1 files changed, 7 insertions, 0 deletions

diff --git a/README b/README
index ead06c3..3d4b95a 100644
--- a/README
+++ b/README
@@ -3,3 +3,10 @@ Gate Array Learn
 	apt install yosys fpga-icestorm nextpnr-ice40 verilator flashrom
 	make
 	doas make load
+
+Raspberry Pi UART
+	Enable serial communication in raspi-config.
+
+UART
+	stty -F /dev/ttyUSB1 1000000 raw cs8
+	hexdump -ve '1/1 "%u\n"' /dev/ttyUSB1 | pv > pcm.txt