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ScholDigi

Sheep26·ScholDigi·pcb/ScholDigi.kicad_pcb

ScholDigi PCB layout, top view — open source ESP32 board by Sheep26
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About the ScholDigi PCB

ScholDigi is an open source ESP32 PCB design by Sheep26, published on GitHub. It is a 2-layer board measuring 66 × 49 mm, with 65 components from 39 distinct parts.

Its main chip is the ESP32-C6-MINI-1, from the ESP32 family. Other key parts include the MAX-M10S, TP4056-42-ESOP8, DW01A, TPS63060 and CP2102. By type, the board carries 25 resistors, 16 capacitors, 7 diodes, 6 ICs, 6 connectors and 2 switches.

It belongs with the wearables and power & battery designs in this gallery.

From the project

ScholDigi

This project took inspration from apps such as Strava, however it aims to tackle one of the main issues with Strava which is the fact that it uses your phone. Strava is known to drain phone batteries and on many phones just not work well, this project aims to replace it with a dedicated device with a high accuracy GPS and long battery life allowing it to combat the various issues with fitness apps such as Strava.

ScholDigi, from the project README
From the project README

Main components on the ScholDigi

ESP32-C6-MINI-1MAX-M10STP4056-42-ESOP8DW01ATPS63060CP2102

ScholDigi bill of materials (BOM)

65 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-C6-MINI-1
U1
1
MAX-M10S
U2
1
TP4056-42-ESOP8
U3
1
DW01A
U4
1
TPS63060
U5
1
CP2102
U6
1
FS8205A
Q1
1
CONN_01X04
Conn_01x04
J1
1
CONN_01X02
Conn_01x02
J2
1
Battery JST
J3
1
GPS Antenna coaxial
J4
2
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J6, J7
1
Boot Button
SW1
1
Reset Button
SW2
2
LED
D1, D2
4
SS14
D3, D5, D6, D7
1
PESD0402-140
D4
1
2.66Ω
L1
1
1UH
1uH
L2
4
10UF
10uF
C1, C2, C9, C12
Show 19 more
QtyPartRefs
7
0.1UF
0.1uF
C3, C5, C6, C8, C10, C14, C15
1
10NF
10nF
C4
1
22UF
22uF
C7
1
10PF
10pF
C11
1
1.0UF
1.0uF
C13
1
100NF
100nF
C16
3
1K
R1, R2, R5
1
3K
R3
1
100
R4
1
10
R6
2
33
R7, R8
6
10K
R9, R10, R19, R20, R22, R25
1
0
R11
4
5.1K
R12, R13, R17, R18
1
1.13M
R14
1
200K
R15
1
1M
R16
1
91K
R21
2
4.7K
R23, R24

ScholDigi design files

The KiCad project lives in the Sheep26/ScholDigi repository on GitHub; these links point at the commit this page was built from.

ScholDigi: common questions

What microcontroller does the ScholDigi use?

The ScholDigi is built around the ESP32-C6-MINI-1, from the ESP32 family.

How big is the ScholDigi PCB?

The ScholDigi measures 66 × 49 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ScholDigi?

65 components, from 39 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 ScholDigi design files?

From the Sheep26/ScholDigi repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the ScholDigi design in my own project?

The repository has no license, so all rights stay with Sheep26. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ScholDigi 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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