# HC-SR04 (Component) ## Description HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm #CommonPartsLibrary #Sensor #ultrasonic #distanceSensor ## Component Details - **Owner:** vasy_skral - **Created:** 5/8/2023 - **Last Updated:** 4/20/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Sensor - **Datasheet URL:** https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - **Manufacturer Part Number:** HC-SR04 - **Symbol Style:** parametric-v1 - **Used in:** 6190 projects - **Stars:** 13 - **Forks:** 16 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/universal-solder-electronics-ltd/HC-SR04/16822117) | $2.27 | 1 | | [LCSC](https://www.lcsc.com/product-detail/C19857336.html) | $5.2165 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/OSEPP-Electronics/HC-SR04?qs=wNBL%252BABd93PqZEhuhHkuOw%3D%3D) | $7.20 | 107 | - **Part Type:** Sensors - **MPN:** HC-SR04 - **Package / Case Code:** TO - **Pin Count:** 4 - **Compliance:** REACH ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VCC | | | 2 | TRIG | | | 3 | ECHO | | | 4 | GND | | --- *Generated from [https://www.flux.ai/vasy_skral/hc-sr04~afv](https://www.flux.ai/vasy_skral/hc-sr04~afv)*