Mikroelektronika d.o.o.

SKU: MIKROE-4974

TFmini Click Board

Name: TFmini Click Board
Brand: Mikroelektronika d.o.o.
SKU: MIKROE-4974
Price: 12.0 GBP
Availability: InStock

£12.00 GBP

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The TFmini Click Board™ is used to interface a compatible ToF (Time of Flight) LiDAR sensor with the host MCU. This board features one four positions 1.25mm connector suitable for a TFmini LiDAR module (TFmini Plus and TFmini-S) specially made to measure an object's distance. Depending on the used LiDAR module, it is possible to achieve different measurement ranges and the use of a different serial interface, such as the UART or I2C. This Click board™ is suitable for various industrial environments like pedestrian detection, vehicle testing, and altitude.

The TFmini Click Board™ is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.

note: Sensors are not included

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Product Description

How Does The TFmini Click Board™ Work?

The TFmini Click Board™ simplifies the interface of the TFmini LiDAR module with the host MCU. This Click board™ represents a small PCB connected to the mikroBUS™ socket like any other Click board™, with a 1x4 1.25mm pitch connector used for the TFmini LiDAR sensor connection. Each of the connector pins corresponds to a pin of the TFmini LiDAR sensor, allowing easy pin access and manipulation while retaining a perfect connection quality at all times.

TFmini click inner

The TFmini Click Board™ allows users to upgrade their projects with a sensor capable of measuring the distance to an object, where different measurement ranges are possible to achieve. As with all LiDAR sensors, the effective detection distance will vary depending on lighting conditions and the reflectivity of your target object. These sensors come with an IP65 enclosure rating, 100Hz frame rate, and 70Klux ambient light immunity and are suitable for various industrial environments like pedestrian detection, vehicle testing, and altitude.

The TFmini Click Board™ provides the possibility of using both UART and I2C interfaces, with commonly used UART RX and TX pins as its default communication protocol operating at 115200bps by default configuration to transmit and exchange data with the host MCU. The selection can be made by positioning the SMD switch labelled as COMM SEL to an appropriate position. Note that all the switch positions must be on the same side, or the Click board™ may become unresponsive.

This Click board™ can operate with both 3.3V and 5V logic voltage levels selected via the VIO SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use the communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.

SPECIFICATIONS

Type	Adapter,Optical
Applications	The TFmini Click Board™ be used for various industrial environments like pedestrian detection, vehicle testing, and altitude
On-board modules	TFmini Click is an adapter Click board™ that simplifies the interface of the TFmini LiDAR module with the host MCU
Key Features	Low power consumption, high performance and accuracy, allowing measuring the distance to an object, configurable interface, suitable for both mikroBUS™ power rails, and more
Interface	I2C,UART
Compatibility	mikroBUS
Click board size	S (28.6 x 25.4 mm)
Input Voltage	3.3V or 5V

PINOUT DIAGRAM

This table shows how the pinout of the TFmini Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes	Pin					Pin	Notes
NC	1	AN	PWM	16	NC
NC	2	RST	INT	15	NC
NC	3	CS	RX	14	TX	UART TX
NC	4	SCK	TX	13	RX	UART RX
NC	5	MISO	SCL	12	SCL	I2C Clock
NC	6	MOSI	SDA	11	SDA	I2C Data
Power Supply	3.3V	7	3.3V	5V	10	5V	Power Supply
Ground	GND	8	GND	GND	9	GND	Ground

ONBOARD SETTINGS AND INDICATORS

Label	Name	Default	Description
LD1	PWR	-	Power LED Indicator
JP1	PWR	Left	Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V
SW1	PWR	Left	Communication Interface Selection UART/I2C: Left position UART, Right position I2C

TFMINI CLICK ELECTRICAL SPECIFICATIONS

Description	Min	Typ	Max	Unit
Supply Voltage	3.3	-	5	V
Operating Range	0.1	-	12	m
Operating Temperature Range	0	+25	+60	°C

Software Support

We provide a library for the TFmini Click Board™ as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Library Description

This library contains API for the TFmini Click Board™ driver.

Key functions

tfmini_get_firmware_version This function reads the sensor firmware version.
tfmini_get_measurement This function reads the output data frame and obtains the distance, strength and temperature values from it.
tfmini_send_frame This function sends a command frame to the sensor.

Example Description

This example demonstrates the use of the TFmini Click Board™ by reading the measurements from the attached TFmini S or TFmini Plus sensors.

void application_task ( void ) 
 { 
     int16_t distance = 0, strength = 0; 
     float temperature = 0; 
     if ( TFMINI_OK == tfmini_get_measurement ( &tfmini, &distance, &strength, &temperature ) )  
     { 
         log_printf( &logger, " Target distance: %d cmrn", distance ); 
         log_printf( &logger, " Signal strength: %drn", strength ); 
         log_printf( &logger, " Sensor temperature: %.2f Crnn", temperature ); 
     } 
 }

The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.

Other MikroE Libraries used in the example:

MikroSDK.Board
MikroSDK.Log
Click.TFmini

Additional Notes and Information

Depending on the development board you are using, you may need USB UART click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.

MIKROSDK

The TFmini Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.

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TFmini Click Board