Product description
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1. The HC-SR04 ultrasonic sensor uses sonar to determine the distance to an object, just like bats do.
2. It offers excellent non-contact range detection with high accuracy and stable readings from 2 cm to 400 cm (1 inch to 13 feet) with an accuracy of 3mm, in an easy-to-use package.
3. Its operation is not affected by sunlight or black material like optical rangefinders are (although acoustically soft materials like cloth can be difficult to detect).
4. The HC-SR04 comes complete with an integrated ultrasonic transmitter and receiver.
Static current: Less than 2mA.
Output signal: Electrical frequency signal, high level 5V, low level 0V
Sensor angle: Not more than 15 degrees
Detection distance: 2cm - 400cm
Input trigger signal: 10us TTL impulse
Echo signal : Output TTL PWL signal
Item size: 44mm * 20mm * 15mm
Trigger (T): Control signal input (10us TTL impulse)
Echo (R): Echo signal output, duration is time from transmit to receive
1*Ultrasonic Sensor Distance Measuring Module/SG90 HC-SR04 Mounting Bracket
🚚Shipping from metro manila . The day you order the same day we will package and sent. It is only take 1 to 2 days to receive order in Manila , 2-5 days to other area
👩🏼💼Professional local customer service team .Easy to talk .Best after-sales service to solve any problems in 10 mins
😘Any problems please chat us kindly , we promise that we will deal it fast and give to you a satisfying result. support refund or other way to compensate you
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