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Cinread-IT8951 S3 HAT

martinberlin·H-cinread-it8951

Cinread-IT8951 S3 HAT layout, top view — open source ESP32 board by martinberlin
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About the Cinread-IT8951 S3 HAT

Cinread-IT8951 S3 HAT is an open source ESP32 PCB design by martinberlin, published on GitHub under the CERN-OHL-W-2.0 license. It is a 2-layer board measuring 83.2 × 42.1 mm, with 54 components from 41 distinct parts.

Its main chip is the ESP32-S3-WROOM-1-N8, from the ESP32 family. Other key parts include the TPS2113APWR, C16581, C39051, C969151 and C2932326. By type, the board carries 18 resistors, 9 capacitors, 8 ICs, 8 connectors, 4 diodes and 2 transistors.

It belongs with the iot & wireless, power & battery and displays & leds designs in this gallery.

From the project

CINWRITE pcb is the Hardware repository for the HAT that provides GoodDisplay DEXA-C097 controller a fast way to talk SPI and 5V boost converter. The goal of this HAT is to provide WiFi, Bluetooth, RTC and extra I2C connector for sensors

Hardware repository for Cinwrite PCB, a HAT for 9.7 inch parallel epaper display controller DEXA-C097 sold by Good display which uses IT8951 as epaper timings controller and display engine.

This hardware is open source and you can use it commercially or modify it for your own purpouses according to the terms specified in the License. The only restriction is that it should be not mass produced and not sold without the permission of the Licensor.

Cinread-IT8951 S3 HAT, from the project README
From the project README

Main components on the Cinread-IT8951 S3 HAT

ESP32-S3-WROOM-1-N8TPS2113APWRC16581C39051C969151C2932326C107410C211404

Cinread-IT8951 S3 HAT bill of materials (BOM)

54 components, 41 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3-WROOM-1-N8
U1
1
TPS2113APWR
U2
1
C16581
TP4056
U3
1
C39051
MCP1700-3302E_SOT23
U4
1
C969151
CP2102N-Axx-xQFN24
U5
1
C2932326
MT3608
U6
1
C107410
DS3231MZ
U7
1
C211404
AP22802AW5-7
U8
2
C146798
BC817
Q1, Q2
1
Jack-DC
J1
1
Conn_01x04_Male POWER
J2
1
Conn_01x06_Female
J3
1
C165948
USB_C_Programming
J4
1
Conn_01x07_Female
J6
1
Conn_01x03_Female
J7
1
C165948
USB_C_JTAG
J8
1
Conn_01x05_Female
J9
1
CR1220
BT1
1
Jumper_2_Bridged
JP1
1
Jumper_2_Open
JP2
Show 21 more
QtyPartRefs
1
C202388
RESET
SW1
2
C8598
1N5817
D1, D4
1
C2297
GRE
D2
1
C84256
RED
D3
1
C68434
22 uH
L1
3
C49678
100nF
C1, C2, C4
1
C129289
C_Polarized 100uF
C3
2
C15850
10uF
C5, C6
2
C602037
22uF
C7, C8
1
C28233
100 nF
C9
5
C25804
10 K
R1, R3, R7, R8, R18
2
C23046
5K
R2, R4
1
C23151
400
R5
1
C23228
680Ω
R6
2
C23162
4.7K
R9, R10
1
C25805
110K
R11
1
C22809
15K
R12
1
C23175
442K
R13
1
C22813
160K
R14
2
C23186
5.1K
R15, R16
1
C23204
560Ω
R19

Cinread-IT8951 S3 HAT design files

The KiCad project lives in the martinberlin/H-cinread-it8951 repository on GitHub; these links point at the commit this page was built from.

Cinread-IT8951 S3 HAT: common questions

What microcontroller does the Cinread-IT8951 S3 HAT use?

The Cinread-IT8951 S3 HAT is built around the ESP32-S3-WROOM-1-N8, from the ESP32 family.

How big is the Cinread-IT8951 S3 HAT?

The Cinread-IT8951 S3 HAT measures 83.2 × 42.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cinread-IT8951 S3 HAT?

54 components, from 41 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 Cinread-IT8951 S3 HAT design files?

From the martinberlin/H-cinread-it8951 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 Cinread-IT8951 S3 HAT design in my own project?

Yes, under the terms of its CERN-OHL-W-2.0 license, which martinberlin chose for the repository.

Can I test firmware for the Cinread-IT8951 S3 HAT 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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