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2 layers50 × 35 mmEpaper, the printed circuit board in 3D

e-Paper I2Cモジュールは[WAVESHARE製200x200, 1.54inch E-Inkディスプレイ][0]を搭載したモジュールです。 [WAVESHARE製200x200, 1.54inch E-Inkディスプレイ][0]はSPI接続ですが、 配線の容易性を実現するために[SPI I2CプロトコルブリッジIC SC18IS602B][1]を搭載してI2C化しています。…

Size
50 × 35 mm
Copper layers
2
Thickness
1.6 mm
Parts
38
Nets
28
Pads
113
Tracks, vias
357, 22
Pours
2
Routed
Yes
KiCad
KiCad 4
Created
19 May 2018
Updated
19 Nov 2023

Overview

Epaper is an open-source printed circuit board by meerstern, from the meerstern/e-Paper_I2C_Module repository on GitHub. It is a 2-layer board of 50 × 35 mm with 38 parts on 28 nets, routed with 357 tracks and 22 vias.

It is built around the SC18IS602B. Its parts include 13 capacitors, 13 resistors, 3 diodes, 2 ICs and 1 transistor. It belongs with the lEDs and displays boards of this library.

Main components

1

README

README.md

e-Paper I2C モジュール

The e-Paper I2C Module of Kicad Files for 1.54inch E-Ink raw display panel.

e-Paper I2CモジュールはWAVESHARE製200x200, 1.54inch E-Inkディスプレイを搭載したモジュールです。
WAVESHARE製200x200, 1.54inch E-InkディスプレイはSPI接続ですが、 配線の容易性を実現するためにSPI I2CプロトコルブリッジIC SC18IS602Bを搭載してI2C化しています。
I2C接続のため、SPI接続に比べて描画速度が遅くなりますが、I2C接続で電源線と信号線2本で簡単に接続が可能です。
また、I2CはGroveコネクタを搭載することでラピッドプロトタイピングに対応しています。

サンプルプログラムはArduinoとSTM32(SW4STM32)のコードがあります。
メーカ提供のデモプログラムをSPI I2CプロトコルブリッジICを介して動作するように書き換えています。

※注意※
基板裏面に[V2]マークがある場合はV2版1.54inch E-Inkディスプレイのため、V2が付いたサンプルプログラムを使用してください。 V1とV2はハードウェア上の互換性がありますが、プログラム/ファームウェアの互換性はありません。2020年4月以降はV2版が出荷されます。

e-Paper I2Cモジュール仕様

  • WAVESHARE製200x200, 1.54inch E-Inkディスプレイ搭載
  • 電源3.3V、I2C接続(Groveコネクタ)
  • E-Inkディスプレイの制御ピンはSPI I2CプロトコルブリッジICのGPIOピンに接続されています
     GPIO0:CS、GPIO1:Busy、GPIO2:DC、GPIO3:Reset
  • 取付穴M3、穴ピッチ44mm x29mm

販売サイト

告知

  • SC18IS602の後継ICのSC18IS606PWJはGPIOピンが3つに減ったため、本モジュールの代替ICとして使用できないことが分かりました
  • よって、SC18IS602の生産完了に伴い、本モジュールについてもIC在庫がなくなり次第、販売を終了する予定です

Parts

38
QtyValueFootprintReferences
13Csmt:C-0603C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13
13Rsmt:R-0603R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, RX1
4MountingHole_3mmMounting_Holes:MountingHole_3mmREF1, REF2, REF3, REF4
3Dsmd-semi:SOD-123D1, D2, D3
1GROVEGroveCon:GROVEJP1
1L_Smallrcl:rcl-L3230ML1
1Q_NMOS_GSDsmt-sot:SOT23Q1
1SC18IS602Bsmt-sop:TSSOP-16_4.4x5mm_Pitch0.65mm_without_padU1
1e-paper24pin0.5mm:24pin0.5mmU2

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Questions

How big is the Epaper PCB?

It measures 50 × 35 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Epaper use?

38 parts, built around the SC18IS602B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Epaper KiCad files?

From the meerstern/e-Paper_I2C_Module repository on GitHub, at the commit this page was made from: the board is epaper.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Epaper design in my own project?

Its repository states no licence, so its author keeps all rights: ask meerstern before reusing the design.