{"publisher":"Xirkit — the structured parts marketplace","canonical":"https://www.xirkit.io/products/adafruit-at42qt1010-capacitive-touch-momentary-ba53","markdown":"https://www.xirkit.io/products/adafruit-at42qt1010-capacitive-touch-momentary-ba53/data.md","mcp":"https://www.xirkit.io/mcp","note":"Every value is traced to a cited source (see sources and per-value src). Null means unknown, never zero.","record":{"id":"ba534f5f-7aa7-521c-aabc-354144c23d87","mpn":"1374","name":"Adafruit AT42QT1010 Capacitive Touch (momentary)","manufacturer":"Adafruit Industries","family":"tactile_sensor","summary":"Adafruit 1374 standalone momentary capacitive touch breakout: Microchip AT42QT1010, one built-in touch pad (or wire your own pad), active-high output with LED, no microcontroller needed, 1.8–5.5 V supply, 0.5 mA fast mode or 50 µA low-power, 28 × 20 mm, 1.87 g — a one-channel touch switch for a robot button or skin patch.","schema_version":"3.0","revision":null,"tags":["tactile_sensor","tactile sensor","capacitive","touch sensor","digital sensor","1-channel touch sensor","robot skin","adafruit","robotics"],"sources":[{"other":{},"id":"datasheet","url":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf","title":"Adafruit AT42QT1010 Capacitive Touch (momentary) datasheet","publisher":"Adafruit Industries","kind":"datasheet","retrieved_at":"2026-09-29T10:04:34+00:00","field_paths":["spec.constraints.electrical.supply_voltage_max_v","spec.constraints.electrical.supply_voltage_min_v","spec.geometry.cad.assumptions","spec.geometry.cad.bbox.height_mm","spec.geometry.cad.bbox.length_mm","spec.geometry.cad.bbox.width_mm","spec.geometry.cad.envelope_complete","spec.geometry.cad.mesh_path","spec.geometry.cad.step_path","spec.geometry.cad.verification","spec.geometry.dimensions.height_mm","spec.geometry.dimensions.length_mm","spec.geometry.dimensions.width_mm","spec.geometry.other.weight_g","spec.provides.active_area_shape","spec.provides.channels","spec.provides.features","spec.provides.interface","spec.provides.output","spec.provides.sensing","spec.usage.connectors","spec.usage.pinout","spec.usage.pinout_complete","spec.usage.requirements.other.supply_current_ma"],"notes":"sha256 7a3ce69f36c3fef4601a55bf2c8273f020e4640993bed92cf4de2302d8224075"},{"other":{},"id":"offer0","url":"https://www.adafruit.com/product/1374","title":"www.adafruit.com listing","publisher":null,"kind":"distributor","retrieved_at":"2026-09-29T10:09:23+00:00","field_paths":["offers"],"notes":null}],"assets":[{"other":{},"kind":"datasheet","url":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf","label":"Datasheet","verification":"manufacturer","notes":null},{"other":{},"kind":"image","url":"https://cdn-shop.adafruit.com/970x728/1374-07.jpg","label":"Adafruit AT42QT1010 breakout (Adafruit 1374) — store photo","verification":"unverified","notes":"inspected: store photo of the sensor"},{"other":{},"kind":"cad","url":"adafruit-at42qt1010-1374.step","label":"STEP (generated from datasheet drawing)","verification":"generated","notes":"cad_check passed"}],"offers":[{"other":{"sku":"1374","price_breaks":[]},"supplier":"www.adafruit.com","url":"https://www.adafruit.com/product/1374","currency":"USD","unit_price":5.95,"stock_status":"in_stock","region":"US","minimum_quantity":null,"checked_at":"2026-09-29T10:09:23+00:00","lead_time_days_min":null,"lead_time_days_max":null,"destination":"US","destination_postal_code":null,"notes":null}],"best_for":[{"other":{},"label":"Touch and force sensing","reason":"1-channel capacitive touch (digital output) — detects a touch through foil, wire or pads on a robot shell or hand.","basis":"engineering_inference"}],"children":[{"other":{},"ref_id":"ba534f5f-7aa7-521c-aabc-354144c23d87--u1","role":"sensor","count":1,"notes":"Microchip AT42QT1010"}],"spec":{"other":{},"usage":{"other":{},"pinout":[{"id":"VDD","kind":"power_in","label":"VDD","notes":"1.8–5.5 V supply","other":{},"functions":["power_in"],"electrical":{}},{"id":"GND","kind":"ground","label":"GND","notes":"ground","other":{},"functions":["ground"],"voltage_v":0,"electrical":{}},{"id":"OUT","kind":"output","label":"OUT","notes":"active-high touch output (drives the on-board LED)","other":{},"functions":["out"],"electrical":{}}],"derived":{},"connectors":[{"id":"header","kind":"3-pin 0.1″ header (VDD, GND, OUT)","other":{},"pin_count":3}],"pin_mappings":[],"requirements":{"other":{"supply_current_ma":0.5},"data_inputs":[],"power_inputs":[]},"pinout_complete":true},"geometry":{"cad":{"bbox":{"width_mm":20,"height_mm":1.6,"length_mm":28},"features":[],"mesh_path":"adafruit-at42qt1010-1374.stl","step_path":"adafruit-at42qt1010-1374.step","assumptions":["thickness=1.6 mm assumed: PCB thickness not printed; 1.6 mm assumed for the CAD envelope only"],"verification":"generated","envelope_complete":false},"other":{"weight_g":1.87},"derived":{},"dimensions":{"other":{},"width_mm":20,"height_mm":1.6,"length_mm":28},"feature_boxes":[],"mounting_holes":[]},"provides":{"other":{},"output":"digital, active high while touched","derived":{},"sensing":"capacitive","channels":1,"features":["Standalone — no microcontroller needed; red LED lights while touched","Fast mode 0.5 mA, low-power mode 50 µA","Solder a wire to the middle pad to make your own touch pad"],"interface":"digital","capabilities":[],"active_area_shape":"single built-in pad"},"compliance":{"other":{},"derived":{},"certifications":[]},"constraints":{"other":{},"derived":{},"thermal":{"other":{}},"electrical":{"other":{},"supply_voltage_max_v":5.5,"supply_voltage_min_v":1.8}}},"other":null,"source_type":"pdf","source_ref":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf","datasheet":{"cad":{"bbox":{"max":[28,20,1.6],"min":[0,0,0],"width_mm":20,"height_mm":1.6,"length_mm":28},"check":{"failed":[],"passed":true},"expected":[{"what":"pcb","width":20,"length":28,"thickness":1.6}],"archetype":"pcb_board","mesh_path":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/adafruit-at42qt1010-1374/07_cad/part.stl","step_path":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/adafruit-at42qt1010-1374/07_cad/part.step","views_png":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/adafruit-at42qt1010-1374/07_cad/views.png","export_stl":"adafruit-at42qt1010-1374.stl","assumptions":["thickness=1.6 mm assumed: PCB thickness not printed; 1.6 mm assumed for the CAD envelope only"],"export_step":"adafruit-at42qt1010-1374.step","envelope_complete":false},"chips":[{"id":"u1","mpn":"AT42QT1010","src":{"page":27,"quote":"# Standalone Momentary Capacitive Touch Sensor Breakout - AT42QT1010","method":"text"},"role":"sensor","manufacturer":"Microchip"}],"fields":{"output":{"src":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text"},"unit":null,"value":"digital, active high while touched"},"weight":{"src":{"page":30,"quote":"- Weight: 1.87g","method":"text"},"unit":"g","value":1.87},"sensing":{"src":{"page":27,"quote":"# Standalone Momentary Capacitive Touch Sensor Breakout - AT42QT1010","method":"text"},"unit":null,"value":"capacitive"},"channels":{"src":{"page":29,"quote":"with a single \"momentary\" capacitive touch sensor","method":"derived"},"unit":null,"value":1},"connector":{"src":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text"},"unit":null,"value":"3-pin 0.1″ header"},"interface":{"src":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text"},"unit":null,"value":"digital"},"supply_current":{"src":{"page":9,"quote":"mode. Fast mode requires 0.5mA. Low","method":"text"},"orig":{"unit":"mA","value":0.5},"unit":"A","value":0.0005},"supply_voltage":{"src":{"page":29,"quote":"just power with 1.8 to 5.5VDC","method":"text"},"unit":"V","value":[1.8,5.5]},"active_area_shape":{"src":{"page":29,"quote":"touch the pad to activate the sensor","method":"text"},"unit":null,"value":"single built-in pad"}},"groups":{"all":["VDD","GND","OUT"]},"source":{"url":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf","pages":34,"sha256":"7a3ce69f36c3fef4601a55bf2c8273f020e4640993bed92cf4de2302d8224075","onboarded_at":"2026-09-29T10:11:46+00:00"},"coverage":{"pct":91.7,"score":"22/24","passed":true,"explained_nulls":["active_area_diameter","active_area_length","active_area_width","force_range","thickness","operating_temperature","thickness"]},"entities":[{"id":"VDD","attrs":{"kind":"power_in","label":"VDD","designator":"VDD","description":"1.8–5.5 V supply"},"sources":[{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"}],"attr_src":{"kind":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"label":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"designator":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"description":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"}},"functions":[],"electrical":{},"entity_type":"pin"},{"id":"GND","attrs":{"kind":"ground","label":"GND","designator":"GND","description":"ground"},"sources":[{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"}],"attr_src":{"kind":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"label":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"designator":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"},"description":{"page":7,"quote":"5.5V DC. Simply connect Ground to GND and the positive voltage to VDD. The","method":"text","fragment":"entities_pins.json"}},"functions":[],"electrical":{},"entity_type":"pin"},{"id":"OUT","attrs":{"kind":"output","label":"OUT","designator":"OUT","description":"active-high touch output (drives the on-board LED)"},"sources":[{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text","fragment":"entities_pins.json"}],"attr_src":{"kind":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text","fragment":"entities_pins.json"},"label":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text","fragment":"entities_pins.json"},"designator":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text","fragment":"entities_pins.json"},"description":{"page":10,"quote":"The outputs of these touch switches are 'active high'. Use them like a positive logic","method":"text","fragment":"entities_pins.json"}},"functions":[],"electrical":{},"entity_type":"pin"}],"taxonomy":{"pinouts":{"role":"pins_or_terminals","definition":"Pins, pads, tails or connector leads and what each does"},"code_usage":{"role":"software_usage","definition":"Wiring and example code (Arduino / CircuitPython)"},"dimensions":{"role":"mechanical_dimensions","definition":"Dimension drawing: sensor outline, active area, tail length, board size"},"site_chrome":{"role":"other","definition":"Navigation, related products, footers, page headers"},"specifications":{"role":"electrical_ratings","definition":"Specifications: active area, force range, resistance vs force, thickness, actuation force, electrodes / channels, supply, interface"},"pricing_ordering":{"role":"ordering_commercial","definition":"Store page: price, product ID, technical details"},"product_overview":{"role":"identity_overview","definition":"Overview: sensing principle, what it detects, typical uses"}},"variants":{},"commercial":{"other":{},"checked_at":"2026-09-29T10:09:23+00:00","compliance":[],"ordering_codes":[{"code":"1374","description":"Adafruit product ID"}]},"mechanical":{"dims":{"width":{"src":{"page":30,"quote":"- Dimensions: 20mm / 0.8\" x 28mm / 1.1\"","method":"text"},"unit":"mm","value":20},"length":{"src":{"page":30,"quote":"- Dimensions: 20mm / 0.8\" x 28mm / 1.1\"","method":"text"},"unit":"mm","value":28}},"kind":"mechanical","holes":[],"units":"mm","origin":"board bottom-left","features":[],"archetype":"pcb_board","assumptions":{"thickness":{"why":"PCB thickness not printed; 1.6 mm assumed for the CAD envelope only","value":1.6}}},"page_index":[{"page":1,"tags":["site_chrome"],"primary":"site_chrome"},{"page":2,"tags":["site_chrome"],"primary":"site_chrome"},{"page":3,"tags":["product_overview"],"primary":"product_overview"},{"page":4,"tags":["product_overview"],"primary":"product_overview"},{"page":5,"tags":["pinouts","product_overview"],"primary":"product_overview"},{"page":6,"tags":["site_chrome"],"primary":"none_of_these"},{"page":7,"tags":["code_usage"],"primary":"code_usage"},{"page":8,"tags":[],"primary":"none_of_these"},{"page":9,"tags":[],"primary":"none_of_these"},{"page":10,"tags":[],"primary":"none_of_these"},{"page":11,"tags":["code_usage"],"primary":"code_usage"},{"page":12,"tags":["product_overview"],"primary":"product_overview"},{"page":13,"tags":["product_overview"],"primary":"product_overview"},{"page":14,"tags":["site_chrome"],"primary":"site_chrome"},{"page":15,"tags":["pinouts"],"primary":"pinouts"},{"page":16,"tags":["product_overview"],"primary":"none_of_these"},{"page":17,"tags":[],"primary":"none_of_these"},{"page":18,"tags":["code_usage"],"primary":"code_usage"},{"page":19,"tags":[],"primary":"none_of_these"},{"page":20,"tags":[],"primary":"none_of_these"},{"page":21,"tags":["code_usage"],"primary":"code_usage"},{"page":22,"tags":["site_chrome"],"primary":"site_chrome"},{"page":23,"tags":["site_chrome"],"primary":"site_chrome"},{"page":24,"tags":["site_chrome"],"primary":"site_chrome"},{"page":25,"tags":["site_chrome"],"primary":"site_chrome"},{"page":26,"tags":["site_chrome"],"primary":"site_chrome"},{"page":27,"tags":[],"primary":"product_overview"},{"page":28,"tags":["pricing_ordering"],"primary":"pricing_ordering"},{"page":29,"tags":["product_overview"],"primary":"product_overview"},{"page":30,"tags":["specifications"],"primary":"specifications"},{"page":31,"tags":[],"primary":"none_of_these"},{"page":32,"tags":["site_chrome"],"primary":"site_chrome"},{"page":33,"tags":[],"primary":"none_of_these"},{"page":34,"tags":["pricing_ordering"],"primary":"pricing_ordering"}],"performance":[],"schema_name":"datasheet-1","part_ratings":{}},"use_cases":["touch-force-sensing"],"commercial":{"other":{},"checked_at":"2026-09-29T10:09:23+00:00","compliance":[],"ordering_codes":[{"code":"1374","description":"Adafruit product ID"}]},"assembly_label":"Module","assembly_level":2,"search_aliases":["1-channel capacitive touch sensor","1374","Adafruit AT42QT1010 Capacitive Touch"],"children_summary":[{"id":"ba534f5f-7aa7-521c-aabc-354144c23d87--u1","part_number":"AT42QT1010","manufacturer":"Microchip","role":"sensor","architecture":null,"clock_mhz":null,"memory":null}],"design":{"assets":[{"other":{},"kind":"datasheet","url":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf","label":"Datasheet","verification":"manufacturer","notes":null,"resolved_url":"https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf"},{"other":{},"kind":"image","url":"https://cdn-shop.adafruit.com/970x728/1374-07.jpg","label":"Adafruit AT42QT1010 breakout (Adafruit 1374) — store photo","verification":"unverified","notes":"inspected: store photo of the sensor","resolved_url":"https://cdn-shop.adafruit.com/970x728/1374-07.jpg"},{"other":{},"kind":"cad","url":"adafruit-at42qt1010-1374.step","label":"STEP (generated from datasheet drawing)","verification":"generated","notes":"cad_check passed","resolved_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/adafruit-at42qt1010-1374.step"}],"cad":{"verification":"generated","envelope_complete":false,"assumptions":["thickness=1.6 mm assumed: PCB thickness not printed; 1.6 mm assumed for the CAD envelope only"],"step_path":"adafruit-at42qt1010-1374.step","mesh_path":"adafruit-at42qt1010-1374.stl","footprint_svg_path":null,"bbox":{"length_mm":28,"width_mm":20,"height_mm":1.6},"features":[],"step_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/adafruit-at42qt1010-1374.step","mesh_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/adafruit-at42qt1010-1374.stl","footprint_svg_url":null},"limitations":["Generated geometry is an approximate mechanical envelope; inspect original manufacturer CAD when available.","Generated footprint_svg_path is an outline, not a verified electrical land pattern.","Xirkit does not run fit checks; download step_url and test fit against your own enclosure."]}}}