Net Color Scheme Assignment

flux

0:04

Work done
  • Reviewed the AvocAudio layout net structure and identified the named critical nets, including GND, +3V3, +1V1, SD_CLK, QSPI_SCLK, QSPI_SD0..3, and QSPI_SS
  • Ran layout annotation to classify the current nets into ground, power, high-speed, and low-speed groups
  • Defined a concrete visual hierarchy and documented it in /collinsemasi/avocaudio-a-tinyml-community-board-v1/design-notes
  • Validated the current layout state and found active airwires, floating copper, and missing power-drive issues on U3 and U5
Success criteria review
  • ❌ All critical nets are clearly indicated with high-contrast colors
  • ❌ Buses and control signals show moderate emphasis with distinct colors
  • ❌ All other nets display a neutral, muted color ensuring layout readability
  • ❌ The project’s net color settings are consistently applied and validated on the PCB layout
Next steps I was able to classify the nets and define the full color scheme, but I could not apply it because the available layout rule interface does not expose a working per-net color write path in this project. A dry run showed that Layout Color targets the board appearance instead of individual nets, and net-selector rule probes did not match writable net nodes. If this capability becomes available, I can apply the documented palette directly and re-validate it.
Set the net colors
Use dark theme colors
Prioritize audio clocks
Mute default nets
13 days

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C2
Capacitance
100nF
C17
Capacitance
10uF
C14
Capacitance
27pF
C24
Capacitance
10uF
C13
Capacitance
27pF
C1
Capacitance
100nF
C10
Capacitance
100nF
C26
Capacitance
100nF
C19
Capacitance
68pF
C9
Capacitance
100nF
C25
Capacitance
100nF
C11
Capacitance
1uF
C23
Capacitance
100nF
MIC_SCL
LORA_NRST
Cl = 2(Ccap_load - Cstray)
SOLAR POWER INTERFACE
VBAT
XOUT
LORA_RX
XIN
MIC_SDA
MICROCONTROLLER
LORA_TX
D4
Color
Red
+3V3
I_ch = (Vset / Rset) * 900 = 900mA
XOUT
+1V1
XIN
MIC_WS
D5
Color
Green
R14
Resistance
6k8 Ω
R8
Resistance
15kΩ
R13
Resistance
68kΩ
U3
R18
Resistance
1kΩ
R16
Resistance
50 Ω
U5
L2
Inductance
2u2 H
R17
Resistance
50 Ω
U1
R7
Resistance
2kΩ
Y1
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AvocAudio: A tinyML community board v1

AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #audioDevices #raspberryPi #rp2040 #lorawan #iot #solar

Properties

creativecommons.org/licenses/by/4.0/

true

Scientific

RoHS

3.3

LoRaWAN

Buttons

Microphone, Temperature sensor, Humidity sensor

SD Card

Audio

Pricing & Availability

Distributor

Qty 1

Arrow

$12.41–$13.63

Digi-Key

$13.66–$17.50

LCSC

$35.46–$36.70

Mouser

$18.34–$18.55

Verical

$2.84–$3.93

Assets

oshw-logo.svg

oshw-logo.svg

oshw-logo
microphone.svg

microphone.svg

microphone
flux logo.svg

flux logo.svg

flux logo
Test Asset v4.svg

Test Asset v4.svg

Test Asset v4
ESD_(Susceptible).svg

ESD_(Susceptible).svg

ESD_(Susceptible)
microphone v2.svg

microphone v2.svg

microphone v2
ESD_(Susceptible) v2.svg

ESD_(Susceptible) v2.svg

ESD_(Susceptible) v2
AvocAudio v1.svg

AvocAudio v1.svg

AvocAudio v1Default
AvocAudio 24 V1.svg

AvocAudio 24 V1.svg

AvocAudio 24 V1

Controls