GGHC Schematics

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Here are the latest versions of the schematics for the devices we plan to make as part of the GGHC:

Student Schematic

The student unit:

Some key features of the schematic:

  • LEDs for answers are optional: the switches can be used alone as inputs
  • 7-segment display driven by shift register
  • Connections to radio module are indicated by RPx pads (due to lack of correct Eagle library for MRF24J40MA)













Teacher Schematic

The teacher's unit:

Some key features of the schematic:

  • 7-segment displays are driven by shift registers