
LILYGO T-Journal
ESP32
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
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
~$6View

Waveshare WAVE ROVER
Robot Platform
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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