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PaperBack Display

dqydj·PaperBack_EPaper_Display·hardware/PaperBack_Display/PaperBack_Display.kicad_pcb

PaperBack Display PCB layout, top view — open source ESP32 board by dqydj
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About the PaperBack Display PCB

PaperBack Display is an open source ESP32 PCB design by dqydj, published on GitHub under the MIT license. It is a 2-layer board measuring 59.1 × 76.2 mm, with 57 components from 41 distinct parts.

Its main chip is the ESP32_CORE_BOARD_V2, from the ESP32 family. Other key parts include the LT1945, MAX1555, LM358, PAM3110BLA330RDICT and LM7915CT. By type, the board carries 15 resistors, 13 capacitors, 7 ICs, 6 connectors, 6 diodes and 2 transistors.

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

From the project

Internet Connected or Standard Input EPaper Display

Here you'll find the files you will need to reproduce Paperback. There are two boards:

PaperBackDisplay The Display breakout board. Can take an ESP32 Development Kit and run the display without the Video converter board. PaperBackConverter The VGA conversion board. Takes VGA, captures a frame, puts it in memory, then outputs to the ePaper screen. You can't run the ESP32 if you choose to dock board 2! Do not insert it!.

Main components on the PaperBack Display

LT1945MAX1555LM358PAM3110BLA330RDICTLM7915CTLM7815CTESP32_CORE_BOARD_V2

PaperBack Display bill of materials (BOM)

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

QtyPartRefs
1
LT1945
U1
1
MAX1555
U2
1
LM358
U3
1
PAM3110BLA330RDICT
U4
1
LM7915CT
U5
1
LM7815CT
U6
1
ESP32_CORE_BOARD_V2
ESP32_Core_Board_V2
U7
2
IRLML6402
Q1, Q2
1
BARREL_JACK
J1
1
CONN_01X02
J2
2
CONN_01X03
J3, J4
1
CONN_02X12
J5
1
ED060SC4
J6
1
.75A
F1
2
Jumper
JP1, JP2
1
100K
100k
RV1
1
Battery_Cell
SINGLE_CELL_LITHIUM1
1
SW_DPDT_X2
SW_DPDT_x2
SW1
4
D_Schottky
D1, D2, D4, D5
2
LED
D3, D6
Show 21 more
QtyPartRefs
2
22UH
22uH
L1, L2
1
.1uF
C1
1
100PF
100pF
C2
1
4.7pF >22V
C3
1
1uF >22V
C4
1
1uF >20V
C5
3
4.7UF
4.7uF
C6, C7, C13
1
.33uF > 20V
C8
1
.33uF > 22V
C9
2
1uF > 15V
C10, C11
1
1UF
1uF
C12
4
10K
10k
R1, R2, R3, R12
2
39K
39k
R4, R10
1
560k > 20V
R5
1
39k > 20V
R6
1
2M >22V
R7
1
120k >22V
R8
1
200K
R9
2
1K
R11, R13
1
180K
180k
R14
1
560K
560k
R15

PaperBack Display design files

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

PaperBack Display: common questions

What microcontroller does the PaperBack Display use?

The PaperBack Display is built around the ESP32_CORE_BOARD_V2, from the ESP32 family.

How big is the PaperBack Display PCB?

The PaperBack Display measures 59.1 × 76.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PaperBack Display?

57 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 PaperBack Display design files?

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

Can I use the PaperBack Display design in my own project?

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

Can I test firmware for the PaperBack Display 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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