The scoreboard system consists of several main components. First the main power supply will be an off the shelf, 12v supply of sufficient current to drive the LED display. The second stage will be the logic power supply, that will create the voltages required by the digital components of the display. Third, the main controller and WiFi module, specifically the Bluegiga WF121, which serves as a stand alone WiFi module with integrated network stack, as well as providing an onboard PIC32 processor that can be programmed. Fourth, a matrix display driver implemented in an FPGA (a Lattice ICE40) will provide a means for controlling the display, and last, a array of MosFETs will be used to switch the LED matrix drive lines.
The scoreboard itself will consist of a time display (4 digits), a match score (4 digits) a team score (4 digits), and a period (1 digit). The digits will consist of 12V LED strips, cut into 10 cm segments, giving a 10cm x 20cm ish 7 segment digit.
An additional openness goal of this project is that it the main components will be reuseable and extendable to any LED display.
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