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Posted on by Jean-Luc Aufranc (CNXSoft) - 7 Comments on Open Book Touch – A DRM-free, WiFi-connected 4.26-inch open-source hardware e-reader (Crowdfunding)

Open Book Touch – A DRM-free, WiFi-connected 4.26-inch open-source hardware e-reader (Crowdfunding)

Open Book Touch

Oddly Specific Objects has launched a crowdfunding campaign for the Open Book Touch, an ESP32-S3-based e-reader with a 4.26-inch e-paper display with 480 x 800 resolution and a capacitive touch screen. The open-source hardware device comes with 16 MB flash, 8MB PSRAM, a frontlight with warm and cool LEDs, a microSD card for storage, and an 800 mAh user-replaceable LiPo battery with everything housed in a 3D printed enclosure. Open Book Touch specifications: SoC – Espressif Systems ESP32-S3 dual-core MCU with Wi-Fi and Bluetooth LE connectivity Memory – 8 MB octal SPI PSRAM Storage 16 MB quad SPI flash MicroSD card slot Display 4.26-inch, 480 × 800 e-paper; 1-bit and 2-bit grayscale with dithering Capacitive touchscreen based on FT6336 low-power controller Frontlight – five warm + five cool LEDs, independently dimmable USB – USB Type-C for power/charging and programming Misc – 3D-printed plastic enclosure; snap-fit, with 3D-printable CAD for custom shells; […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 9 Comments on PocketMage – An ESP32-S3-based Personal Digital Assistant (Crowdfunding)

PocketMage – An ESP32-S3-based Personal Digital Assistant (Crowdfunding)

ESP32-S3 Personal Digital Assistant PDA

PocketMage is an open-source hardware, ESP32-S3 personal digital assistant (PDA) with a primary, sun-readable 3.1-inch E Ink display, a secondary 1.8-inch OLED for high-refresh rate feedback, a full tactile QWERTY keyboard, and a capacitive scroll bar. The device also features a microSD card slot for storage, a buzzer for audio/sound feedback, a USB-C port for charging the 1,200 mAh battery or connecting a USB keyboard, as well as an RTC and an FPC connector for GPIO expansion. PocketMage specifications: SoC – ESP32-S3 microcontroller with Wi-Fi and Bluetooth wireless connectivity Memory – 2 MB QSPI PSRAM Storage 16 MB QSPI flash MicroSD card slot Displays Primary 3.1-inch E Ink/e-paper display with 320×240 resolution Secondary 1.8-inch OLED with 256×32 resolution Audio – Piezo buzzer for beeps and boops USB – USB Type-C port for charging and peripherals like a keyboard User input Built-in tactile QWERTY keyboard Capacitive scroll bar USB keyboard support […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on PaperBoy Game Boy Emulator works at 60 FPS on ESP32-S3 E Ink devkit

PaperBoy Game Boy Emulator works at 60 FPS on ESP32-S3 E Ink devkit

PaperBoy E Ink ESP32-S3 Gameboy emulator

60 FPS gaming on an E Ink display? That doesn’t seem right… But that’s exactly what Wenting Zhang’s PaperBoy Game Boy emulator project does, using the M5Stack PaperS3 devkit, pairing an ESP32-S3 wireless microcontroller with a 4.7-inch E Ink display with 960 x 540 resolution. One of the tricks here is that the bottom part of the ePaper touchscreen display is used for control buttons and doesn’t need to be refreshed, while the active part only requires 160 x 144 resolution, scaled three times to represent various shades of grey. Contrary to most small Eink devkits, the PaperS3 features a screen with a raw row/column driver interface, which enabled him to drive the display while bypassing the normal waveform method, and deliver a higher refresh rate up to 60 FPS. Wenting didn’t reinvent the wheel for the Game Boy emulation part, and after testing three different emulators, he went with […]

Posted on by Debashis Das - 2 Comments on EKOS – An ESP32-S3 ePaper dashboard housed in an oak-aluminum enclosure (Crowdfunding)

EKOS – An ESP32-S3 ePaper dashboard housed in an oak-aluminum enclosure (Crowdfunding)

EKOS A Programmable Open Source ePaper Hub in Solid Oak

Designed by StillFixing in Normandy (France), the EKOS is a local-first, low-power ePaper dashboard built around an ESP32-S3 SoC. It operates without any cloud dependency, subscriptions, or external accounts, offering full privacy, faster response times, and direct local control. The device comes in two variants: the EKOS Pure is a minimalist, non-touch version with two physical buttons for basic control, and the EKOS Sense adds a capacitive touch layer for smart home control, such as toggling devices, triggering scenes, or managing tasks. Both models feature a repair-friendly design with no adhesives, using four screws for assembly and a user-replaceable lithium-polymer battery. Additionally, the dashboard can be updated entirely over your home network without needing the internet. You can push data to the screen using a local API from a phone or PC, link it straight to Home Assistant, or use it to control other ESPHome devices around your house. EKOS […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Modos Flow – An FPGA-based 13.3-inch USB-C touchscreen e-paper monitor (Crowdfunding)

Modos Flow – An FPGA-based 13.3-inch USB-C touchscreen e-paper monitor (Crowdfunding)

Modos Flow

Modos Flow is a paper-like, 13.3-inch USB Type-C touchscreen monochrome or color monitor that builds upon the Modos Paper devkit introduced last year with an AMD/Xilinx Spartan-6 LX16 FPGA and STMicro STM32H750 Arm Cortex-M7 microcontroller. The main difference is that the Modos Flow is more like a consumer product with a full enclosure, a touchscreen, and optional stylus support, 4096-color e-paper display, and frontlight. Modos Flow specifications: FPGA – AMD Xilinx Spartan-6 LX16 FPGA running Caster gateware like the earlier devkit MCU – STMicro STM32H750 Arm Cortex-M7 microcontroller for USB communication, firmware upgrades, and standalone applications. Display 13.3-inch e-paper display with 3200 x 2400 resolution Refresh rate – 60 Hz with additional power, 40 Hz via a single USB-C cable Monochrome or 4096 colors/16 levels of grayscale Touchscreen support Optimized display modes for reading, browsing, watching, and writing Amber-tinted frontlight (color model only) Video Input – USB Type-C DisplayPort Alt-Mode with […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 10 Comments on M5Stack PaperColor ESP32-S3 devkit features 4-inch E Ink Spectra 6 color display

M5Stack PaperColor ESP32-S3 devkit features 4-inch E Ink Spectra 6 color display

M5Paper Color ESP32S3 Dev Kit

M5Stack PaperColor, or M5Paper Color, is an ESP32-S3 development kit with a 4-inch E Ink Spectra 6 full-color display with a resolution of 600×400, designed to offer both low power consumption and high visibility under strong lights. While the color ePaper display is the start of the show, the devkit also features a microSD card slot for storage, a microphone with echo cancellation, a 1W speaker, a temperature & humidity sensor, a few buttons, two RGB LEDs, an IR transmitter, and a Grove connector for expansion. With regards to power, a 1250 mAh battery is included, rechargeable through the device’s USB Type-C port. M5Paper Color ESP32-S3 Dev Kit specifications: SoC – Espressif ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration Memory – 8MB PSRAM Wireless – 2.4 GHz WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity Storage 16MB SPI flash […]

Posted on by Debashis Das - 13 Comments on LightInk – An ESP32-based, solar-powered E-ink smartwatch with up to 10 months of battery life

LightInk – An ESP32-based, solar-powered E-ink smartwatch with up to 10 months of battery life

LightInk

Daniel Ansorregui has developed LightInk, an open-source solar-powered E-ink watch inspired by 90s solar digital watches. It features a 1.54-inch e-paper display and supports Wi-Fi, Bluetooth, LoRa, and GPS, running on a 100mAh battery. The project integrates a custom low-quiescent-power design using a TPS63900 buck-boost converter, capacitive-touch input, and deep-sleep-driven firmware, along with ultra-fast partial e-ink updates (<1 ms active time) and precise RTC timekeeping with drift calibration. It also supports solar-first operation (no dedicated charging IC) and dynamic power gating of peripherals, enabling around 9–10 months of operation on a small battery supplemented by solar power. LightInk specifications: System-in-package – ESP32-PICO-D4 SiP CPU – Dual-core processor @ 240MHz Memory – 520KB SRAM Storage – 4MB flash Wireless – 2.4 GHz Wi-Fi 4 up to 150 Mbps and Bluetooth 4.2 BR/LE connectivity Display – 1.54-inch 200×200 B/W e-Paper panel (GDEH0154D67 or compatible) Audio – 10-15mm piezo electric disc speaker Connectivity […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 7 Comments on BeagleBadge – A Linux-powered 4.2-inch ePaper badge based on TI Sitara AM62L32 SoC

BeagleBadge – A Linux-powered 4.2-inch ePaper badge based on TI Sitara AM62L32 SoC

BeagleBadge

The BeagleBoard.org Foundation has just introduced the BeagleBadge featuring a 4.2-inch ePaper display and a Linux-capable Texas Instruments Sitara AML62L32 dual-core Cortex-A53 SoC. It’s quite feature-rich for a badge, as it offers WiFi 6, Bluetooth 5.4 LE, and LoRa/LoRaWAN connectivity, various motion and environmental sensors, a USB 2.0 host port, Mikrobus, Grove, and QWIIC expansion connectors, a 4-way joystick, a buzzer, and a range of buttons and LEDs. BeagleBadge specifications: SoC – Texas Instruments Sitara AM62L32 dual-core Arm Cortex-A53 processor @ 1.25GHz System Memory – 256 MB (128M x 16bit) LPDDR4 @ 1600 MHz Storage 4GB eMMC flash 256Mbit OSPI flash 32Kbit EEPROM MicroSD card slot Display 4.2-inch ePaper display via 24-pin FPC Connector MIPI DSI connector for LCD Wireless 2.4 GHz WiFi 6 + Bluetooth 5.3 via BeagleMod CC3301-1216 module with MHF4 Connector LoRaWAN via Wio SX1262 module with u.FL Connector USB USB 2.0 Type-A host port USB Type-C […]

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