LILYGO T-SimHat CAN RS485 5V Relay Module
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LILYGO T-SimHat CAN RS485 5V Relay Module
The LILYGO T-SimHat series includes three expansion boards for the T-SIMXX series, providing relay control and interface support for industrial and IoT applications. These include the INA219 3-Way Relay Module with DHT11 sensor and QMI8658 IMU, a 3-Way Relay Module without sensors, and the CAN + RS485 + Relay Module for communication tasks. All versions support 5V DC power, GPIO pinouts, and are available with pre-soldered or unsoldered male headers.
Version Comparison
1. T-SimHat 3-Way Relay – Not Soldered
This version comes with unsoldered male headers, allowing users to customize soldering based on their specific setup.
Key Features:
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3 x Relays (controlled via IO18, IO19, IO32)
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DHT11 sensor, INA219, and QMI8658 IMU pre-installed
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STEMMA QT / Qwiic (JST-SH 1.0mm 4-pin) connector compatible
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Ideal for developers who want flexibility in soldering
Package Includes:
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1 x T-SimHat INA219 3-Way Relay Module
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2 x 16-pin Male Header Pins
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2 x 16-pin Female Header Pins
2. T-SimHat 3-Way Relay – Soldered (with Male Pin Headers)
This version is ready-to-use out of the box with male headers pre-soldered, saving time and effort for rapid deployment.
Key Features:
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Same functions as unsoldered version
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Male headers are factory soldered
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Suitable for direct integration with T-SIM series main boards
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Recommended for quick prototyping and plug-and-play use
Package Includes:
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1 x T-SimHat INA219 3-Way Relay Module (Male Pins Soldered)
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2 x 16-pin Female Header Pins
3. T-SimHat CAN + RS485 + Relay Module
Designed for industrial communication, this version combines CAN bus, RS485, and relay control.
Key Features:
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1 x Relay (IO32)
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CAN Bus: TX (IO22), RX (IO21)
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RS485: TX (IO19), RX (IO18), EN (IO23)
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Max Switch: AC 250V / DC 125V, up to 10A
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Fully compatible with T-SIM series
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Male headers are pre-soldered by default
Package Includes:
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1 x T-SimHat CAN + RS485 + Relay Module
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1 x 16-pin Female Header Pins
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1 x 16-pin Male Header Pins (pre-soldered)
Pin Features (Shared)
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Relay1: IO18
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Relay2: IO19
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Relay3: IO32
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INA219: SDA (IO21), SCL (IO22)
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DHT11: IO23
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QMI8658: SDA (IO21), SCL (IO22), INT1/INT2
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Power Supply: DC 5V–24V input
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Supports STEMMA QT / Qwiic ecosystem
References
Effective Date: March 27, 2025
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