Assemble (and verify) Shiva 1.0

[David-Estevez]

• Assemble
• Verify
• Document errors (if present)

[David-Estevez]

The PCBs and components arrived and I assembled most of a single prototype:

• All components except for one op-amp chip and 6 jacks were assembled.
• That means we can have up to 4 channels active, from which 2 have a jack to connect the sensor.

Most of the functionality was tested, finding that due to the internal resistance of the zener diodes, the input of the op-amp has an offset of VCC/2. This issue will be tracked in the following issue: #16

Apart from that, the only remaining thing it to develop the firmware functionality, more precisely:

• Detect hits: Hit detection #17
• Detect when a sensor is used using digital inputs: Sensor detection #18
• Use the in-board joystick to select a channel and modify its sound without a PC: Channel properties selection without external PC #19
• Send MIDI notes out of the MIDI OUT connector: Send MIDI notes out of the MIDI OUT connector #20

With all the found issues / new features already tracked by other issues, this one can be closed.