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

diff --git a/bill-of-materials.rkt b/bill-of-materials.rkt
index 9252954a436f7b5163c56436d28563bc7032d9d8..4a2754cf09532a131da152778b7dbc020b5b4888 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
@@ -155,8 +156,10 @@
                "http://www.jameco.com/webapp/wcs/stores/servlet/Product"
                "_10001_10001_36792_-1"))
    (make-item "9v battery"
-              1 (/ 9.99 5) 1
-              "http://www.frys.com/product/5234117"
+              1 1.29 1
+              (string-append
+               "https://www.jameco.com/webapp/wcs/stores/servlet/Product"
+               "_10001_10001_151095_-1")
               "can get in store")
    (make-item "9v battery holder"
               1 (/ 1.25 10) 1
@@ -192,7 +195,9 @@
               (string-append
                "comes with USB A to B cable.  unit cost goes down for"
                " large orders, see page for specifics."))
-   (make-item "motor" 2 6 7 "https://solarbotics.com/product/gm3/")
+   (make-item "gm3 motor 224:1 90 degree shaft"
+              2 6 7
+               "https://solarbotics.com/product/gm3/")
    (make-item "transparent 400 point (half) BreadBoard"
               1 5.95 1
               (string-append