2 layers43.9 × 27.7 mm
2 layers35.6 × 22 mm
Sharp memory display
karnadii/sharp_memory_display_breakout170Sharp memory display breakout for LS011B7DH03
- Size
- 35.6 × 22 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 10
- Pads
- 56
- Tracks, vias
- 82, 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 11 Sep 2021
- Updated
- 19 Sep 2025
Overview
Sharp memory display is an open-source printed circuit board by karnadii, from the karnadii/sharp_memory_display_breakout repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 35.6 × 22 mm with 19 parts on 10 nets, routed with 82 tracks and 1 via.
Its parts include 3 capacitors, 3 resistors and 3 connectors. It belongs with the lEDs and displays and interfaces and adapters boards of this library.
README
README.mdSharp Memory Display Breakout (LS011B7DH03)
A breakout board for the Sharp LS011B7DH03, a 1.1-inch, 160x68 pixel monochrome memory display. This display is ideal for low-power applications like wireless keyboards due to its e-paper-like characteristics (~10µA power draw) and high refresh rate (30Hz).
This project is designed to be as small as possible, using fewer components than the Adafruit memory display breakout.
Sponsor
This project is proudly sponsored by NextPCB - Your trusted PCB Prototype & Fabrication Manufacturer. NextPCB provides high-quality PCB manufacturing services with fast turnaround times, making them the perfect partner for bringing electronics projects to life.
Versions
This repository contains a few different versions of the breakout board. Production files (Gerber, schematic, STEP) for all versions are available in the Releases section.
1. Original Version (this branch)
This is the original design. It is designed with the pinout of a 128x32 OLED display in mind, making it a potential replacement for common displays used in mechanical keyboards.
2. nice!view Compatible Versions
To support the growing ecosystem around the nice!view, compatible versions of this breakout are available. These are intended as a DIY alternative if the nice!view is out of stock. They use the same pinout and should work with the same ZMK configurations.
-
niceview-compat: Pin-compatible with mounting holes.
-
niceview-compat-no-mount: Pin-compatible without mounting holes for a smaller footprint.
Note: This is a DIY project. For a ready-to-use product, consider purchasing the nice!view instead.
Design and Usage
Pinout Compatibility
The original version is mostly pin-compatible with standard 128x32 I2C OLED displays used in many split keyboards. To replace an OLED, you may need to connect the CLK pin to a free GPIO on your microcontroller.
Installation
The breakout can be used in several ways:
- Socketed/Soldered: Solder pin headers to use it directly with a microcontroller board.
- Daughterboard: Solder the JST connector and use it as a daughterboard. The mounting holes can be used for this purpose.
If you need a smaller board, the mounting hole tabs can be carefully broken off.
PCB Size
Bill of Materials (BOM)
| Ref | Qty | Value | Footprint | LCSC Part # | Notes |
|---|---|---|---|---|---|
| C1 | 1 | 560pF or 680pF | 0603 | C84721 | Unpolarized Capacitor |
| C2,C3 | 2 | 1uF | 0603 | C15849 | Unpolarized Capacitor |
| FB1,FB2 | 2 | Ferrite Bead | 0805 | C1017 | |
| J2 | 1 | FH12-10S-0.5SH | - | C506791 | FPC Connector |
| J3 | 1 | JST SH 5x1 | - | AliExpress | Optional |
| R1,R2,R3 | 3 | 10kΩ | 0603 | C25804 | Optional |
| Display | 1 | LS011B7DH03 | - | AliExpress |
Notes:
- The resistors (R1, R2, R3) are optional and may not be required for the display to function.
- The LS011B7DH03 display can be difficult to source. The link provided is one of the few known sellers on AliExpress. Quality may vary.
Cost Estimate
This is a DIY project. The approximate cost for a single breakout board is $15 - $20 (before shipping), assuming you order 5 PCBs from a service like NextPCB and source the displays from AliExpress. Costs can be reduced by sourcing components from cheaper vendors and self-assembly.
For comparison, the pre-built nice!view is sold for around $20.
Demos
The breakout has been tested with CircuitPython, Arduino, and ZMK (on an nrfmicro). Example code can be found in the test_code folder.
Arduino
CircuitPython
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2_DIN965_Pad | H1, H2, H3, H4 |
| 3 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3 |
| 2 | Ferrite_Bead_Small | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | FB1, FB2 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 560pF/680pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | Conn_01x05 | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J1 |
| 1 | Conn_01x05_Male | Connector_JST:JST_SH_SM05B-SRSS-TB_1x05-1MP_P1.00mm_Horizontal | J3 |
| 1 | Conn_01x10 | Connector_FFC-FPC:Hirose_FH12-10S-0.5SH_1x10-1MP_P0.50mm_Horizontal | J2 |
The 15 most common of 19 parts.
Questions
How big is the Sharp memory display PCB?
It measures 35.6 × 22 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sharp memory display use?
19 parts. 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 Sharp memory display KiCad files?
From the karnadii/sharp_memory_display_breakout repository on GitHub, at the commit this page was made from: the board is sharp_memory_display.kicad_pcb and its schematic sharp_memory_display.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sharp memory display design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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