ask about drill bit sizes for arduino to deck

[challenge-bot] / bill-of-materials.rkt

diff --git a/bill-of-materials.rkt b/bill-of-materials.rkt
index c33c08bec7a86cc8ba40c266781061e70e040678..e257d878090cdb3499a968aebcf69dfa77371439 100755 (executable)
--- a/bill-of-materials.rkt
+++ b/bill-of-materials.rkt
@@ -45,6 +45,7 @@
          [note ""])
   (item description quantity unit-cost max-lead-days where-to-get note))
 
+;; TODO: add sonar sensor cable making supplies
 ;; TODO: add actual cost for screws, nuts, and other estimated parts
 ;; TODO: add male-female jump wires for connecting sonar sensors
 ;; TODO: add ball caster
@@ -70,7 +71,7 @@
               ;; this is the argument for the parameter 'quantity'.
               ;; this is the number of millimeters of orange wire
               ;;  in a single robot kit.
-              ;; there are 2 orange wires, one for each wire.
+              ;; there are 2 orange wires, one for each motor.
               ;; the 120 mm wire reaches to the far side of the
               ;;  motor controller
               (+ 120 90)