The Best Esp32 Relay Board of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best Esp32 Relay Board of 2022. Check our ranking below.
2,594 Reviews Scanned
- ESP32 Development Board--Onboard mature and stable ESP32 module, with large capacity 4M Byte Flash, reliable for use.
- Convenient Development--The IO port and the UART program download port are all led out, convenient for secondary development.
- Programmable--Onboard ESP32 module IO0 has programmable button and reset button, convenient for operation.
- 4 Way 5V Relay--4 way 5V relay onboard outputs switch , suitable for controlling the load whose working voltage is within AC250V DC30V.
- Multi Usage--Equipped with WiFi and BLE modules, supports DC5‑60V power supply, can be used for secondary development and learning, smart house wireless control, etc.
- Stable ESP32 Module: The onboard ESP32-WROOM-32E module with large capacity 4M Byte Flash, supports the use of development tools and provide reference programs in the development environment.
- Reliable in Use: The ESP32 8 channel relay development board is equipped with the ESP32-WROOM-32E WiFi and BLE module, and all I/O ports are led out, supporting DC 5-30V power supply. Suitable for ESP32 secondary development learning, smart home wireless control, and other occasion.
- For Development: The I/O ports and UART program download ports of the ESP32 module are all exported, making it convenient for secondary development.
- Applicable Scene: On board 8 circuit 5V relay, output switch , suitable for controlling loads with working voltage within AC 250V and DC 30V.
- Better Design: On board ESP32 module programmable buttons and reset buttons, on board 1 programmable LED and relay indicator light.
- -4MB FLASH ,8MB PS RAM
- -MCU: ESP32-Wrover-B
- -WIFI :802.11 b/g/n，Blutooth：BLE V4.2
- -Onboard Functions :4 Groups of relays ,Optocoupler Isolation, 16 Expansion GPIO
- -More information: github.com/Xinyuan-LilyGO/LilyGo-T-Relay
- Mature and Stable Module: This module supports I/O port as well as UART program download port all pinout, programmable keys and reset keys, mature and stable.
- Safe : The dual relay board is equipped with WiFi and BLE modules
- Output Switching : This relay board contains 2 way 5V relay with output switching , suitable for controlling loads with operating voltage of AC250V or DC30V or less.
- Large Capacity: This dual relay module has a large enough capacity of 4M, you can use it with the actual situation.
- Applicable Scenario: This dual relay module is suitable for secondary development learning, smart home, wireless control, etc. If you have related needs then this one is suitable for you.
- Relay supports Normally Open and Normally Closed
- Relay supports High-level Trigger or Low-Level Trigger selectable by a jumper
- Relay with Optocoupler Isolation
- Relay with Terminal Blocks for both Input and Output Interface
- Relay with two LED Indicators: power (green LED), the relay status (red LED)
- Enhanced ESP32-WROOM-32E: Experience the power of the 8 Channel Relay Module integrated with the high-capacity 4M Byte Flash ESP32 module.
- Versatile I/O Interface: The WiFi Relay Module boasts an array of I/O ports, including the UART program download port, providing seamless connectivity for your projects.
- Programmable Controls: The 16 Color Wall Light and the Programmable ESP32 Development Board offer 100 programmable buttons, LED indicators, and a reset button for ultimate control and customization.
- Flexible Development Environment: Simplify your development process, making the Remote Control Relay Module an ideal choice for beginners and advanced users alike.
- Wide Compatibility: The WiFi Relay Module is equipped with 8 channels, supporting AC250V/DC30V loads, making it suitable for a range of applications such as smart home wireless control.
- It Is An ESP32-C3 Single-channel Relay Development Board,equipped With ESP-C3-12F Wireless Fidelity &BLE Module,all I/O Ports Are Led Out,and Supports AC 90V-250V and DC 7V-12V Two Power Supply Modes.It Is Suitable For ESP32-C3 Secondary Development and Learning,smart Home Wireless Control and Other Occasions.
- It Uses Mature and Stable ESP-C3-12F Module and Supports Large-capacity 4M Byte Flash.The I/O Port of the ESP3213 Module and the Download Port of the UART Program Are All Led Out,which Is Convenient For Secondary Development.
- It Has Onboard AC-DC and DC-DC Switching Power Supply Modules,and Supports Both AC/DC Power Supply Modes.Onboard ESP32-C3 Module EN Power Button and IO9 Programmable Button.
- ESP32-C3 Supports the Use of IDE Development Tools.It Has 1 Channel 5V Relay,outputs Switch Signal,and Uses the Load Whose Control Working Voltage Is Within AC250V/DC30V.It Has A Power Indicator,a Relay Indicator,and the Module Can Be Observed Through the Indicator.
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- -4 MB Flash, 8MB PS RAM
- - ESP32-Wrover- E (Supports WIFI Bluetooth)
- - 8 Channel Relay (With Optocoupler Support)
- - Each relay is equipped with an individual indicator and a red custom indicator
- - More information: github.com/Xinyuan-LilyGO/LilyGo-T-Relay
- Reliable in Use: The ESP32 8 channel relay development board is equipped with the ESP32-WROOM-32E WiFi and BLE module, and all I/O ports are led out, supporting DC 5-30V power supply. Suitable for ESP32 secondary development learning, smart home wireless control, and other occasion.
- Stable ESP32 Module: The onboard ESP32-WROOM-32E module with large capacity 4M Byte Flash, supports the use of development tools and provide reference programs in the development environment.
- For Development: The I/O ports and UART program download ports of the ESP32 module are all exported, making it convenient for secondary development.
- Better Design: On board ESP32 module programmable buttons and reset buttons, on board 1 programmable LED and relay indicator light.
- Applicable Scene: On board 8 circuit 5V relay, output switch , suitable for controlling loads with working voltage within AC 250V and DC 30V.
- LEDs indicators for each electromagnetic relay channel. Relays with SPDT switch contacts: Normally Open, Common, Normally Closed.
- Up to 8 boards can be connected to I2C bus line. The module contains an PCF8574 or PCF8574A chip. Working temperature range - 25 C ~ + 80 C
- Comes with different slave address 0x27 or 0x3F, depends on the batch. Relay expected life Mechanical - 10,000,000 operations min. Relay expected life Electrical - 100,000 operations min. at rated load
- Relay dielectric strength 750 VAC, 50/60Hz between contact. Maximum current per relay – 10A peak. Maximum current @5.0V – 700mA. Operation DC voltage – 3.3V and 5.0V
- AC controlling voltage range 100…240V AC, AC voltage frequency range 50…60Hz. compatible with plastic din rail holder, size 100mm
Last update on 2024-03-25 / Affiliate links / Images from Amazon Product Advertising API
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