1.3-dev

2025-10-29 19:01:17 -06:00
parent 832a1a81d1
commit 79340916d5
5 changed files with 50 additions and 59 deletions
@@ -0,0 +1,21 @@
+# Notes
+## Cable Delay
+gps cable delay :  RG-85 : 0.051 ns/cm  
+10ft in cm: 304.8  
+gps cable delay: 304.8*0.051 = 15.5448ns, round up to 16ns  
+
+## pins running
+### GPS
+#### gps WORKING
+yellow - 3.3v - pi physical #17 (3.3)
+black - gnd - pi physical #6 (gnd)
+white - pps - pi Physical #12 (gpio 18)
+blue - rx (module) to tx (pi) pi physical #8 (tx)
+green - tx (module) to rx (pi) pi physical #10 (rx)
+baud 9600
+### RTC
+#### i2c rtc WORKING!
+red - 3.3v - pi physical #1 (3.3)
+black - gnd - pi physical #9 (gnd)
+brown - scl - pi physical #5  (i2c clock)
+green - sda - pi physical #3 (i2c data)