SPM1423
2 devicesRelated:1.54" E-Paper Display128MB SLC NAND Flash Memory128Mbit Serial NOR Flash16-Channel I2C GPIO Expander1N41482.41" AMOLED Display2.9" B/W E-Paper Display (128x296)3.3V 2A DC-DC Buck Converter3.3V 800mA LDO Regulator3W Mono Class-D Audio Amplifier4G LTE Cat-4 Global Cellular Modem5-Way Navigation Button

M5StickC Plus 2
Dev Board
Compact ESP32-PICO-V3-02 wearable dev board with 1.14" TFT LCD (135x240), 6-axis IMU (MPU6886), IR transmitter, microphone, buzzer, 200mAh battery, Wi-Fi and Bluetooth in a 48x24x13.5mm form factor.
ESP32-PICO-V3-02520KB SRAM8MBWiFi Wi-Fi 4 (2.4GHz)BLE BLE 4.2
~$20View

M5Stack Atom Echo
Dev Board
Ultra-compact ESP32-PICO smart speaker dev kit (24x24mm) with built-in microphone, speaker, RGB LED, button, and Grove port. Ideal for voice assistant and audio streaming projects.
Dual-core Xtensa LX6 @ 240MHz4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$14View
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