: swap SD_CLK and SD_D2 pins [x] additional 2 differential lines for US2 + [ ] clear silkscreen mess with Cx under FPGA