gtr

augmented guitar with esp32 and mpu6050

deps

last working version of esp32 arduino with current hardware is :

• https://github.com/espressif/arduino-esp32/releases/tag/2.0.0

branch of wavey wind

the nodejs glue

• https://git.kompot.si/g1smo/wavey-wind/src/branch/rob

the esp32 firmware

• https://git.kompot.si/g1smo/pifcamp-2021/src/branch/master/osc32final

GPIO / PINS

LEDS

32 (ADC1_4 / TOUCH9)

GND

// OR 33

ACCELEROMETER/GYRO

MPU6050

GPIO:

21 - SDA

22 - SCL

GND - GND

VCC - 3.3V

CAPACATIVE TOUCH

GPIO:

momentary switchs

on diagram (0,1,2,3)

4 TOUCH0 - SHIFT KEY

0 TOUCH1 - record to buffer 0

2 TOUCH2

15 TOUCH3

on diagram (4,5,6,7)

13 TOUCH4

14 TOUCH5

12 TOUCH6

27 TOUCH7

TOUCH0 + TOUCH3 = EULER ROTATION RESET

array of 16 values -

8 x data inputs +

8 x 0/1 values - first 4 momentary second 4 toggle

args: [ 35, 56, 53, 47, 99, 106, 99, 48, 0, 0, 0, 0, 0, 0, 0, 0 ]

BUTTON MAPPING

BUTTON 0 ----- SHIFT BUTTON 1 ----- TRIGGER ONESHOT BUFFER RECORD

BUTTON X ----- GRANULAR POSITION MODE BUTTON X ----- GRANULAR PITCH MODE BUTTON X ----- GRANULAR IMPULSE MODE

BUTTON X ----> LOOP RECORDING MODE ON/OFF BUTTON X ----> OVERDUB RECORDING MODE ON/OFF

BUTTON X ----- LIVE SIGNAL / PROCESSED / MIX

BUTTON 0 && X RESET/ZERO SENSORS [in firmware]