Tuya.com
English
English
简体中文
Register
Log In
English
English
简体中文
Register
Log In
Official Website
My Suggestions
Language
English
English
简体中文
Register
Log In
Official Website
My Suggestions
Cancel
Tuya Smart Help Center
Introduction & Cooperation of Tuya
Account Issues about IoT Platform
Device
Product Management
Data Center
Operation
Cost
AI Agent
Purchase Management
Product Development
Smart Product Solutions
Device Development
Tuya Development Boards
Network Module
Wi-Fi Module
BLE Module
Zigbee Module
NB-IoT Module
Sub-G Module
GPRS Module
Wi-Sun Module
Voice Solution
GNSS Module
LTE Module
Combo Module
Other Module Issues
Module General Issues
Access Mode SoC
Matter Development
MCU Access Mode
IDE Tool
LinkSDK Development
Other Issues of Device Development
TuyaOS
App Development
Device Panel
Cloud Development
Mini Programs
Value Added Service
Testing and Certification
Multi-Language
Manufacturing
Terms
Industry General Knowledge
Consumer After-sales Issues
Help and Services
Practical Guide
Device Development
Network Module
Module General Issues
Must the MCU connected to a module use 3.3 V power?
Last Updated on:
2024-04-29 06:58:01
No. It is more convenient to use a 3.3 V MCU because you will need to convert the serial interface level if the MCU does not use 3.3 V power.
Modules can be directly connected to 5V level, see the document for details:
https://developer.tuya.com/en/docs/iot/mcu-access-hardware-design?id=Kaiuyozkmbgv0
Is this page helpful?
Yes
Feedback
Related Topics
Is the RESET pin connected to nothing when it is empty, or connected to a 3.3V power supply through a 10K resistor?
Can the serial port of the NB module connect to a 3.3v output MCU?
Click for services and help
Help Center
Consult
(001)844-672-5646
Submit Question