"male-female jump wires, 2 groups of 4 different colors" 8
"connect sonar sensor to power and arduino. black yellow blue red.")
(part "7781754a-b2fe-47dc-b711-2f3f2e95f5e3"
- "green solid core wire 175 mm, stripped" 2
- "connect motor controller and motor")
+ "green solid core wire 200 mm, stripped" 2
+ "transmit power between motor controller and motor")
(part "031d2167-d548-4e9a-a00b-5cdf902e3e84"
- "yellow solid core wire 175 mm, not stripped" 2
+ "yellow solid core wire 200 mm, not stripped" 2
"transmit power between motor controller and motor")
(part "5390e8cc-1310-4fb3-bd07-8c9b295c592f"
- "blue solid core wire 90 mm" 1
+ "blue solid core wire 120 mm" 1
"hook arduino pin 4 to motor controller pin \"3A\"")
(part "0b5d5d22-ce59-4741-94aa-25f9ba2bfd1c"
"blue solid core wire 120 mm" 1
"hook arduino pin 9 to motor controller pin \"2A\"")
(part "434234e1-b6d7-43c3-a871-938fcc895c04"
- "orange solid core wire 90 mm" 1
+ "orange solid core wire 120 mm" 1
"hook arduino pin 5 to motor controller pin \"4A\"")
(part "dffc57be-ff0a-43c4-8854-c3ba77cefc21"
"orange solid core wire 120 mm" 1
"hook arduino pin 10 to motor controller pin \"1A\"")
(part "f1e4e95f-d069-4b83-b6c4-79dfd122219a"
- "white solid core wire 90 mm" 1
+ "white solid core wire 120 mm" 1
"hook arduino pin 3 to motor controller pin \"3,4EN\"")
(part "d084d477-3273-4444-b61d-ad24766a1751"
"white solid core wire 120 mm" 1
"hook arduino pin 8 to motor controller pin \"1,2EN\"")
(part "d5eeffc3-debc-445d-a1ea-cb066abf4236"
- "red solid core wire 30 mm" 2
+ "red solid core wire 35 mm" 2
"make positive lead of battery packs easier to connect to breadboard")
(part "94f9da12-545b-4962-af43-d9701c1e5499"
- "black solid core wire 30 mm" 2
+ "black solid core wire 35 mm" 2
"make ground lead of battery packs easier to connect to breadboard")
(part "890e70d8-176f-421e-865c-e55e29256fb8"
"black solid core wire 55 mm" 1
"hook ground rails on breadboard together")
(part "182e19ba-383c-40a7-9339-39804d4fca5b"
- "black solid core wire 25 mm" 4
+ "black solid core wire 35 mm" 4
"hook motor controller ground pins to breadboard ground rails")
(part "c2df71b6-aee9-45fa-b4a1-8464802302a9"
- "black solid core wire 25 mm" 1
+ "black solid core wire 35 mm" 1
"hook arduino ground pin to breadboard ground rail")
(part "de7a2ede-1159-4a4e-8c9e-6bb27fbae55d"
- "red solid core wire 25 mm" 1
+ "red solid core wire 35 mm" 1
"hook motor controller 5v pin to breadboard positive rail")
(part "66a049b6-6652-4a71-85a3-d5fd72a51fc5"
- "red solid core wire 25 mm" 1
+ "red solid core wire 35 mm" 1
"hook arduino 5v pin to breadboard positive rail")))
(define main-bag
"usb a-to-b cable" 1 "program the arduino from computer")
(part "d35e803e-860c-449d-9774-78295e501276"
"breadboard" 1 "hold motor controller and connect wires")
+ (part "2586c57d-11ed-40d0-961c-eb9c85611608"
+ "dual-half h bridge sn754410ne, aka motor controller"
+ 1 "direct power to motors")
(part "5ceac789-d68a-4078-a129-d721a99a8d6d"
"9v battery" 1 "power for motors")
(part "41aec402-c435-4fc3-a0e1-d8418d91c51e"
(part "ed17b7e2-554f-41d4-b43c-cf99bfdf7ce6"
"motor" 2 "drive wheel to propel bot")
(part "be525dfe-c58e-44ce-98b7-90084c17c9b8"
- "alan wrench" 1 "tighten #6-32 screws")
+ "5/64\" alan wrench" 1 "tighten #6-32 screws")
printed-parts-bag
wires-bag
metal-parts-bag))
"usb a-to-b cable" 1 "program the arduino from computer")
(part "2586c57d-11ed-40d0-961c-eb9c85611608"
- "dual-half h bridge sn754410ne" 1 "direct power to motors")
+ "dual-half h bridge sn754410ne, aka motor controller"
+ 1 "direct power to motors")
;; wires
(part "21239945-0cd0-45b5-872c-1448c7007ca7"