update attach caster to deck checklist

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

diff --git a/bill-of-materials.rkt b/bill-of-materials.rkt
index 9252954a436f7b5163c56436d28563bc7032d9d8..cb1f2432936d64b0b77a074f0505182cc937b207 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)
@@ -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
@@ -217,9 +222,10 @@
                "http://www.officedepot.com/a/products/495242/"
                "Scotch-Permanent-Double-Sided-Foam-Tape/"))
    ;; TODO: get actual cost of #4-40 phillips 1&1/4" screws
-   (make-item "#4-40 Phillips 1 1/4 inch screws"
+   (make-item "#4-40 Phillips 1 pan stl zn cr3, magnetic"
               4 0.1 1
-              "olander" "price is an estimate. can pick up in person")
+              "olander PN:4C100PPMZR"
+              "price is an estimate. can pick up in person")
    ;; TODO: get actual cost of #4-40 hex lock nuts
    (make-item "#4-40 hex lock nuts"
               6 0.1 1