Component: Temperature (LM75B) (LM75B) (Environmental): Difference between revisions
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| colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | | colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | ||
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Latest revision as of 14:37, 13 July 2026
| Author | Matrix TSL |
| Version | 2.0 |
| Category | Environmental |
Temperature (LM75B) component
A digital temperature sensor based around the NXP LM75B chip.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_Temperature_LM75B.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_Temperature_LM75B.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
Initialise
|
Initialise |
| Initialise to default of 11 bit resolution | |
 - BYTE
|
Return |
ReadByte
|
|
ReadByte |
| Read a single byte at a specific address from the chip's internal memory. | |
| - BYTE
|
address |
| - BYTE
|
Return |
ReadFloat
|
|
ReadFloat |
| Reads the temperature value as a float | |
 - FLOAT
|
Return |
ReadInt
|
|
ReadInt |
| Read double byte data from register at address | |
| - BYTE
|
address |
 - INT
|
Return |
Uninit
|
|
Uninit |
| Uninitialise and release resources | |
 - VOID
|
Return |
WriteByte
|
|
WriteByte |
| - BYTE
|
address |
| - BYTE
|
data |
| - BYTE
|
Return |
WriteInt
|
|
WriteInt |
| - BYTE
|
address |
 - UINT
|
data |
| - BYTE
|
Return |
Property reference
|
Properties |
|
Channel |
| Channel selection | |
|
SDA |
| Pin used for SDA (data signal) | |
|
|
SCL |
| Pin used for SCL (clock signal) | |
|
|
SDA Remap Pin |
|
|
SCL Remap Pin |
|
|
Baud Select |
| Baud rate option selector | |
|
Baud Rate |
| Baud rate to be used | |
|
Stop Delay |
| On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | |
|
Simulation |
|
|
Simulation Comms |
|
|
Simulation |
|
Min. Temp. |
| Minimum termperature that can be set or displayed on the thermometer slider. | |
|
|
Max. Temp. |
| Maximum termperature that can be set or displayed on the thermometer slider. | |
|
Scale divisions |
| Number of numbered divisions shown on the thermometer scale. | |
|
|
I2C Data |
| Set whether the I2C data is displayed as decimal or hexadecimal numbers. | |