Seeed Studio XIAO Expansion Base (OLED, RTC, microSD, Grove)

Order-to-ship. Dispatched within 3–5 business days from EU stock.

The official carrier board for the Seeed Studio XIAO family. Plug any XIAO (ESP32C3, ESP32S3, RP2040, SAMD21, nRF52840) into the socket and you get a 0.96" OLED display, a real-time clock with battery holder, a microSD slot, a buzzer, user and reset buttons and a set of Grove connectors, so sensors and actuators connect without soldering. Ideal for prototyping and classroom use.

• 0.96" OLED display (SSD1306, I2C)
• Real-time clock (PCF8563) with coin-cell holder
• microSD card slot, passive buzzer, user button, reset button
• Grove connectors for I2C, UART and analog/digital I/O
• Li-ion battery connector with charging via the XIAO; USB-C and 5 V servo header
• Compatible with all XIAO boards (XIAO not included)