MaTouch ESP32-S3 E Ink Board: A $60 Voice-Ready Dashboard

Makerfabs has added a 7.5-inch model to its MaTouch E Ink line, and it is one of the most complete ESP32-S3 dashboard boards we have seen at the price. The MaTouch ESP32-S3 7.5-inch quad-color E Ink board pairs a large 800x480 four-color panel with a four-microphone array, a motion sensor and an optional camera, starting at $59.80.

• Display: 7.5-inch E Ink panel, 800x480, in black, white, red and yellow, with a full refresh of about 20 seconds.
• Audio: four-microphone array with an ES7210 multi-channel ADC for far-field voice pickup.
• Brains: ESP32-S3R8 with two Xtensa LX7 cores at 240MHz, 8MB PSRAM and 16MB flash.
• Price: $59.80, or $64.60 with an optional 3MP OV3660 camera.

What Makes the MaTouch ESP32-S3 Board Different?

Plenty of E Ink boards exist, but few add serious audio. LinuxGizmos reports that Makerfabs pitches the four-mic array for far-field voice pickup, beamforming and direction-of-arrival processing. That means the board can hear you from across a room and work out where the sound came from, which opens the door to voice-controlled displays without a separate microphone module.

The rest of the hardware fills in the gaps. A QMI8658A six-axis IMU senses tilt and motion, a microSD slot handles images and logs, and a lithium-polymer battery connector with onboard charging makes it portable. Connectivity is 2.4GHz Wi-Fi and Bluetooth 5 LE over the ESP32-S3, with USB Type-C for power and programming.

How Fast Is a Four-Color E Ink Refresh?

Slow, and that is fine for the right job. A full refresh takes roughly 20 seconds, according to LinuxGizmos, because four-color panels have to move several pigment types into place. That rules out animation, but it suits displays that change every few minutes, such as weather, calendars, transit times or a photo frame. Once drawn, E Ink holds its image with no power, so battery life can stretch a long way.

What Can You Build With It?

Makerfabs supports ESP-IDF 5.4.2 and Arduino, with example projects for voice-controlled image browsing. A few ideas that suit the hardware:

• A family dashboard that you ask for tomorrow's forecast instead of tapping.
• A voice-controlled photo frame that flips albums on command.
• A meeting-room sign that shows availability and wakes when someone speaks.
• A battery-powered info board for a workshop or greenhouse.

It sits nicely beside other ESP32 E Ink projects like the open-source PocketMage PDA, and it continues Makerfabs' habit of affordable, well-featured boards following its Nomad Terminal handheld.

Is the MaTouch ESP32-S3 Worth $60?

For makers who want a big color E Ink screen plus real voice input, yes. Buying a comparable panel, driver board and mic array separately would cost more and take far more wiring. The 0 to 40 degrees Celsius operating range keeps it indoors, but that is where dashboards live anyway. Find more boards like this in our mini computer coverage.

Sources: LinuxGizmos — September 30, 2026; Makerfabs — product page, accessed October 3, 2026.