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Hookup Guide

Introduction

  • SparkFun Thing Plus - RP2350
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  • The SparkFun Thing Plus - RP2350 is a dynamic and powerful wireless development platform in the Thing Plus form factor. Built around the RP2350 microcontroller from the Raspberry Pi Foundation, this board includes their radio module for single-band 2.4 GHz WiFi 4 (802.11n) and Bluetooth® 5.2 along with common hardware components found on all Thing Plus Boards. This includes on-board Lithium Ion (LiPo) battery charging and fuel gauge circuits, µSD card socket, Qwiic connector, and the Thing Plus pinout allowing use of the Thing Plus - RP2350 in a wide variety of both local and remote applications.

    The Raspberry Pi Radio Module (RM2) operates over an SPI interface, and we've designed this board to use the same pins for the radio module as official Raspberry Pi boards, making it easy to use the radio module without having to adjust anything from those development boards. The RP2350 Thing Plus includes two expanded memory options: 16MB of external Flash and 8MB PSRAM connected to the RP2350's QSPI controller. This Thing Plus board works with C/C++ using the Pico SDK, MicroPython, CircuitPython, and Arduino development environments.

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Required Materials

To follow along with this guide you will need at least one USB-C cable to connect the Thing Plus to your computer:

You may also want to get a Qwiic cable or kit to connect the Thing Plus - RP2350 to other Qwiic devices:

Optional Materials

The Thing Plus - RP2350 includes a 2-pin JST connector and integrated charging circuit for an attached single-cell LiPo battery. Below are a few options we recommend for battery-powered applications:

If you prefer a soldered connection or want to modify the solder jumpers on this board, you may need some of the products listed below:

Suggested Reading

We designed this board for integration into SparkFun's Qwiic connect system. Click on the banner below to learn more about the SparkFun Qwiic Connect System.

Before getting started with this Hookup Guide, you may want to read through the tutorials below if you are not familiar with the concepts covered in them or want a refresher. If you are using either of the Qwiic Shields linked above, we recommend reading through their respective Hookup Guides before continuing with this tutorial: