In fact, someone already made a Pomodoro timer using a Raspberry Pi, and it came with an air quality sensor. You too can make this cool e-ink Pomodoro timer with an ESP32.

It has a 3.8 inch, 600 x 600 pixel E Ink touchscreen display with a front-light, a built-in battery for portable operation, WiFi and Bluetooth connectivity, and an ESP32 microcontroller plus a ...

The ESPHome 2025.6.0 open-source firmware was released on June 18, 2025, with ESP32-P4 support and an initial OpenThread ...

The device comes powered by an ESP32-S3 processor and supports Wi-Fi 4 and Bluetooth 4.2. The larger E Ink panel serves as the primary display and is not backlit, which means it depends on the ...

But this model is powered by a modern, low-power ESP32-S3 processor (with two low-power Xtensa LX7 32-bit microprocessors running at 240 MHz and support for WiFi 4 and Bluetooth 4.2 LE. And it has ...

When it comes to hackers we love, there’s no better example than Jeroen Domburg, a.k.a. Sprite_TM. Sprite’s now working for Espressif, makers of the fantastic ESP8266 and ESP32, where h… ...

The CL-32, his latest creation, features an E Ink display powered by an ESP32-S3 SoC. Further, the device also offers GPIO ports should you wish to add some other peripherals.