GGHC Schematics

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