LILYGO T-Journal

ESP32
LILYGO T-Journal

Compact ESP32-PICO-D4 camera board with OV2640 2MP sensor, 0.91-inch SSD1306 OLED display, fisheye or normal lens options, WiFi, BLE, and LiPo battery support — a minimal wireless camera module for Io

ESP32-PICO-D4520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$14View

0.91" OLED I2C Display (128x32)

Display Module
0.91" OLED I2C Display (128x32)

Compact 0.91-inch monochrome OLED display module with 128x32 pixel resolution and SSD1306 driver. Communicates over I2C interface, ideal for small status readouts and embedded projects.

None (passive display module)Nonenone

Waveshare WAVE ROVER

Robot Platform
Waveshare WAVE ROVER

Flexible 4WD mobile robot chassis with all-metal body, ESP32 controller, 0.91\" OLED, 9-axis IMU, 3S UPS power system, and open-source firmware. Supports Raspberry Pi and Jetson Nano as host computers

ESP32-WROOM-32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$90View

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