演示目录 / 距离传感器
Ultrasonic distance sensor HC-SR04
SparkFun · MPN SEN-15569 · 智能体可读版本
$5.25参考价 · 2026-08-22
取自 SparkFun 自有结构化数据，日期如上所示 — 这不是报价。我们刻意不声明可获得性。
| SparkFun | $5.25 · 2026-08-22 | 产品页面 ↗ |
Partsgraph 佐证规格表（PDF）自有文档 · 由下列来源汇编
HC-SR04 datasheetsha256 4ebdc3e1f70d…
规格 — 每个数值都附带凭据
电气
| 工作电流 | 15 mA | 数据手册第 1 页“DC 5 V Working Current 15mA Working Frequency 40Hz Max Rang”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
性能
| 超声波频率 | 40 kHz | 数据手册第 2 页“the module will send out an 8 cycle burst of ultrasound at 40 kHz and raise its echo. The Echo is a distance object that is p”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
| 测距精度 | 3 mm | 供应商页面“functionality with a ranging accuracy that can reach up to 3mm. $5.25 In stock SKU SEN-15569 Qty - + Add to Cart In stock”https://www.sparkfun.com/ultrasonic-distance-sensor-hc-sr04.html |
| 建议测量周期 | 60 ms | 数据手册第 2 页“level time * velocity (340M/S) / 2; we suggest to use over 60ms measurement cycle, in order to prevent trigger signal to th”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
接口
| 触发脉冲宽度 | 10 uS | 数据手册第 1 页“basic principle of work: (1) Using IO trigger for at least 10us high level signal, (2) The Module automatically sends eight”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
机械
| 尺寸 | 45*20*15mm | 数据手册第 1 页“proportion Dimension 45*20*15mm Vcc Trig Echo”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
通用
| 测量范围 | 2 至 400 cm | 数据手册第 1 页“uct features: Ultrasonic ranging module HC - SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
| 工作电压 | 5 V | 数据手册第 1 页“(340M/S) / 2, Wire connecting direct as following: 5V Supply Trigger Pulse Input Echo Pulse Output 0V”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
| 测量角度 | 15 degree | 数据手册第 1 页“2cm MeasuringAngle 15 degree Trigger Input Signal 10uS TTL puls”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
用于
2WD 探索机器人 — 作为 测距传感器