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GY-US42 is a high-quality rangefinder sensor module. Working voltage 3-5V, power consumption, small size, easy installation.
Its working principle is: the probe emits ultrasonic waves, after being irradiated to the measured object, the probe receives and returns the acoustic wave, and utilizes the time difference to calculate the actual distance..
Module has 3 ways to read data: Serial UART (TTL level), IIC, pulse PWM mode..
The serial port baud rate 9600bps and 115200bps, configurable, continuous, ask for the output of two ways. Power-save settings..
IIC can modify the internal address to facilitate an IIC bus to connect multiple modules at the same time. Pulse PWM output, same as SR04. Module can adapt to different working environment, direct link with the microcontroller.
Connect the computer when you need USB to TTL module, direct connection. IIC mode can be direct, APM, Pixhawk and other flight control links..
Provide aroduino, 51, stm32 microcontroller communication procedures. Does not provide schematics and internal microcontroller source.
As a result of sending and receiving integrated ultrasonic probe, ranging blind range of about 20cm, ranging within 20cm is invalid..
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Technical Parameters
Measuring range: 20cm ~ 720cm (VCC = 5V)
Resolution: 1cm
Response frequency: 15HZ (full range)
Working voltage: 3-5V
Working current: 9mA (VCC = 5V)
Operating temperature: -20 degrees Celsius ~ 65 degrees Celsius
Storage temperature: -40 degrees Celsius to 85 degrees Celsius
Size: 21.5 * 21 * 24.5mm
Weight: 5g
Package include：
1* HiLetgo GY-US42 Flight Control Ultrasonic Ranging Module
Customer
2025-09-05 12:36:36
I think I got a bad one. I returned it.
Daniele
2025-08-01 20:52:06
Sensore molto bello, funziona perfettamente ed ha un range veramente notevole, soprattutto se comparato con il più comune HC-SR04.Collegato ad Arduino ha funzionato immediatamente senza alcun problema.Consigliato
Laurent L
2025-07-01 12:28:29
Capteur ultrason de petite taille, qui permet de réduire un peu la taille de mon projet, la precision est bonneet l'utilisation est simple.Il peut etre utilisé avec plusieurs modes de communication, personnellement je l'utilise avec une connection i2c.Connection i2c:Vcc -> VccGnd -> GndCr -> SclDt -> Sda
Jc
2024-11-12 09:35:36
Ne fonctionne pas.
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