• Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of theInkplate 6in 2019. • TheInkplate 13SPECTRAis their latest model based on an ESP32-S3 WiFi and Bluetooth SoC and a 13.3-inch E-Ink Spectra color display with 1600 x 1200 resolution. • More specifically, it’s powered by an ESP32-S3-WROOM-2-N32R16V module with 32MB SPI flash and 16MB PSRAM, features a microSD card slot for data storage, a USB-C port for data and power, a JST connector for an optional 3,000 mAh LiPo battery, and expansion capabilities through three Qwiic connectors and GPIO expander pins. • Inkplate 13SPECTRA specifications: Wireless module - ESP32-S3-WROOM-2-N32R16VSoC - ESP32-S3 dual-core Xtensa LX7 processor (up to 240 MHz) with wireless connectivitySystem Memory - 16 MB PSRAMStorage - 32 MB flashWireless -  Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 5 (LE), SoC - ESP32-S3 dual-core Xtensa LX7 processor (up to 240 MHz) with wireless connectivity System Memory - 16 MB PSRAM Storage - 32 MB flash Wireless -  Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 5 (LE), Storage - MicroSD card slot Display13.3-inch E-Ink SPECTRA color e-paper with 1600 x 1200 resolution (six colors: black, white, yellow, red, blue, green)Refresh time - 19 seconds 13.3-inch E-Ink SPECTRA color e-paper with 1600 x 1200 resolution (six colors: black, white, yellow, red, blue, green) Refresh time - 19 seconds USB - 1x USB Type-C port for data and power/battery charging Expansion3x Qwiic portsGPIO expander pins (pads with through holes) 3x Qwiic ports GPIO expander pins (pads with through holes) MiscPower and Wake buttonsPCF85063A RTC and CR2032 battery backup Power and Wake buttons PCF85063A RTC and CR2032 battery backup Power Supply5V via USB-C port2-pin JST connector for 3.7V Li-ion batteries with battery charging circuit onboard; optional 3,000 mAh batteryUltra-Low Power: 14 µA deep-sleep current 5V via USB-C port 2-pin JST connector for 3.7V Li-ion batteries with battery charging circuit onboar

Article Summaries:

  • Soldered Electronics has launched the Inkplate 13SPECTRA, a 13.3‑inch E‑ink Spectra color display powered by an ESP32‑S3 SoC. The board offers 1600 × 1200 resolution, six colors, and a 19‑second refresh time, along with 32 MB flash, 16 MB PSRAM, a microSD slot, USB‑C data/power, and optional 3,000 mAh LiPo battery. It supports Arduino, MicroPython, and ESPHome, and includes Qwiic connectors and GPIO expander pins for expansion. The design is fully open‑source, with schematics and tutorials to be released after the crowdfunding campaign, which has already exceeded its $9,270 target.
  • Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of the Inkplate 6 in 2019. The Inkplate 13SPECTRA is their latest model based on an ESP32-S3 WiFi and Bluetooth SoC and a 13.3-inch E-Ink Spectra color display with 1600 x 1200 resolution. More specifically, it’s powered by an ESP32-S3-WROOM-2-N32R16V module with 32MB SPI flash and 16MB PSRAM, features a microSD card slot for data storage, a USB-C port for data and power, a JST connector for an optional 3,000 mAh LiPo battery, and expansion capabilities through three Qwiic connectors and GPIO expande

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