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CJMCU LM75 Temperature Sensor Module - I2C Interface
$0.7100
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SKU
SEN-10-040
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CJMCU LM75 Temperature Sensor Module is an I2C digital temperature sensor module for precise temperature measurement. It converts temperature directly to digital output and supports a measurement range from -55 to +125 degrees Celsius. The module provides 0.125 degrees Celsius resolution through its 11-bit ADC. It also supports configurable temperature threshold and hysteresis settings. With 7 slave addresses using 1001xxx, up to 8 devices can operate on the same I2C bus without address conflicts.
Features of CJMCU LM75 Temperature Sensor Module - I2C Interface
- I2C digital temperature sensor
- 11-bit ADC resolution
- 0.125 degrees Celsius temperature resolution
- Programmable temperature threshold
- Programmable hysteresis
- 7 slave addresses
- Supports 8 devices on one I2C bus
Specifications of CJMCU LM75 Temperature Sensor Module - I2C Interface
- Supply voltage: 2.8 to 5.5 volts
- Operating temperature: -55 to +125 degrees Celsius
- Temperature accuracy: ±2 degrees Celsius (-25 to 100)
- Temperature accuracy: ±3 degrees Celsius (-55 to 125)
- ADC: 11-bit
- Temperature resolution: 0.125 degrees Celsius
- Slave address: 1001xxx
- Shutdown current: 1 microampere
- I2C bus frequency: up to 400 kHz
How to Use CJMCU LM75 Temperature Sensor Module - I2C Interface
- Connect the module to an I2C bus and provide power within the specified supply voltage range.
- Read temperature data from the internal registers through the I2C interface.
- Set temperature threshold and hysteresis values if needed.
More Info
- The module can operate as a standalone temperature controller at power-up.
- The module can be used as an independent thermostat when turned on.
| Interface Type | I2C |
|---|---|
| Operating Voltage (V) | 2.8 to 5.5V |
| Operating Current (mA) | 1 µA |
| Operating Temp (°C) | -55 to +125°C |
| Mounting Type | Screw holes |
| IP Rating | None |
| Output Type | Digital |
| Accuracy | ±2°C (-25 to 100°C), ±3°C (-55 to 125°C) |
| Resolution | 0.125°C |
| Measurement Range | -55 to +125°C |
| Environmental Parameter | Temperature |
| Chipset | LM75 |
| Relay Output | No |
| Protocols | I2C |
| Temp Accuracy | ±2°C (-25 to 100°C), ±3°C (-55 to 125°C) |
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