{"product_id":"gravity-6-6-flexible-array-tactile-pressure-sensor-uart-matrix-fsr","title":"Gravity: 6×6 Flexible Array Tactile Pressure Sensor (UART Matrix FSR)","description":"\u003ch4\u003eIntroduction\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003eThis Gravity: 6×6 Flexible Tactile Pressure Sensor Array is a high-performance tactile sensing solution specifically designed for intelligent gripping systems, human-computer interaction (HCI), and advanced scientific research. Utilizing cutting-edge flexible thin-film technology,\u003cspan\u003e \u003c\/span\u003e\u003cb\u003ethe sensor integrates 36 independent detection units within a compact 15×15mm sensing area\u003c\/b\u003e. This density allows for the real-time capture of precise pressure distribution and subtle tactile changes.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional single-point pressure sensors, this array supports UART interface cascading, significantly reducing the complexity of multi-sensor wiring. Its ultra-thin and bendable physical profile acts as an \"electronic skin,\" allowing it to seamlessly conform to robotic grippers, wearable devices, or DIY dexterous hands. With the dedicated Tactile Sensor Tool host software and comprehensive embedded software support, developers can achieve rapid project prototyping and verification.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0704\/1-1_0x0.jpg.webp\" alt=\"Tactile Sensor Tool host software of 6×6 Flexible Array Tactile Pressure Sensor\" title=\"Tactile Sensor Tool host software of 6×6 Flexible Array Tactile Pressure Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTactile Matrix Array: Precise Pressure Distribution Mapping\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor's interior is engineered with a\u003cspan\u003e \u003c\/span\u003e\u003cb\u003ematrix of 6 horizontal columns and 6 vertical rows\u003c\/b\u003e, forming a grid of sensing points with a precision pitch of just 2.5mm. This high-density layout enables the device to generate real-time \"Pressure Heatmaps,\" providing exceptional accuracy whether monitoring overall force distribution or analyzing localized pressure points. Engineered for high-speed performance, the sensor achieves microsecond-level response times (＜10μs), ensuring seamless data capture for dynamic applications.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUltra-Compact: Non-Invasive Integration for Various Projects\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eTo meet the rigorous space constraints of advanced projects, this product features an ultra-thin sensor profile and a tiny 20×12mm adapter board. Its compact dimensions, combined with the adhesive backing on the sensor, allow it to be easily mounted and embedded into space-limited robotic grippers or small-scale wearable devices without requiring structural modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0704\/2_0x0.jpg.webp\" alt=\"Ultra-Compact Size of 6×6 Flexible Array Tactile Pressure Sensor\" title=\"Ultra-Compact Size of 6×6 Flexible Array Tactile Pressure Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUART Cascading \u0026amp; Ease of Use: Rapid Prototyping\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe sensor features an optimized communication protocol with full support for the Arduino, ESP32, and Raspberry Pi ecosystems. It comes equipped with a 30cm flexible silicone cable that is both durable and easy to connect. Via the UART interface, users can effortlessly retrieve data from all 36 pressure channels, eliminating the need to build complex custom analog acquisition circuitry.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFlexible FPC Material: Heat Resistance \u0026amp; High Durability\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from high-quality Flexible Printed Circuit (FPC) material, the sensor features a compact structure that remains resistant to deformation even under high temperatures. With a service life exceeding 1 million cycles, the product ensures a consistent repeatability of ±5%, even during long-term, high-intensity repetitive mechanical motions.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/SEN0704\/3_0x0.jpg.webp\" alt=\"Piezoresistive Characteristics of 6×6 Flexible Array Tactile Pressure Sensor\" title=\"Piezoresistive Characteristics of 6×6 Flexible Array Tactile Pressure Sensor\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDeveloper Pro-Tips\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLogic Level \u0026amp; Timing: The adapter board operates at 5V. Ensure proper logic level shifting if interfacing with 3.3V microcontrollers (like\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/robotpishop.com\/collections\/esp\" target=\"_blank\" rel=\"noopener\"\u003eESP32\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/robotpishop.com\/collections\/boards-pi\" target=\"_blank\" rel=\"noopener\"\u003eRaspberry Pi\u003c\/a\u003e) to prevent UART RX\/TX signal degradation. Sync the serial read buffer logic to the sensor's native 20Hz\/50Hz sampling frequency to maintain stable heatmap rendering without buffer overflows.\u003c\/li\u003e\n\u003cli\u003eThreshold Calibration: Each of the 36 points detects loads ranging from 20g to 5kg. For HCI touch applications, calibrate the software trigger threshold near the 20g minimum. For mechanical clamping, utilize the upper dynamic range to map high-force gradients.\u003c\/li\u003e\n\u003cli\u003eMechanical Integration: To maximize the \u0026gt;1,000,000 cycle lifespan, ensure the mechanical interface pressing against the sensor is free of sharp, puncturing edges. Use a thin elastomer overlay (like silicone) to distribute point loads evenly across the 2.5mm pitch grid.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\n\u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIntelligent Robotic Grippers: Wrapping the flexible array around robotic end-effectors to detect multi-directional object slip, allowing algorithms to dynamically adjust grasping force for fragile items.\u003c\/li\u003e\n\u003cli\u003eWearable Biomechanics Analysis: Integrating the ultra-thin sensor into insoles, prosthetics, or smart gloves to map localized joint pressure and grip distribution during human movement.\u003c\/li\u003e\n\u003cli\u003eAdvanced Human-Machine Interaction (HCI): Developing smart, curved interfaces that recognize complex, multi-finger touch gestures or variable-pressure inputs for industrial control panels.\u003c\/li\u003e\n\u003cli\u003eMaterial \u0026amp; Scientific Research: Monitoring precise force distribution and compression profiles during automated material testing or structural stress analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Specification\" class=\"content Specification\"\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eSampling Frequency: 20Hz \/ 50Hz\u003c\/li\u003e\n\u003cli\u003eSensing Area: 15 x 15mm\u003c\/li\u003e\n\u003cli\u003eArray Configuration: 6 x 6 (36 points)\u003c\/li\u003e\n\u003cli\u003eCommunication Interface: UART\u003c\/li\u003e\n\u003cli\u003eTrigger Force: 20g\u003c\/li\u003e\n\u003cli\u003ePressure Range: 20g ~ 5kg (per sensing point)\u003c\/li\u003e\n\u003cli\u003ePressure Type: Compression\/Pressing\u003c\/li\u003e\n\u003cli\u003eDurability: \u0026gt;1,000,000 times (at 1kg force)\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20℃ ~ +65℃\u003c\/li\u003e\n\u003cli\u003eAdapter Board Size: 20 x 12mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Shipping-List\" class=\"content ShippingList\"\u003e\n\u003ch4\u003eShipping List\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eAdapter Board x1\u003c\/li\u003e\n\u003cli\u003e6×6 Flexible Array Pressure Sensor x1\u003c\/li\u003e\n\u003cli\u003e30cm Flexible Silicone Connection Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content documents\"\u003e\n\u003ch4\u003eDocuments\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0704\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":41722570932357,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5819\/0725\/files\/1_90dca13c-85e6-4a30-9e9d-c7439fd4176c.png?v=1782130107","url":"https:\/\/robotpishop.com\/products\/gravity-6-6-flexible-array-tactile-pressure-sensor-uart-matrix-fsr","provider":"Robot Pi Shop","version":"1.0","type":"link"}