Catalogo dimostrativo / Sensori di distanza
Ultrasonic distance sensor HC-SR04
SparkFun · MPN SEN-15569 · versione leggibile dagli agenti
$5.25indicativo · 2026-08-22
Rilevato dai dati strutturati di SparkFun alla data indicata — non è un preventivo. La disponibilità non viene deliberatamente dichiarata.
| SparkFun | $5.25 · 2026-08-22 | pagina prodotto ↗ |
Scheda tecnica corroborata Partsgraph (PDF)documento proprio · compilato dalle fonti elencate sotto
HC-SR04 datasheetsha256 4ebdc3e1f70d…
Specifiche — ogni valore porta la sua ricevuta
Elettrico
| Corrente di lavoro | 15 mA | datasheet p. 1“DC 5 V Working Current 15mA Working Frequency 40Hz Max Rang”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
Prestazioni
| Frequenza a ultrasuoni | 40 kHz | datasheet p. 2“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… |
| Precisione della misura di distanza | 3 mm | pagina del fornitore“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 |
| Ciclo di misura suggerito | 60 ms | datasheet p. 2“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… |
Interfaccia
| Larghezza dell’impulso di trigger | 10 uS | datasheet p. 1“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… |
Meccanica
| Dimensioni | 45*20*15mm | datasheet p. 1“proportion Dimension 45*20*15mm Vcc Trig Echo”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
Generale
| Campo di misura | 2 a 400 cm | datasheet p. 1“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… |
| Tensione di lavoro | 5 V | datasheet p. 1“(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… |
| Angolo di misura | 15 degree | datasheet p. 1“2cm MeasuringAngle 15 degree Trigger Input Signal 10uS TTL puls”https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdfsha256 4ebdc3e1f70d… |
Usato in
Robot esploratore a 2 ruote motrici — come Sensore di distanza