{"product_id":"adxl345-accelerometer","title":"ADXL345 Accelerometer","description":"\u003cp\u003e\u003cstrong\u003eBare ADXL345 accelerometer breakout for Klipper resonance testing.\u003c\/strong\u003e This small 3-axis digital accelerometer board is the direct-wired option for measuring printer vibration and tuning input shaper on Klipper machines.\u003c\/p\u003e\n\u003ch3\u003eWhy use this board\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUses the ADXL345 3-axis MEMS accelerometer: selectable \u003cstrong\u003e±2 g, ±4 g, ±8 g, ±16 g\u003c\/strong\u003e ranges with up to \u003cstrong\u003e13-bit\u003c\/strong\u003e full-resolution output.\u003c\/li\u003e\n  \u003cli\u003eSupports \u003cstrong\u003eSPI\u003c\/strong\u003e and I2C at the chip level; for Klipper resonance measurement, use \u003cstrong\u003eSPI\u003c\/strong\u003e per Klipper's measuring-resonances guidance.\u003c\/li\u003e\n  \u003cli\u003eLow-mass breakout board is easy to temporarily mount to a toolhead, bed, or carriage while tuning resonance.\u003c\/li\u003e\n  \u003cli\u003eIncludes the loose male pin header shown; soldering and wiring are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSensor: \u003cstrong\u003eADXL345\u003c\/strong\u003e 3-axis digital accelerometer\u003c\/li\u003e\n  \u003cli\u003eMeasurement range: \u003cstrong\u003e±2\/±4\/±8\/±16 g\u003c\/strong\u003e, user-selectable\u003c\/li\u003e\n  \u003cli\u003eResolution: fixed 10-bit or full-resolution mode up to \u003cstrong\u003e13-bit at ±16 g\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eDigital interfaces: \u003cstrong\u003e3-wire SPI, 4-wire SPI, or I2C\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBreakout pins visible on the board: \u003cstrong\u003eGND, VCC, CS, INT1, INT2, SDO, SDA, SCL\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eChip supply range from Analog Devices datasheet: \u003cstrong\u003e2.0–3.6 V\u003c\/strong\u003e; use 3.3 V unless your controller and module documentation explicitly confirm otherwise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrinter fitment\u003c\/h3\u003e\n\u003cp\u003eUse it for Klipper input-shaper calibration on Voron, \u003ca href=\"https:\/\/dfh.fm\/products\/lh-stinger-starter-kit\"\u003eLH Stinger\u003c\/a\u003e, and other Klipper-based 3D printers when you are comfortable wiring an accelerometer directly to a Raspberry Pi, Raspberry Pi Pico, or supported controller SPI bus.\u003c\/p\u003e\n\u003ch3\u003eWhich accelerometer should you buy?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose this ADXL345 breakout if you want the low-cost direct-wire board and do not mind soldering\/crimping.\u003c\/li\u003e\n  \u003cli\u003eChoose the \u003ca href=\"https:\/\/dfh.fm\/products\/kusba-adxl345-accelerometer-by-xbst_\"\u003eKUSBA USB ADXL345 Accelerometer\u003c\/a\u003e if you want a USB accelerometer instead of running SPI wires.\u003c\/li\u003e\n  \u003cli\u003eChoose the \u003ca href=\"https:\/\/dfh.fm\/products\/ldo-input-shaper-toolkit-for-klipper\"\u003eLDO Input Shaper Toolkit\u003c\/a\u003e if you want a more complete cabled input-shaper kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThis is not a USB accelerometer and it does not include a cable or printed mount.\u003c\/li\u003e\n  \u003cli\u003eKlipper's ADXL345 resonance workflow expects SPI; I2C is too slow for that use case.\u003c\/li\u003e\n  \u003cli\u003eDouble-check power, ground, and SPI wiring before powering the printer electronics.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":40562093981865,"sku":"2245753272","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/products\/IMG_8667_0.5x.jpg?v=1622420779","url":"https:\/\/formosissima.myshopify.com\/products\/adxl345-accelerometer","provider":"dfh.fm","version":"1.0","type":"link"}