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The device offers a variety of special detection features. Active and Inactive Detection Detects the presence or absence of motion by comparing the acceleration on any axis with a user-set threshold. Percussion detection function can detect any direction of single vibration and double vibration action. Free fall detection function can detect whether the device is falling. These functions can be independently mapped to one of two interrupt output pins. The patented integrated memory management system uses a 32-level first-in-first-out (FIFO) buffer to store data, minimizing host processor load and reducing overall system power consumption.
Specification:
Main chip: ADXL345.
Model: GY-291
Power supply :3-5v.
Means of communication: the iic / spi communication protocol.
Measuring range: ±2g /±16g
Package Included:
1*GY-291 ADXL345 3-Axis Digital Acceleration of Gravity Tilt Module
1*Pin Header
Eric Leppert
Reviewed in the United States on January 14, 2024
I bought this to calibrate resonance compensation with Klipper. I soldered the included pins to the board and I bought pre-made wires to connect the board to the Raspberry Pi. You can connect this directly to the Raspberry Pi that's running Klipper and use this to determine the frequencies the printer is running at and compensate for them. Follow Klipper's documentation for the whole process. Prints are much better when this is tuned.The only improvement I can think of is to have the pins that are included with this already soldered to it. However, I own a soldering iron and don't mind the practice. And for the price, it works surprisingly well.
Omar G.
Reviewed in the United States on January 14, 2024
Purchase two just in case after reading the comments, I was having a hard time trying to get this working on Klipper and I thought it was that my sensors were bad since I saw some comments here that some people would get bad sensors, so I tried installing them in and Arduino Uno board to trouble shoot them and they worked amazing on the UNO board with a supper simple code that would send readings to the serial monitor so I knew it wasn't the sensors and after some trouble shooting both sensors work perfect! and now my prints are looking smooth as a baby's face :)If you have issues like I did and have an Arduino board I would recommend you troubleshoot with the arduino too.
Jim Brown
Reviewed in the United States on April 7, 2024
I just got around to using this board on my 3d printer and kept getting the error that it wasn't communicating. I changed cables to eliminate that possibility and then I decided to put it on a hot plate to reflow the solder under all the chips and then it worked. So keep in mind if it doesn't work then there may be a bad connection on the chips and you may need to heat the board to ~187°C to reflow the solder under all of the chips
Francis
Reviewed in the United States on August 7, 2023
As the title suggests, the adxl gets the job done. I mounted it to my Neptune 3 plus with klipper for input shaping and it works well. One thing I would note is that it is the chip only, no wires.
Jr
Reviewed in the United States on November 26, 2023
Worked great on my voron 2.4
Colby
Reviewed in the United States on September 1, 2022
It threw errors when I tried to use a hacked together harness with some old stepper cables and duponts, but making a real harness for it allowed it to work properly. Make sure to get a good connection.Worked great for input shaper on Klipper, exactly as the documentation said.
TJ Richardson
Reviewed in the United States on December 4, 2022
I used it with Klipper to do Input Shaper tuning on my customized 3D printer. It works just as you would hope and at a great price! Awesome! I bought 2!
KernelHappy
Reviewed in the United States on April 3, 2022
If you're looking for an ADXL345 to connect to your Raspberry Pi for use with Klipper Input Shaper, the HiLetgo GY-291 ADXL345 probably is the correct part for you.The HiLetgo GY-291 ADXL345 is a 3.3 volt part with an SPI interface and can be connected directly to the Raspberry Pi or a Pi 2040 and used for Klipper.If you're attempting to connect to a 5volt MCU you are likely looking for a different part but if you're doing that, you're not the common Klipper User and probably already know what you are looking for.
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