EYE on NPI - Melexis MLX90395 High-Range Magnetic Field Sensor #EyeOnNPI  @Melexis_Sensors @DigiKey

EYE on NPI - Melexis MLX90395 High-Range Magnetic Field Sensor #EyeOnNPI @Melexis_Sensors @DigiKey

Subscribers:
460,000
Published on ● Video Link: https://www.youtube.com/watch?v=6CVPfxXaI24



Duration: 10:54
1,314 views
33


This weeks EYE on NPI is a sensor with a magnetic personality and we're really attracted to it...You guessed it - we're looking at the latest 3D magnetic field sensors from Melexis, the MLX90395 (https://www.digikey.com/en/product-highlight/m/melexis/mlx90395-triaxis-magnetometer) These are some of the few high-magnetic-field sensors available, with up to +-120mT, that's 1200 Gauss! Incredible when you consider many of our common magnetometers for IMU usage top out at +-50 Gauss. The sensor also has high precision, with 16-bit output and built in over-sampling since magnetometers can be a little noisy.

This sensor isn't great for IMU usage -- you'll want to stick to ~1 Gauss ranges for detecting Earth-level fields (https://en.wikipedia.org/wiki/Earth%27s_magnetic_field). But it is excellent for magnetic field sensing such as that of a rare earth magnet. These chips are often used for 3D motion sensing of an object, when it has a magnet embedded in it. Especially joysticks and other user controls, you get the environmental robustness of optical with the cost of mechanical. Plus you get Z axis motion which optical doesn't like as much. With a little bit of math you can detect various motions, positions, twists and distances, all without any mechanical wear. (https://www.youtube.com/watch?v=AMbkFrGe5Ws)

The sensor is available in both 50 and 120mT ranges, and in a few packages. We happen to like the QFN because it's pin-compatible with the earlier MLX90393 (https://www.adafruit.com/product/4022). Note that it is not code-compatible with the '393. For interfacing you can use I2C or SPI, with free-running or one-shot modes. There's an interrupt pin for data ready checking, and a trigger pin if you want to trigger readings with GPIO rather than requesting over I2C/SPI. We whipped up a driver over the weekend for people to use to get readings with an over-sample filter to help smooth out the readings. (https://github.com/adafruit/Adafruit_MLX90395)

It's great to see revisions of sensors come out that give us better accuracy and precision, with wider ranges and lower prices and the MLX90395 does not disappoint. When ordering, check the last few digits of the product order code since there are two versions. The -10x series is 120mT and the -00x series is 50mT, you'll get a trade-off of precision and range.

Digi-Key has these in stock right now in a variety of packages from SOIC to QFN to TSSOP and ready to ship today for delivery tomorrow morning (https://www.digikey.com/en/products/detail/melexis-technologies-nv/MLX90395KDC-BBA-101-RE/12330664)

Also via short URL https://www.digikey.com/short/znjjrv

See more from the manufacturer at https://www.youtube.com/watch?v=LOw-nNtpcP8




Other Videos By Adafruit Industries


2020-10-19Metro ESP32-S2 is so close to release! Tester time...
2020-10-19CircuitPython Weekly for October 19th, 2020 #adafruit
2020-10-18DESK OF LADYADA - STEMMA Sunday with BMP390 & DIY I2C Sniffin'
2020-10-16The Halloween ADABOX is about to ship, GET YOURS NOW!
2020-10-16MakeCode Arcade Game of the Week: Pixx Artist @adafruit @johnedgarpark #adafruit @MSMakeCode
2020-10-16Deep Dive w/Scott: Release Candidate 0 and sleepio #adafruit
2020-10-16MakeCode Minute: micro:bit LED Levels @adafruit @johnedgarpark #adafruit @MSMakeCode #makecode
2020-10-16Adafruit Matrix Portal - RGB LED Display Assembly Tutorial #adafruit
2020-10-15New Products 10/14/2020 featuring Adafruit Grayscale 1.5" OLED Graphic Display - STEMMA QT/Qwiic!
2020-10-15JOHN PARK'S WORKSHOP LIVE 10/15/20 Window Skull Buddy @adafruit @johnedgarpark #adafruit
2020-10-15EYE on NPI - Melexis MLX90395 High-Range Magnetic Field Sensor #EyeOnNPI @Melexis_Sensors @DigiKey
2020-10-15Adafruit Top Secret! October 14, 2020 #Adafruit #AdafruitTopSecret @Adafruit
2020-10-15The Python on Hardware weekly video 102 #CircuitPython #Adafruit #Python #MicroPython @Adafruit
2020-10-15Made in NYC 10/14/2020 Featuring #Adafruit #QTPy and a #MatrixPortal Climate Clock
2020-10-14THINK INK - How Eink works #adafruit #thinkink
2020-10-14ASK AN ENGINEER 10/14/2020 LIVE! #adafruit
2020-10-14SHOW and TELL 10/14/2020 #ShowandTell
2020-10-143D Hangouts – Tombstones, Eyes and LEDs
2020-10-14Matrix Portal Window Skull @adafruit @johnedgarpark #adafruit #halloween
2020-10-14How to Make A Neon Selfie Spot with LED Neon #adafruit
2020-10-14JP’s Product Pick of the Week 10/13/20 QT Py RECAP @adafruit @johnedgarpark



Tags:
adafruit
electronics
diy
arduino
hardware
opensource
projects
raspberry
pi
computer
raspberrypi
microcontrollers
limor
limorfried
ladyada
STEAM
STEM
python
microbit
circuitpython
neopixel
neopixels
raspberry pi
circuitplaygound
nyc
make
makers
micro:bit
adafrit
adafruit promo code
ada fruit
adafruit coupons
raspberry pi zero
micropython
machine learning
ai
tensorflow
New Product Introduction
EYE on NPI
Digi-Key
DigiKey
Melexis
Magnetic Sensor
Magnetic Field Sensor
MLX90395