Schematik raised $4.6M to help anyone build hardware with AI$4.6MIL PRE-SEED ANNOUNCEMENT
GuidesPartsBlogAbout
GuidesPartsBlogAbout

Product

  • Home
  • Try Schematik
  • Download

Resources

  • Build guides
  • Blog
  • Press
  • Information for AI

Compare

  • Schematik or Fritzing
  • Schematik or Tinkercad
  • Schematik or Wokwi
  • Schematik or Claude Code

Company

  • Company
  • Jobs
  • Privacy
Making
hardware
less hard

Built with love in Europe. For makers everywhere.

© 2026 Schematik

All rights reserved

  1. Parts
  2. /Boards
  3. /HATs, Shields & add-ons

Adafruit PiUART - USB Console and Power Add-on for Raspberry Pi

OverviewWiringAlternates
Adafruit PiUART - USB Console and Power Add-on for Raspberry Pi - Adafruit - 3589

USB Type-C to serial add-on for headless Raspberry Pi setup, with TX/RX LEDs for data activity indication.

Parts tray full · 5 max · remove a part to add another
Adafruit PiUART - USB Console and Power Add-on for Raspberry Pi — Adafruit — 3589

Offers

  • Adafruit$6.95
  • ?DigiKey$6.95
  • Pimoroni

Offers

  • Adafruit$6.95
  • ?DigiKey$6.95
  • Pimoroni

Pinout

  • 5V

    Raspberry Pi 5V power rail. Adafruit Learn states the 5V power pins can be fed from the board USB connector when the switch is ON; product page identifies this revision as USB Type-C.

    Type · powerVoltage · 5V
  • GND

    Ground connection on the Raspberry Pi header side of the PiUART add-on.

    Type · groundVoltage · 0V
  • TXD / GPIO14

    Raspberry Pi UART transmit console signal used by the PiUART USB-to-serial connection.

    Type · signalVoltage · 3.3V logic
  • RXD / GPIO15

    Raspberry Pi UART receive console signal used by the PiUART USB-to-serial connection.

    Type · signalVoltage · 3.3V logic
  • USB Type-C

    USB-to-serial console and optional power input for the Raspberry Pi, described on the Adafruit product page as a USB Type-C to serial connection with switchable Pi power.

    Type · connectorVoltage · USB 5V input when used for power
  • Power switch

    On-off switch controlling whether the PiUART feeds the Raspberry Pi 5V rail from USB power.

    Type · controlVoltage · switches 5V rail
PinPositionTypeFunctionVoltage
5VpowerRaspberry Pi 5V power rail. Adafruit Learn states the 5V power pins can be fed from the board USB connector when the switch is ON; product page identifies this revision as USB Type-C.5V
GNDgroundGround connection on the Raspberry Pi header side of the PiUART add-on.0V
TXD / GPIO14signalRaspberry Pi UART transmit console signal used by the PiUART USB-to-serial connection.3.3V logic
RXD / GPIO15signalRaspberry Pi UART receive console signal used by the PiUART USB-to-serial connection.3.3V logic
USB Type-CconnectorUSB-to-serial console and optional power input for the Raspberry Pi, described on the Adafruit product page as a USB Type-C to serial connection with switchable Pi power.USB 5V input when used for power
Power switchcontrolOn-off switch controlling whether the PiUART feeds the Raspberry Pi 5V rail from USB power.switches 5V rail

Start wiring

Shield

Verify supply voltage and logic levels before powering up.

Module pins: 5V, GND, TXD / GPIO14, RXD / GPIO15. Schematik maps them to your board in the app.

Add-ons

270 other options

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

View all 270
  • 15x7 CharliePlex LED Matrix FeatherWing - Cool White visual preview

    15x7 CharliePlex LED Matrix FeatherWing - Cool White

  • 15x7 CharliePlex LED Matrix FeatherWing - Warm White visual preview

    15x7 CharliePlex LED Matrix FeatherWing - Warm White

  • 16-Ch High Current Driver Shield Kit v2 visual preview

    16-Ch High Current Driver Shield Kit v2

  • 19V 90W AC/DC Adapter for LattePanda Mu Full-Function EVA Carrier Board visual preview

    19V 90W AC/DC Adapter for LattePanda Mu Full-Function EVA Carrier Board

  • 1Sheeld+ for iOS and Android visual preview

    1Sheeld+ for iOS and Android

  • 2-Channel Isolated CAN Bus HAT+ for Raspberry Pi, Stackable visual preview

    2-Channel Isolated CAN Bus HAT+ for Raspberry Pi, Stackable

  • 2-Channel Isolated CAN FD HAT for Raspberry Pi visual preview

    2-Channel Isolated CAN FD HAT for Raspberry Pi

  • 2-Channel Isolated CAN HAT for Raspberry Pi, MCP2515 + SN65HVD230 visual preview

    2-Channel Isolated CAN HAT for Raspberry Pi, MCP2515 + SN65HVD230

  • 2-Channel Isolated RS485 HAT for Raspberry Pi visual preview

    2-Channel Isolated RS485 HAT for Raspberry Pi

  • 2-DOF Pan-Tilt HAT for Raspberry Pi visual preview

    2-DOF Pan-Tilt HAT for Raspberry Pi

  • 3-Channel Relay Expansion Board for Jetson Nano, Optocoupler Isolated visual preview

    3-Channel Relay Expansion Board for Jetson Nano, Optocoupler Isolated

  • 3Dpad Touchless Gesture Controller Arduino Shield visual preview

    3Dpad Touchless Gesture Controller Arduino Shield

Related groups

4 groups
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual preview
10 I/Os Relay Module - CPU Arduino Nano (Relay Output) visual preview
Adafruit METRO 328 - Arduino Compatible - with Headers visual preview
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] visual preview

Arduino

About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

Boards · Arduino boards · 76 parts

10 I/Os Relay Module - CPU ESP32 (Relay Output) visual preview
Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM visual preview
Adafruit ESP32-C6 Feather - STEMMA QT visual preview
Adafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM visual preview

ESP32

Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.

Boards · ESP32 boards · 111 parts

:MOVE mini MK2 buggy kit visual preview
:VIEW text32 LCD Screen for the BBC micro:bit visual preview
16-Ch Servo Driver Breakout for micro:bit, I2C visual preview
2x40 Right Angle Edge Connector for micro:bit visual preview

Other MCUs

Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.

Boards · Other MCU boards · 225 parts

Adafruit DVI Breakout Board for HDMI Source Devices visual preview
Adafruit DVI Sock for Pico - Works with HDMI Displays visual preview
Adafruit Feather RP2040 with DVI Output Port - Works with HDMI visual preview
Adafruit MACROPAD RP2040 Bare Bones - 3x4 Keys + Encoder + OLED visual preview

Pi Pico

The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.

Boards · Pico & RP2040 boards · 44 parts