techmannih/nema34-mounted-stepper-controller
A 48 V USB‑C PD 3.1 EPR NEMA‑34 stepper controller PCB combining STM32/TMC5160 control, external MOSFET motor bridges, protected power and regenerative braking, USB data, telemetry, diagnostics, status LEDs, and buzzer alarms.
- Version
- 0.3.92
- License
- unset
- Stars
- 1
docs/external-parts.json
{
"brake_resistor": {
"target_resistance_ohms": 10,
"selected_part": null,
"manufacturer_page": "https://www.vishay.com/en/product/50052/",
"status": "10 ohm LPS0300H10R0GB is the current candidate; a qualified brake assembly is mandatory for this commissioning profile. Final heatsink, load/pulse duty and procurement remain unresolved.",
"searches": [
{
"query": "RX24-300W",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24-300W",
"checked_at": "2026-10-03T17:29:43.478724+00:00",
"accepted_exact_candidates": []
},
{
"query": "RX24-100W",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24-100W",
"checked_at": "2026-10-03T17:29:43.416443+00:00",
"accepted_exact_candidates": []
},
{
"query": "RX24",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24",
"checked_at": "2026-10-03T17:45:11.226946+00:00",
"accepted_exact_candidates": []
},
{
"query": "HS100",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=HS100",
"checked_at": "2026-10-03T17:45:10.500550+00:00",
"accepted_exact_candidates": []
},
{
"query": "HS300",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=HS300",
"checked_at": "2026-10-03T17:45:11.602156+00:00",
"accepted_exact_candidates": []
},
{
"query": "RH250",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RH250",
"checked_at": "2026-10-03T17:45:11.213430+00:00",
"accepted_exact_candidates": []
},
{
"query": "RH100",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RH100",
"checked_at": "2026-10-03T17:45:11.218081+00:00",
"accepted_exact_candidates": []
},
{
"query": "RXLG 300W 10R",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RXLG+300W+10R",
"checked_at": "2026-10-03T18:07:15.574373+00:00",
"accepted_exact_candidates": []
},
{
"query": "RX24 300W",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24+300W",
"checked_at": "2026-10-03T18:07:15.612827+00:00",
"accepted_exact_candidates": []
},
{
"query": "HSC30010RJ",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=HSC30010RJ",
"checked_at": "2026-10-03T18:07:16.367413+00:00",
"accepted_exact_candidates": []
},
{
"query": "HS50 6R8",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=HS50+6R8",
"checked_at": "2026-10-03T18:07:15.664728+00:00",
"accepted_exact_candidates": []
},
{
"query": "RX24 50W 6R8",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24+50W+6R8",
"checked_at": "2026-10-03T18:07:15.799333+00:00",
"accepted_exact_candidates": []
},
{
"query": "RX24 50W 60R",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=RX24+50W+60R",
"checked_at": "2026-10-03T18:07:15.860998+00:00",
"accepted_exact_candidates": []
},
{
"query": "R02 300W",
"url": "https://jlcsearch.tscircuit.com/components/list.json?search=R02+300W",
"checked_at": "2026-10-03T18:07:17.091555+00:00",
"accepted_exact_candidates": []
}
],
"candidate_part": "Vishay LPS0300H10R0GB",
"candidate_continuous_rating_w": 300,
"required_continuous_power_w": null,
"final_resistance_ohms": null,
"starting_continuous_power_w": 300
},
"motor": "STEPPERONLINE 34HS31-6004S1, user ordered ASIN B091C83HWF",
"magnet": "Unselected; rear rotating-shaft access on ordered motor must be established first",
"motor_mount": "Unselected. Existing four PCB holes retained; removed adapter/posts/fasteners must not be purchased. Secure physical mounting remains unqualified.",
"encoder_holder": "Unresolved for ordered single-shaft motor; QSH pilot/holder proposal withdrawn",
"motor_specification": "4.8 Nm; 6 A/phase manufacturer rating; driver RMS/hold setting unqualified",
"inventory_scope": "Per controller unless shared-service stated. Manufacturer identification is not live stock or purchase approval. No external parts purchased by this work.",
"items": [
{
"id": "motor",
"item": "Motor",
"quantity": 1,
"part_or_candidate": "STEPPERONLINE 34HS31-6004S1",
"specification": "4.8 Nm; 6 A/phase; factory RVV 4x0.75 mm2 lead",
"source": "Motor windings",
"destination": "J2 via defined harness",
"purpose": "Convert controlled phase current to shaft motion",
"need": "basic-system",
"status": "User reports ordered ASIN B091C83HWF; received-label/current/mounting qualification pending",
"manufacturer_url": "https://files.omc-stepperonline.com/34HS31-6004S1_Full_Datasheet.pdf"
},
{
"id": "epr-source",
"item": "USB-C EPR power source",
"quantity": 1,
"part_or_candidate": "Framework Power Adapter 240 W (candidate only)",
"specification": "Actual 48 V / 5 A contract on selected port",
"source": "AC mains through suitable source",
"destination": "J1 POWER via EPR cable",
"purpose": "Motor energy supply",
"need": "basic-system",
"status": "Not purchased or qualified; confirm 48 V / 5 A capability with the actual cable and sink",
"manufacturer_url": "https://frame.work/products/power-adapter-240w"
},
{
"id": "epr-cable",
"item": "EPR USB-C cable",
"quantity": 1,
"part_or_candidate": "StarTech CC1M80GUSB4CABLE",
"specification": "1 m USB-C to USB-C; 240 W EPR / 5 A; electronically marked",
"source": "Selected EPR source",
"destination": "J1 POWER",
"purpose": "Power interconnect",
"need": "basic-system",
"status": "Manufacturer-rated candidate identified; stock, actual EPR negotiation, bend/access and source compatibility unqualified",
"manufacturer_url": "https://www.startech.com/en-ca/cables/cc1m80gusb4cable"
},
{
"id": "j2-housing",
"item": "J2 mating housing",
"quantity": 1,
"part_or_candidate": "JST VHR-4N",
"specification": "4 cavities, VH 3.96 mm",
"source": "Four crimped pigtails",
"destination": "J2 B4P-VH(LF)(SN)",
"purpose": "Keyed winding connection",
"need": "j2-harness",
"status": "Identified; supplier stock and physical acceptance pending",
"manufacturer_url": "https://www.jst-mfg.com/product/pdf/eng/eVH.pdf"
},
{
"id": "j2-contacts",
"item": "J2 contacts",
"quantity": 4,
"part_or_candidate": "JST SVH-41T-P1.1",
"specification": "16 AWG termination; insulation OD 1.7-3.0 mm",
"source": "16 AWG pigtails",
"destination": "VHR-4N cavities 1/2/3/4",
"purpose": "Contact each winding conductor",
"need": "j2-harness",
"status": "Identified; tooling/pull tests and stock pending",
"manufacturer_url": "https://www.jst-mfg.com/product/pdf/eng/eVH.pdf"
},
{
"id": "j2-wire",
"item": "J2 pigtail conductors",
"quantity": 4,
"part_or_candidate": "Alpha Wire 3057 BK005 / GR005 / RD005 / BL005",
"specification": "16 AWG 26/30 stranded; 300 V; UL1569 105 C; OD 2.3368 +/- 0.0508 mm; cuts 170/170/170/165 mm including 12 mm allowance",
"source": "Motor-side TE320559 splices",
"destination": "J2 contacts",
"purpose": "Join factory motor leads to the specified VH termination",
"need": "j2-harness",
"status": "Exact 100 ft spool SKUs identified; procure cut lengths from traceable stock; stock and first-article fit unqualified",
"manufacturer_url": "https://www.alphawire.com/en/products/wire/hook-up-wire/premium/3057"
},
{
"id": "j2-splices",
"item": "Motor-to-pigtail insulated splices",
"quantity": 4,
"part_or_candidate": "TE 320559",
"specification": "22-16 AWG / 0.3-1.42 mm2; wire insulation OD 2.03-3.18 mm; actual AE STEP nominal length 32.131 mm / diameter 5.6134 mm; finished-crimp fit unqualified",
"source": "Each factory 0.75 mm2 lead",
"destination": "Matching 16 AWG pigtail",
"purpose": "Permanent insulated winding-wire join",
"need": "j2-harness",
"status": "Identified; stock, insulation fit, tooling, pull/continuity tests pending",
"manufacturer_url": "https://www.te.com/en/product-320559.html"
},
{
"id": "physical-retention",
"item": "Motor/PCB attachment and harness retention",
"quantity": "1 installation",
"part_or_candidate": null,
"specification": "Keep four existing PCB holes; no guessed rear screws or replacement fixture",
"source": "Received motor and cable",
"destination": "PCB/harness mounting points, still unqualified",
"purpose": "Secure board and prevent cable loads on solder joints",
"need": "basic-system",
"status": "Unselected; withdrawn adapter/posts/clamps are not purchase items",
"manufacturer_url": ""
},
{
"id": "data-cable",
"item": "USB data cable",
"quantity": 1,
"part_or_candidate": "StarTech USB2CC2M",
"specification": "2 m USB-C to USB-C USB 2.0 / 480 Mbit/s; J10 DATA only, not EPR J1",
"source": "Setup/diagnostic host",
"destination": "J10 DATA",
"purpose": "Setup and commissioning diagnostics; no motor power",
"need": "commissioning",
"status": "Candidate for USB-C host identified; actual host socket, plug access and enumeration unqualified; existing suitable cable may be reused",
"manufacturer_url": "https://www.startech.com/en-us/cables/usb2cc2m"
},
{
"id": "programming",
"item": "Programming service / tools",
"quantity": "shared service",
"part_or_candidate": "ST STLINK-V3MINIE (SWD); Total Phase Aardvark I2C/SPI Host Adapter (EEPROM)",
"specification": "Qualified 3.3 V SWD and isolated EEPROM fixture; target power/readback as documented",
"source": "Accepted programmer/fixture",
"destination": "Top SWD and EEPROM pads",
"purpose": "Program/verify U16 and U3",
"need": "commissioning",
"status": "TI candidate image generated; tools identified; provider, actual isolated pad fixture and full board readback still unqualified",
"manufacturer_url": "https://www.st.com/en/development-tools/stlink-v3minie.html",
"eeprom_tool_url": "https://www.totalphase.com/products/aardvark-i2cspi/"
},
{
"id": "test-equipment",
"item": "First-article test service / equipment",
"quantity": "shared service",
"part_or_candidate": null,
"specification": "Suitable current-limited startup supply, bus-voltage/phase-current measurement, thermal and continuity/crimp checks",
"source": "Test provider instruments",
"destination": "Labelled probes, harness and controlled motor/load fixture",
"purpose": "Qualify rails, motion, stop/fault energy and thermal limits",
"need": "commissioning",
"status": "Provider, instrument ratings and test fixture unresolved",
"manufacturer_url": ""
},
{
"id": "j3-resistor",
"item": "External brake resistor",
"quantity": 1,
"part_or_candidate": "Candidate: Vishay LPS0300H10R0GB",
"specification": "Candidate 10 ohm / 300 W heatsink-rated; final rating unspecified",
"source": "J3 pin 1 VMOTOR",
"destination": "Resistor then J3 pin 2 BRAKE_RETURN",
"purpose": "Dissipate returned energy when application needs it",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "Manufacturer family STEP included in assembly; 10 ohm/300 W remains provisional and unapproved for powered duty or purchase",
"manufacturer_url": "https://www.vishay.com/docs/50052/lps300.pdf"
},
{
"id": "j3-housing",
"item": "J3 mating housing",
"quantity": 1,
"part_or_candidate": "JST VHR-2N",
"specification": "2 cavities, VH 3.96 mm",
"source": "Two brake conductors",
"destination": "J3 B2P-VH(LF)(SN)",
"purpose": "Detachable qualified brake load",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "Identified for provision; fit only with approved brake installation; stock pending",
"manufacturer_url": "https://www.jst-mfg.com/product/pdf/eng/eVH.pdf"
},
{
"id": "j3-contacts",
"item": "J3 contacts",
"quantity": 2,
"part_or_candidate": "JST SVH-41T-P1.1",
"specification": "16 AWG termination; insulation OD 1.7-3.0 mm",
"source": "Brake cable",
"destination": "VHR-2N cavities 1/2",
"purpose": "Carry VMOTOR and switched return",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "Tooling, temperature and stock qualification pending",
"manufacturer_url": "https://www.jst-mfg.com/product/pdf/eng/eVH.pdf"
},
{
"id": "j3-wire",
"item": "Brake conductors",
"quantity": 2,
"part_or_candidate": "Candidate Alpha Wire 3057 RD005 / BK005",
"specification": "16 AWG Alpha3057, 300 V / 105 C; modeled red 150 mm and black 115 mm cuts including 16 mm termination allowance; first-article length and installed temperature unqualified",
"source": "J3 pins 1/2",
"destination": "Separate resistor terminals",
"purpose": "Outgoing bus and switched return; not permanent ground",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "Exact red/black spool SKUs identified; procure cut lengths; routing, stock and terminal/insulation thermal acceptance pending",
"manufacturer_url": "https://www.alphawire.com/en/products/wire/hook-up-wire/premium/3057"
},
{
"id": "j3-terminals",
"item": "Resistor ring terminals",
"quantity": 2,
"part_or_candidate": "Proposed TE 152883",
"specification": "M4 / 4.3 mm; 18-16 AWG, for current resistor candidate",
"source": "Two brake wires",
"destination": "Candidate resistor M4 terminals",
"purpose": "Terminate brake load",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "Re-select if resistor changes; stock, tooling, terminal temperature and guarded access pending",
"manufacturer_url": "https://www.te.com/en/product-152883.html"
},
{
"id": "j3-cooling",
"item": "Brake thermal/mechanical installation",
"quantity": "1 installation",
"part_or_candidate": null,
"specification": "Heatsink/chassis, interface, fasteners, guard and cable support",
"source": "Selected resistor case/terminals",
"destination": "Qualified heat-dissipating mounting location",
"purpose": "Remove heat and prevent contact/cable hazards",
"need": "Required for the current commissioning profile; installation and powered qualification pending",
"status": "80x80x30 mm cooling envelope and slotted guard shown as concepts only; no selected/orderable heatsink, cooling rating, retention or physical-fit approval",
"manufacturer_url": ""
},
{
"id": "encoder",
"item": "Optional encoder/magnet installation",
"quantity": "optional set",
"part_or_candidate": null,
"specification": "U18 AS5047P with C52/C53 plus compatible rotating magnet/holder",
"source": "Qualified motor-side rotating target",
"destination": "Centered bottom U18 footprint",
"purpose": "Future position feedback",
"need": "optional-feedback",
"status": "Do not fit/order for basic build; no qualified rear shaft/holder/gap; all three PCB footprints DNP",
"manufacturer_url": ""
}
]
}
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