Breakout for LinkIt Smart 7688 v2.0

Breakout for LinkIt Smart 7688 v2.0 — Seeed Studio — 103100022

Expansion board for the LinkIt Smart 7688 (MT7688/OpenWrt) that adds an RJ45 Ethernet port, 3.5 mm audio jack (OMTP/CTIA), USB-A host port, and three Grove connectors (2× UART, 1× I2C). Version 2 improves audio recording support over the original breakout.

Pinout

Logical pinout · physical placement not verified
BREAKOUT FOR LINKIT SM5VUART2 TXGNDUART2 RXUART1 TXSDAUART1 RXSCL
  • 5V
    Type · Power
  • GND
    Type · Ground
  • UART1 TX
    Type · Signal
  • UART1 RX
    Type · Signal
  • UART2 TX
    Type · Signal
  • UART2 RX
    Type · Signal
  • SDA
    Type · I2C
  • SCL
    Type · I2C

Start wiring

Ethernet · UART · SPI · Shield

Confirm the data interface matches your host board.

Module pins: 5V, GND, UART1 TX, UART1 RX, UART2 TX, UART2 RX, SDA, SCL. Schematik maps them to your board in the app.

Wired comms

118 other options

W5100/W5500 Ethernet shields, LAN8720 RMII PHY boards, MAX3243 RS-232 level shifters, isolated USB-to-RS485 converters, CAN FD bridges, and passive or active PoE injectors and splitters.

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