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The Bleep Base header and schematic

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John-Michael Reed edited this page Mar 25, 2021 · 2 revisions

Here's an explanation of all the header i/o on the right of the Bleep Base.

These should not be connected to any of the Teensy pins as it will damage them. They are just to for power out.
+9V - Power straight from the battery if one is attached.
+5V - Power from either the battery or USB. Can be used as a 5V power input for powering from another Teensy for example.

3V3 - 3.3V from the Teensy
GND - Ground connections

D9, A13, A8 - Pins from the Teensy that can be used for anything. D9 is digital read and write and analogWrite aka PWM. A13 is a misprint and means A3! It and A8 can do analog reading, digital read and write. A8 can do PWM.

D2, D3, D4 mux. - These pins control the multiplexers on the board that read the pots and buttons. They can be used along with one of the pins above to add more muxes.

SDA, SCL - I2C pins for connecting peripherals like accelerometers.

LED - WS2812 LED output. Info here.

Schematic and PCB as a DIP trace files.
Schematic image

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