HardLabs

Wifistepper

goodrobotics·wifistepper·hardware/wsx100/wifistepper.kicad_pcb

Wifistepper PCB layout, top view — open source ESP32 board by goodrobotics

About the Wifistepper PCB

Wifistepper is an open source ESP32 PCB design by goodrobotics, published on GitHub. It is a 4-layer board measuring 77.6 × 57.3 mm, with 85 components from 43 distinct parts.

Its main chip is the ESP-WROOM-02, from the ESP32 family. Other key parts include the POWERSTEP01, MAX15062A and ATECC508A. By type, the board carries 32 resistors, 24 capacitors, 8 diodes, 5 connectors, 4 ICs and 2 jumpers.

It belongs with the robotics & motion and iot & wireless designs in this gallery.

From the project

Wi-Fi Stepper project repo

Main components on the Wifistepper

ESP-WROOM-02POWERSTEP01MAX15062AATECC508A

Wifistepper bill of materials (BOM)

85 components, 43 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP-WROOM-02
U1
1
POWERSTEP01
powerSTEP01
U2
1
MAX15062A
U3
1
ATECC508A
U4
1
Barrel_Jack_Switch
J1
1
Screw_Terminal
J2
1
CONN_01X09
Conn_01x10
J3
1
CONN_01X10
Conn_01x10
J4
1
CONN_01X02
Conn_01x02
J5
2
JUMPER_2_OPEN
Jumper_2_Open
JP1, JP2
8
0.27
RS1, RS2, RS3, RS4, RS5, RS6, RS7, RS8
1
SW_SPST
SW1
1
80V (Back EMF Clamp)
D0
1
D_SCHOTTKY_X2_SERIAL_AKC
D_Schottky_x2_Serial_AKC
D1
1
D_Schottky
D2
1
LED GRN
D3
1
LED YEL
D4
1
LED RED
D5
1
3.9V
D6
1
50V Clamp
D7
Show 23 more
QtyPartRefs
1
33UH
33uH
L1
1
22UF
22uF
C1
2
470nF 100V
C2, C3
1
220NF
220nF
C4
9
0.1UF
0.1uF
C5, C12, C14, C16, C17, C21, C22, C23 +1
4
220nF 100V
C6, C7, C8, C9
2
100uF 100V (Low ESR)
C10, C11
1
47nF 100V
C13
2
10UF
10uF
C15, C20
1
1uF 100V
C18
1
1UF
1uF
C19
1
-
R1
14
22
R2, R16, R17, R18, R19, R20, R21, R23 +6
1
47K
R3
1
1.8K
R4
3
2.2K
R5, R14, R15
2
1K
R6, R22
2
39K
R7, R8
3
330
R9, R10, R11
2
10K
R12, R13
1
10
R30
1
47K
R31
1
000
R32

Wifistepper design files

The KiCad project lives in the goodrobotics/wifistepper repository on GitHub; these links point at the commit this page was built from.

Wifistepper: common questions

What microcontroller does the Wifistepper use?

The Wifistepper is built around the ESP-WROOM-02, from the ESP32 family.

How big is the Wifistepper PCB?

The Wifistepper measures 77.6 × 57.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Wifistepper?

85 components, from 43 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 Wifistepper design files?

From the goodrobotics/wifistepper repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Wifistepper design in my own project?

The repository has no license, so all rights stay with goodrobotics. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Wifistepper 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.

More boards in wifistepper

Similar boards