Cornell University EE 476 Final Project
Fertilizer Feed Rate Controller
Almost all parts (with the exception of the Atmel microcontroller and Dickey-john radar unit) can be purchased from any standard electronics vendor, such as Jameco (when their website is not down) or Digi-key.
(1) Atmel 90S8515 Microcontroller + 40 pin IC socket
(1) 4.000 MHz TTL Oscillator + 14 pin IC socket
(1) 16 Button matrix-style keypad
(1) 4x20 Parallel LCD
(1) Proximity sensor
(1) Radar speed sensor (Dickey-John)
(5) 2.5x4" Prototype boards
(6) 10 pin double row male headers
(5) 3 Connection terminal blocks
(5) 2 Connection terminal blocks
(10) 2N2222 NPN transistors
(2) NPN TIP31 transistors
(2) PNP TIP32 transistors
(3) Fuse holders, with fuses
(1) 5V, 1A Voltage regulator
(1) 12V, 1A Voltage regulator
(2) 30uF capacitors
(1) Toggle switch
(8) 1k Resistors
(5) 10k Resistors
(8) 2.2k Resistors
(10) Diodes
Assorted wire, solder and patience
Assorted standoffs and mounting hardware