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Seeed Studio

Q: does this device allow 5v or 3.3v on the input and output pins?

Definitely not 5 volt compliant. According to the Raspberry RP2040 chip spec the maximum digital input voltage is IOVDD +0.3 VOLTS. Since the maximum IOVDD is 3.63 volts, the absolute max would be 3.93 volts.

Q: Does it come with pin connectors?

mine came with two sets of header pins which you must solder in place if you wish to use them.

Q: Can you use this with accelerometer to make a spirit level?

Sure. You would also need a display and a battery. Or use a USB cable and display on a computer. But this would be overkill if it weren't so hard to get old cheap chips these days. It's fine for a one off, but if you're thinking of production, check out things like older PIC an AT-Tiny parts. But if it's an actual spirit level you want, just buy one. If this is for inside a vehicle or robot, beware that accelerometers can only detect level in an unaccelerated frame (such as stationary, or constant speed including no turning).

Q: what board choice in Arduino for code uploading? Does not upload as Uno

In Auruino IDE, go to board selection, board manager and search for Seeed RP2040 boards. Download and install. Restart Arduino for it to recognize new libraries.

Product ID: 397720465

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Details

Brand
seeed studio
Model name
XIAO RP2040
Installed RAM memory size
264 KB
Memory storage capacity
2 MB
CPU model
Cortex

⚡Dual-core 133MHz ARM Cortex M0+

💾2MB Flash + 264KB SRAM

🔌11 digital + 4 analog + multi-interface

Frequently Bought Together

Seeed Studio XIAO RP2040 Microcontroller, with Dual-Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces.

Seeed Studio XIAO ESP32C3 - Tiny MCU Board with Wi-Fi and BLE for IoT Controlling Scenarios. Microcontroller with Battery Charge, Power Efficient, and Rich Interface for Tiny Machine Learning. …

Seeed Studio Round Display for XIAO - 1.28-inch Round Touch Screen, 240×240 Resolution, 65k Colors, RTC, Charge IC, TF Card Slot, JST 1.25 Connector, All XIAO Compatible,HMI, Smart Home, Wearables

Description

🚀 Tiny Powerhouse, Infinite Possibilities

PLUG PLAY COMPATIBILITY - Supports Arduino, MicroPython, CircuitPython with breadboard-friendly layout and expansion-ready pins.
COMPACT THUMB SIZED DESIGN - At just 20x17.5mm, it fits perfectly into wearables and space-constrained innovations.
BLAZING FAST DUAL CORE POWER - Harness the 133MHz ARM Cortex M0+ for seamless multitasking and lightning-speed processing.
VERSATILE CONNECTIVITY SUITE - 11 digital pins, 4 analog pins, plus I2C, UART, SPI interfaces for limitless hardware integration.
MASSIVE MEMORY FOR COMPLEX PROJECTS - 2MB onboard Flash and 264KB SRAM ensure your code and data never run out of space.

The Seeed Studio XIAO RP2040 is a compact microcontroller featuring a dual-core ARM Cortex M0+ processor running at 133MHz, equipped with 2MB Flash and 264KB SRAM. It offers a rich set of interfaces including 11 digital pins, 4 analog pins, and multiple communication protocols (I2C, UART, SPI). Compatible with Arduino, MicroPython, and CircuitPython, its small 20x17.5mm form factor is ideal for wearable and compact projects, with seamless integration into Seeeduino XIAO expansion boards.

Specifications

Processor	133 MHz
RAM	SRAM
Memory Speed	133 MHz
Wireless Type	802.11b
Brand	seeed studio
Series	XIAO RP2040
Item model number	500230492
Operating System	MicroPython or CircuitPython (or similar embedded operating system)
Item Weight	0.704 ounces
Product Dimensions	0.79 x 0.67 x 0.14 inches
Item Dimensions LxWxH	0.79 x 0.67 x 0.14 inches
Processor Brand	ARM
Number of Processors	2
Manufacturer	seeed studio
ASIN	B09NNVNW7M
Date First Available	December 15, 2021

Have a Question? See What Others Asked

does this device allow 5v or 3.3v on the input and output pins?

Does it come with pin connectors?

Can you use this with accelerometer to make a spirit level?

what board choice in Arduino for code uploading? Does not upload as Uno

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