{"title":"EMU (Expandable Multi-material Unit)","description":"\u003cp\u003eParts for the EMU, the open-source multi-material unit by DW-Tas and igiannakas for Klipper and Happy Hare. Right now that's the EMU PCBs: the PSF sync feedback sensor, the IO board, the wiring hatch board, the LED button PCB and the NFC reader. Licensed EMU hardware kits are on the way. Everything here is in stock in the Netherlands, so EU orders ship in 1–2 working days with no import fees.\u003c\/p\u003e","products":[{"product_id":"emu-wiring-hatch-board","title":"EMU Wiring Hatch Board","description":"\u003cp\u003eThe wiring hatch board swaps the printed wiring hatch on each EMU lane box for a PCB with JST connectors on both sides. No more soldering the Filamentalist wires straight onto JST plugs, and no silicone to seal the gap around the connector. You plug the lane in from the outside and can unplug the Filamentalist from inside the base whenever you need to.\u003c\/p\u003e\u003ch3\u003eWhy it's worth it\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-soldered: all JST-XH headers are already on the board\u003c\/li\u003e\n\u003cli\u003eThe two pre-stepper switches plug in separately, no more wiring them in parallel\u003c\/li\u003e\n\u003cli\u003eWire labels on the silkscreen (5V, GND, I2C, PRE\/POST sensor, LED in\/out, motor)\u003c\/li\u003e\n\u003cli\u003eSeals the box without silicone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne board per lane box.\u003c\/li\u003e\n\u003cli\u003eThe PCB is thinner than the printed hatch, so mount it with 2× M3×6 BHCS\/SHCS instead of the 2× M3×8 FHCS. Longer screws can crack the printed box.\u003c\/li\u003e\n\u003cli\u003eSince the headers are already on, you can skip the 8-pin and 4-pin JST-XH plugs from the EMU BOM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn stock in the Netherlands\u003c\/strong\u003e, ships in 1–2 working days with no import fees.\u003c\/p\u003e\u003cp\u003eDesigned by kashine6 for the EMU by DW-Tas and igiannakas. Sourced from the EMU project's licensed PCB maker. Docs: \u003ca href=\"https:\/\/github.com\/DW-Tas\/EMU\/tree\/main\/PCB%20(recommended%20options)\/hatch_board\" target=\"_blank\" rel=\"noopener\"\u003eEMU hatch board on GitHub\u003c\/a\u003e\u003c\/p\u003e","brand":"EMU","offers":[{"title":"Default Title","offer_id":55628039946567,"sku":"EMU-HATCH","price":3.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0575\/5719\/files\/Sdd2aa9c388324aedaa5e3d8580302df3L.webp?v=1793286220"},{"product_id":"emu-led-button-pcb","title":"EMU LED Button PCB","description":"\u003cp\u003eThis PCB goes behind the eject button on each EMU lane. Four RGBW LEDs light the button up, so Happy Hare can show load and unload animations, and an SMD switch gives a crisper click than the D2F switch with magnets. It also cuts down the wiring and soldering in the button.\u003c\/p\u003e\u003ch3\u003eWhat it replaces\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 NeoPixel, 1 D2F-L switch and 4 of the 6×3 mm magnets from the base EMU BOM, per lane\u003c\/li\u003e\n\u003cli\u003eThe JST-XH 5-pin header is already soldered on\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne PCB per lane.\u003c\/li\u003e\n\u003cli\u003eIn Klipper, set \u003ccode\u003echain_count: 5\u003c\/code\u003e per lane: LEDs 1–4 are the button (exit LEDs), LED 5 is the dry box (entry LED).\u003c\/li\u003e\n\u003cli\u003eThe eject button pin gets a \u003ccode\u003e!\u003c\/code\u003e (\u003ccode\u003e^!mmu0:EJECT_BUTTON\u003c\/code\u003e), unlike the D2F setup.\u003c\/li\u003e\n\u003cli\u003eRun a 600 mm AWG26–28 wire from DOut to the LED IN of the dry box, then you can leave out the third WAGO.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn stock in the Netherlands\u003c\/strong\u003e, ships in 1–2 working days with no import fees.\u003c\/p\u003e\u003cp\u003eFor the EMU by DW-Tas and igiannakas. Sourced from the EMU project's licensed PCB maker. Assembly: \u003ca href=\"https:\/\/github.com\/DW-Tas\/EMU\/blob\/main\/Manuals\/EMU_LED_Button_PCB.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEMU LED Button PCB manual\u003c\/a\u003e\u003c\/p\u003e","brand":"EMU","offers":[{"title":"Default Title","offer_id":55628047647047,"sku":"EMU-LED","price":4.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0575\/5719\/files\/20260514_222731-768x768.avif?v=1793286470"},{"product_id":"emu-psf-proportional-sync-feedback-sensor","title":"EMU PSF Proportional Sync Feedback Sensor Set for EMU Sync","description":"\u003cp\u003eThe PSF swaps the two switches in the EMU Sync for an analogue sensor that reads where a magnet sits in the slider. Instead of just \"tension\" or \"compression\", Happy Hare gets a value from 0 to 1, with 0.5 as neutral, so it can keep the gear motor and extruder properly in sync and home to the extruder without a toolhead entry sensor.\u003c\/p\u003e\u003ch3\u003eWhat's in the bag\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePSF PCB\u003c\/li\u003e\n\u003cli\u003e2× ECAS04 bowden couplings\u003c\/li\u003e\n\u003cli\u003eSpring, 0.4 × 6 × 25 mm\u003c\/li\u003e\n\u003cli\u003eMagnet, Ø4 × 15 mm, N35\u003c\/li\u003e\n\u003cli\u003e4× M2×6 SHCS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot included: the printed EMUSync PSF housing. The STLs are in the EMU repo.\u003c\/p\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne per EMU, it sits in the bowden between the unit and the toolhead.\u003c\/li\u003e\n\u003cli\u003eNo extra board needed: the signal goes to an analogue (thermistor) pin on a board you already have.\u003c\/li\u003e\n\u003cli\u003eCalibrate once with \u003ccode\u003eMMU_CALIBRATE_PSENSOR\u003c\/code\u003e before the first load, and set \u003ccode\u003eextruder_homing_endstop: proportional\u003c\/code\u003e if your toolhead has no entry sensor.\u003c\/li\u003e\n\u003cli\u003eHappy Hare supports the PSF on other MMUs too, if you print a housing for it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn stock in the Netherlands\u003c\/strong\u003e, ships in 1–2 working days with no import fees.\u003c\/p\u003e\u003cp\u003eFor the EMU by DW-Tas and igiannakas. Sourced from the EMU project's licensed PCB maker. Assembly: \u003ca href=\"https:\/\/github.com\/DW-Tas\/EMU\/blob\/main\/Manuals\/5_EMUSync_Housing_for_Proportional_Sync_Feedback_Sensor.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEMUSync housing for the PSF sensor (manual)\u003c\/a\u003e\u003c\/p\u003e","brand":"EMU","offers":[{"title":"Default Title","offer_id":55628048040263,"sku":"EMU-PSF","price":6.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0575\/5719\/files\/S85a3f15639824d4d9ca0d957ba657b95F.webp?v=1793286220"},{"product_id":"emu-io-board","title":"EMU IO Board, 10 A, with XT30 (2+2) Connector","description":"\u003cp\u003eThe IO board is the central connection point in the EMU base. Power and CAN come in from the printer on an XT30 (2+2), and the board breaks them out to labelled terminals for the lanes. It has CAN and SYNC ports, plus legacy PSF\/VCG pins, so you're not stacking WAGOs and splices inside the base.\u003c\/p\u003e\u003ch3\u003eOn the board\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRated for 10 A\u003c\/li\u003e\n\u003cli\u003eLabelled terminals: A1, A2, A3, H, L, GND, 24V\u003c\/li\u003e\n\u003cli\u003eCAN and SYNC ports, legacy PSF\/VCG pins\u003c\/li\u003e\n\u003cli\u003eXT30 (2+2) connector included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne per EMU.\u003c\/li\u003e\n\u003cli\u003eIt needs the modified STLs for the IO board version of the base.\u003c\/li\u003e\n\u003cli\u003eMounting takes 2× M3×8 BHCS and 2× M3×12 FHCS (not included).\u003c\/li\u003e\n\u003cli\u003eThe CAN cable to the printer isn't included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn stock in the Netherlands\u003c\/strong\u003e, ships in 1–2 working days with no import fees.\u003c\/p\u003e\u003cp\u003eFor the EMU by DW-Tas and igiannakas. Sourced from the EMU project's licensed PCB maker. Docs: \u003ca href=\"https:\/\/github.com\/DW-Tas\/EMU\" target=\"_blank\" rel=\"noopener\"\u003eEMU on GitHub\u003c\/a\u003e\u003c\/p\u003e","brand":"EMU","offers":[{"title":"Default Title","offer_id":55628048138567,"sku":"EMU-IO","price":6.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0575\/5719\/files\/Sf9e4b19902df4968beed158d55b5b3c3a.webp?v=1793286204"},{"product_id":"emu-nfc-reader-board","title":"EMU NFC Reader Board, PN532, for Happy Hare Spool Tags","description":"\u003cp\u003eAn NFC reader for the EMU, built around the PN532. It reads the tag on a spool when you load it, so Happy Hare can fill in the material and colour for that lane by itself instead of you typing it in.\u003c\/p\u003e\u003ch3\u003eOn the board\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePN532 NFC reader, I2C\u003c\/li\u003e\n\u003cli\u003eReads ISO14443A tags (NTAG, MIFARE)\u003c\/li\u003e\n\u003cli\u003eHappy Hare's NFC support covers OpenSpool, OpenTag3D and TigerTag, plus Bambu, Creality, QIDI, Elegoo and Anycubic tags\u003c\/li\u003e\n\u003cli\u003eM2×6 SHCS mounting screws included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne reader per lane you want to read tags on.\u003c\/li\u003e\n\u003cli\u003eIt needs the hardware I2C bus on the lane board. Software I2C doesn't support NFC.\u003c\/li\u003e\n\u003cli\u003eNFC support in Happy Hare and the EMU is new and still being worked on. Check the \u003ca href=\"https:\/\/github.com\/moggieuk\/Happy-Hare\/wiki\/nfc_driver_matrix\" target=\"_blank\" rel=\"noopener\"\u003eHappy Hare NFC wiki\u003c\/a\u003e for the current state before you order.\u003c\/li\u003e\n\u003cli\u003eThe PN532 can't read ISO15693 (NFC Type 5) tags.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn stock in the Netherlands\u003c\/strong\u003e, ships in 1–2 working days with no import fees.\u003c\/p\u003e\u003cp\u003eFor the EMU by DW-Tas and igiannakas. Sourced from the EMU project's licensed PCB maker.\u003c\/p\u003e","brand":"EMU","offers":[{"title":"Default Title","offer_id":55628048433479,"sku":"EMU-NFC","price":14.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0575\/5719\/files\/S9b2a98994fe8430da1bf5155bd586c69Q.webp?v=1793286221"}],"url":"https:\/\/pjotr3dshop.com\/collections\/emu.oembed","provider":"Pjotr3DShop","version":"1.0","type":"link"}