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Introduction
The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders. With the added Qwiic feature, you can quickly connect to the sensor via I2C! In this tutorial, you will learn how to connect to the TFMini using an Arduino microcontroller with the Qwiic system.
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SEN-14786
The TFMini is a ToF, Qwiic-enabled LiDAR sensor capable of measuring the distance to an object as close as 30 centimeters and…
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Required Materials
To follow along with this tutorial, you will need the following materials. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.
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DEV-11114
SparkFun's minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader.
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DEV-14495
The SparkFun Qwiic Adapter provides the perfect means to make any old I2C board into a Qwiic enabled board.
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PRT-00116
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
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PRT-14425
This is a jumper adapter cable that comes pre-terminated with a female Qwiic JST connector on one end and a breadboard hookup…
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DEV-13746
This is SparkFun Beefy 3 FTDI Basic Breakout for the FTDI FT231X USB to serial IC. The pinout of this board matches the FTDI …
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CAB-10215
USB 2.0 type A to Micro-B 5-pin. This is a new, smaller connector for USB devices. Micro-B connectors are about half the heig…
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Tip: You could also use RedBoard Qwiic. It's basically a RedBoard with additional features. The board includes the same AP2112K 3.3V voltage regulator that is populated on the Beefy 3 and Qwiic connector on the board. This would reduce the amount of components and time soldering headers to the board. Additionally, a USB port can provide up to about 500mA so the TFMini may want to pull more power when auto ranging for longer distances.
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DEV-15123
The SparkFun RedBoard Qwiic is an Arduino-compatible development board with a built in Qwiic connector, eliminating the need …
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Tools
Depending on your setup, you will need a soldering iron, solder, and general soldering accessories.
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TOL-09325
This is your basic spool of lead free solder with a water soluble resin core. 0.031" gauge and 100 grams. This is a good spoo…
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TOL-14228
The WLC100 from Weller is a versatile 5 watt to 40 watt soldering station that is perfect for hobbyists, DIYers and students.…
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Suggested Reading
If you aren't familiar with the Qwiic system, we recommend reading here for an overview.
We would also recommend taking a look at the following tutorials if you aren't familiar with them.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Using the Arduino Pro Mini 3.3V
This tutorial is your guide to all things Arduino Pro Mini. It explains what it is, what it's not, and how to get started using it.
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