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Schematic

Layout

3D View

Schematic of AvocAudio: A tinyML community board v1

C12

Capacitance

100nF

C13

Capacitance

27pF

EXTERNAL FLASH CIRCUIT

User LED for blinking and testing the board

R19

Resistance

1k5 Ω

R9

Resistance

10kΩ

LoRa MODULE

R4

Resistance

1kΩ

R2

Resistance

27.4 Ω

Pull up resistors

Line 1

R6 and r9 are are pull ups for the SD Card line

Line 2

Termination resistors

R18

Resistance

1kΩ

R16

Resistance

50 Ω

R17

Resistance

50 Ω

R1

Resistance

27.4 Ω

C22

Capacitance

4u7 F

R3

Resistance

10kΩ

R6

Resistance

10kΩ

D2

Color

Green

U2

Not Recommended for New Designs

U1

SW1

AvocAudio: A tinyML community board v1