HardLabs

Led controller wrover32

aaronw2·led-controller-wrover32·led-controller-wrover32/led-controller-wrover32.kicad_pcb

Led controller wrover32 PCB layout, top view — open source ESP32 board by aaronw2

About the Led controller wrover32 PCB

Led controller wrover32 is an open source ESP32 PCB design by aaronw2, published on GitHub under the MIT license. It is a 4-layer board measuring 36 × 43 mm, with 76 components from 46 distinct parts.

Its main chip is the ESP32-WROVER, from the ESP32 family. Other key parts include the XCL220, CP2104, MAX3379EETD, MAX98357A and TPS55340-Q1. By type, the board carries 32 capacitors, 15 resistors, 12 connectors, 6 ICs, 4 transistors and 3 diodes.

It belongs with the displays & leds designs in this gallery.

From the project

Wrover32 based LED controller for NeoPixels and DotStars w/5v signalling & micro SD

IO0: (reset/program), J4-8, MIC-BCLK IO2: (reset/program), SD DAT0 IO4: SD DAT1 IO5: +5V I/O, FAN PWM IO12: SD DAT2 IO13: SD DAT3/CD IO14: SD CLK IO15: SD CMD IO16: DNC IO17: DNC IO18: +5V I/O IO19: J4-4, MIC WS IO21: I2C/INT, J4-3 IO22: I2C/INT, J4-2 IO23: I2C/INT, J4-1 IO25: J4-6, SPKR-DIN IO26: J4-5, SPKR-BCLK IO27: NeoPixel IO32: +5V IO33: +5V, SPKR-LRCLK IO34: (input only) J2-5 IO35: (input only) J4-7, MIC-OUT SENSORVP: J2-11 SENSORVN: J2-10 RXD0: TXD0: EN:

Main components on the Led controller wrover32

XCL220ESP32-WROVERCP2104MAX3379EETDMAX98357ATPS55340-Q1

Led controller wrover32 bill of materials (BOM)

76 components, 46 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XCL220
U1
1
ESP32-WROVER
U2
1
CP2104
U3
1
MAX3379EETD
U4
1
MAX98357A
U5
1
TPS55340-Q1
U101
1
MMSS8050-H-TP
Q1
1
FMB2222A
Q2
1
BSS138
Q3
1
BSS138DW-7-F
Q5
1
Micro_SD_Card
J1
2
BM12B-SRSS-TBT(LF)(SN)
J2, J4
1
USB_B_Micro
J3
1
Conn_01x04
J5
2
Conn_01x02 DNF
J6, J7
1
Conn_01x05 DNF
J8
1
Conn_01x02 DNF
J9
1
Conn_01x02 DNF
J10
1
Conn_01x02
J11
1
Conn_01x02
J101
Show 26 more
QtyPartRefs
1
SPH0645LM4H-B
MIC1
2
SW_SPST_KMR2
SW1, SW2
1
WS2813-MINI
D1
1
USBLC6-2P6
D2
1
D_Schottky
D101
1
3.3uH
L101
12
10uF
C1, C2, C4, C6, C7, C9, C10, C13 +4
4
1uF
C3, C11, C15, C104
9
0.1uF
C5, C8, C16, C17, C21, C22, C24, C102 +1
1
22uF
C12
2
22nF
C23, C105
1
22uF
C101
1
47uF
C103
1
820pF
C106
1
47nF
C107
3
10K
R1, R3, R104
1
470
R2
2
4.7K
R5, R6
1
100K
R10
1
86.6K
R101
1
18.7K
R102
1
1.62K
R103
1
10K
RN1
1
10K
RN2
1
4.7K
RN3
2
100K
RN4, RN6

Led controller wrover32 design files

The KiCad project lives in the aaronw2/led-controller-wrover32 repository on GitHub; these links point at the commit this page was built from.

Led controller wrover32: common questions

What microcontroller does the Led controller wrover32 use?

The Led controller wrover32 is built around the ESP32-WROVER, from the ESP32 family.

How big is the Led controller wrover32 PCB?

The Led controller wrover32 measures 36 × 43 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Led controller wrover32?

76 components, from 46 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Led controller wrover32 design files?

From the aaronw2/led-controller-wrover32 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Led controller wrover32 design in my own project?

Yes, under the terms of its MIT license, which aaronw2 chose for the repository.

Can I test firmware for the Led controller wrover32 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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