Description
The SRF04 ultrasonic sensor from Robot Electronics is widely used for microcontroller and SBC platforms such as Arduino, ARM, PIC, Raspberry Pi, etc. The sensor stands out for its small size, low power consumption and high accuracy.
The SRF04 is as easy to use as the Polaroid sonar: it requires a short trigger pulse and delivers an echo pulse. Your controller only needs to measure the length of this pulse to determine the range. The connections to the SRF04 are shown below:
Specifications:
- Voltage: 5V
- Current: 30mA - 50mA max
- Frequency: 40 KHz
- Range: 3 cm - 3 m
- Sensitivity: detects a 3 cm diameter object at > 2 m
- Input trigger: 10µS min. TTL-level pulse
- Echo pulse: positive TTL-level signal whose width is proportional to the object range.
- Dimensions: 43 mm x 20 mm x 17 mm
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Additional information
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Country of origin:
This depends on where you are located. Once the order has been handed over to UPS, the delivery time in Germany is approx. 2-3 days, within Europe approx. 1 week.
We dispatch our articles with our shipping partner UPS.
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