Component: Temp / Humidity (SHT31) (Environmental) - Revision history

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2026-07-13T14:37:35Z

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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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	\| width="10%" align="center" ~~style~~="~~background~~-~~color:#EAE1EA;~~" \| [[File:Fc9-conn-icon.png]]		\| width="10%" align="center" class="mtx-class-propfolder" \| [[File:Fc9-conn-icon.png]]
	\| width="90%" class="mtx-class-propfolder" \| Simulation		\| width="90%" class="mtx-class-propfolder" \| Simulation
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2026-07-13T14:36:17Z

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2026-07-13T14:23:50Z

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	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''GetHumidityInt'''		\| width="90%" class="mtx-class-macrohead" \| '''GetHumidityInt'''
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	\| colspan="2" \| returns the relative Humidity reading as an integer value		\| colspan="2" \| returns the relative Humidity reading as an integer value
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	\| width="10%" align="center" class="mtx-class-macrohead" \| [[File:Fc9-comp-macro.png]]		\| width="10%" align="center" class="mtx-class-macrohead" \| [[File:Fc9-comp-macro.png]]
	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''GetHumidityReal'''		\| width="90%" class="mtx-class-macrohead" \| '''GetHumidityReal'''
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	\| colspan="2" \| returns the Humidity reading as a float value		\| colspan="2" \| returns the Humidity reading as a float value
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	\| width="10%" align="center" class="mtx-class-macrohead" \| [[File:Fc9-comp-macro.png]]		\| width="10%" align="center" class="mtx-class-macrohead" \| [[File:Fc9-comp-macro.png]]
	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''GetTemperatureInt'''		\| width="90%" class="mtx-class-macrohead" \| '''GetTemperatureInt'''
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	\| colspan="2" \| Return temperature reading as an integer value in degrees C		\| colspan="2" \| Return temperature reading as an integer value in degrees C
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	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''GetTemperatureReal'''		\| width="90%" class="mtx-class-macrohead" \| '''GetTemperatureReal'''
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	\| colspan="2" \| Return temperature reading as a float value in degrees C		\| colspan="2" \| Return temperature reading as a float value in degrees C
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	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''Initialise'''		\| width="90%" class="mtx-class-macrohead" \| '''Initialise'''
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	\| colspan="2" \| Configures the I2C peripheral and puts the sensor into one shot mode ready to be sampled. Must be called before calling any of the other component macros. Returns 1 if the sensor has been intialised correctly, else returns 0.		\| colspan="2" \| Configures the I2C peripheral and puts the sensor into one shot mode ready to be sampled. Must be called before calling any of the other component macros. Returns 1 if the sensor has been intialised correctly, else returns 0.
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	\| width="90%" ~~style~~="~~background~~-~~color:#D8C9D8; color:#4B008D;~~" \| '''Properties'''		\| width="90%" class="mtx-class-macrohead" \| '''Properties'''
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2026-07-13T14:21:23Z

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	\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''Properties'''		\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''Properties'''
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2026-07-13T14:17:35Z

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	\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetHumidityInt'''		\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetHumidityInt'''
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	\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetHumidityReal'''		\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetHumidityReal'''
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	\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetTemperatureInt'''		\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''GetTemperatureInt'''
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	\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''Initialise'''		\| width="90%" style="background-color:#D8C9D8; color:#4B008D;" \| '''Initialise'''
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	===GetHumidityInt===		===GetHumidityInt===
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	===GetHumidityReal===		===GetHumidityReal===
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	===GetTemperatureInt===		===GetTemperatureInt===
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	===GetTemperatureReal===		===GetTemperatureReal===
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	===Initialise===		===Initialise===
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	==Property reference==		==Property reference==

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Wiki bot at 08:59, 9 June 2025

2025-06-09T08:59:21Z

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 ==Macro reference==
 ===GetHumidityInt===
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 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-f32-icon.png]] - FLOAT
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}

Wiki bot at 11:42, 26 November 2024

2024-11-26T11:42:12Z

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 ==Temp / Humidity (SHT31) component==
 Humidity and temperature sensor using an SHT31 IC connected via I2C. On screen GUI allows temperature and humidity values to be simulated, and will show all I2C communication in a console window.
 ==Detailed description==
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 | colspan="2" | &nbsp;
 |}

MartinW: /* Examples */

2024-09-18T10:50:38Z

Examples

← Older revision		Revision as of 10:50, 18 September 2024
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			An example displaying real temperatures and humidity using floats,

			{{Fcfile\|SHT31_example_floats.fcfx\|SHT31 Example}}

















	~~''<span style="color:red;">No additional examples</span>''~~












	==Macro reference==		==Macro reference==

Wiki bot at 13:10, 7 February 2023

2023-02-07T13:10:57Z

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	==Component Source Code==		==Component Source Code==

	Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/~~FC_Comp_Source_temp/Humidity_SHT31~~.fcfx ~~FC_Comp_Source_temp/Humidity_SHT31~~.fcfx]		Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_Humidity_SHT31.fcfx FC_Comp_Source_Humidity_SHT31.fcfx]

	Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/~~FC_Comp_Source_temp/Humidity_SHT31~~.fcfx ~~FC_Comp_Source_temp/Humidity_SHT31~~.fcfx]		Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_Humidity_SHT31.fcfx FC_Comp_Source_Humidity_SHT31.fcfx]

	==Detailed description==		==Detailed description==
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	''<span style="color:red;">No additional examples</span>''		''<span style="color:red;">No additional examples</span>''