According to google esp32 can support 3 uart connections but the specs for this device says one uart. does that mean i can only have 1 uart sensor? i

This is a ESP32, but it is also quite a lot like an ESP8266.

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 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.

Product ID: 512641532

Secure Transaction

Details

Brand
seeed studio
CPU Speed
160 MHz
Memory Storage Capacity
4 MB
Model Name
XIAO ESP32C3
RAM Memory Installed Size
0.4 MB

⚡160 MHz RISC-V CPU speed

📶100m+ Wi-Fi & BLE 5.0 range

🔋Ultra-low 44μA deep sleep power

Description

🚀 Tiny Board, Giant IoT Impact — Power Your Edge AI Revolution!

EDGE AI READY - 11 digital + 4 analog I/O plus UART/I2C/SPI interfaces optimized for TinyML
COMPACT YET CAPABLE - Thumb-sized 21x17.5mm footprint with rich I/O ports for versatile prototyping
BATTERY SMART DESIGN - Integrated Li-ion/LiPo charging with ultra-low power modes for all-day wearables
POWERHOUSE RISC V CORE - 160 MHz processing for lightning-fast IoT and edge AI performance
UNMATCHED WIRELESS REACH - U.FL antenna delivers stable Wi-Fi & BLE connectivity beyond 100 meters

The Seeed Studio XIAO ESP32C3 is a compact, production-ready microcontroller board featuring a 160 MHz 32-bit RISC-V CPU, integrated Wi-Fi and Bluetooth 5.0 with long-range connectivity, and ultra-low power consumption modes. Designed for IoT and edge AI applications, it supports Arduino and CircuitPython, includes onboard battery charging for Li-ion/LiPo batteries, and offers a rich set of digital and analog I/O ports, making it ideal for wearable and portable smart devices.

Specifications

ASIN	B0B94JZ2YF
Best Sellers Rank	#51,412 in Electronics ( See Top 100 in Electronics ) #26 in Barebones
Box Contents	/
Brand	seeed studio
Brand Name	seeed studio
CPU Speed	160 MHz
Compatible Devices	Wi-Fi and Bluetooth enabled devices
Connectivity Technology	Wi-Fi
Country of Origin	China
Customer Reviews	4.6 out of 5 stars 473 Reviews
Item Dimensions L x W x H	5L x 4W x 3H Centimeters
Manufacturer	seeed studio
Manufacturer Part Number	ESP32-C3
Memory Storage Capacity	4 MB
Model Name	XIAO ESP32C3
Model Number	ESP32-C3
Network Connectivity Technology	Wi-Fi
Operating System	Linux
Processor Brand	Espressif
Processor Count	1
Processor Speed	160 MHz
RAM Memory Installed	0.4 MB
RAM Memory Installed Size	0.4 MB
RAM Memory Technology	SRAM
Total USB Ports	1
Wireless Compability	Bluetooth

Reviews

N**U

Produit conforme et livraison rapide

20.06.2024

N**I

Perfect

19.12.2025

R**D

Good to have it

15.03.2025

D**A

XIAO ESP32-C3 – Tiny, Powerful, and Perfect for IoT!

6.03.2025

S**5

Good micro controller

23.02.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

€ 36.02

Duties & taxes incl.

Finlandstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

View all Trustpilot reviews