US-100 ultrasonic sensor module temperature compensation Distance Measuring

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US-100 ultrasonic sensor module temperature compensation Distance Measuring Arduino projects Robots NEW

This module is improved, the module itself has temperature compensation, the accuracy of the highest module now clean out treasure, absolute stable, economical, practical
The US-100 features accurate temperature corrected range detection. It can output the distance in millimeters using a serial data output mode. Alternatively, the distance can be calculated by measuring the amount of time that a digital output is held high
20 * 45 mm module circuit 15 mm thick
This module 1, stable performance, measure distance accurate:
Can SRF05 and abroad, such as SRF02 ultrasonic ranging module comparable. Module high precision, blind area (2 cm) super close, stable is the product range to the market success of powerful according to!
Technical parameters:
1) the use of voltage: DC5V
2) the static current: less than 2 mA
3) level output: high 5 V
4) level output: bottom 0 V
5) induction Angle: no more than 15 degrees
6) detection range: 2 cm-450 cm
7) high precision: up to 3 mm
The wiring way:
VCC, trig (control terminals), echo (receiver), GND
Method of use:
A control mouth hair a 10 US above the high level, can wait for high level output receiver mouth. A has an output can open timer time, when the mouth into a low power can be read at ordinary times timer values, where you for the ranging time, can calculate the distance. This will continue the cycle, can reach you move measurement value ~ ~
Module working principle:
(1) the IO trigger ranging, to at least 10 us high level signal;
(2) module automatically send eight 40 KHZ of square wave, automatic testing if it has any signals return;
(3) a signal to return to, through the IO output top level, the duration of the high level is from the launch ultrasonic returned to time. Test distance = (high level time * sound velocity (340 M/S)) / 2;
US-100 ultrasonic ranging module can realize 2 cm ~ 4.5 m non-contact ranging function, with a 2.4 ~ 5.5 V of wide voltage input range, static power consumption less than 2 mA, bring their own temperature sensor calibration on the ranging results, and has GPIO, serial ports and so on many kinds of communication mode, inside take watchdog, stable and reliable.
The main technical parameters
Electrical parameters US-100Ultrasonic ranging module
Working voltage DC 2.4V~5.5V
Static current 2mA
Working temperature -20~+70degrees
Output way Level or UART (jumper cap choice)
Induction Angle Less than 15 degrees
Detection range 2cm-450cm
Detecting precision 0.3cm+1%
UART mode serial interface configuration 9600 baud rate, starting a one, and stop bits a, data bits, eight, and white parity checking, no flow control
Using the US-100 Distance Sensor in Serial Data Mode

Place the shunt on the operating mode selection jumper to choose serial data mode. Attach the module to a serial port on your microcontroller. The Trig/TX pin connects to your microcontroller’s TX serial transmit line. The Echo/RX pin connects to your microcontroller’s RX serial receive line. Set the microcontroller’s serial port to use 9600 baud at 8-N-1 (eight data bits, no parity, one stop bit).

To start measuring the distance, output a 0x55 over the serial port and read back the two byte distance in high byte, low byte format. The distance returned is measured in millimeters. Use the following formula to obtain the distance as millimeters:
•Millimeters = FirstByteRead * 256 + SecondByteRead

This module can also output the temperature when using serial output mode. To read the temperature, output a 0x50 byte over the serial port and read back a single temperature byte. The actual temperature is obtained by using the following formula:
•Celsius = ByteRead – 45

Using the US-100 Sensor in Pulse Width Mode
Select the pulse mode by removing the shunt from the operating mode selection jumper. Connect the Trig/TX pin to a digital output on your microcontroller and the Echo/RX pin to a digital input.
To obtain a distance measurement, set the Trig/TX pin high for at least 50 microseconds then set it low to trigger the measurement. The module will output a high pulse on the Echo/RX line with a width that corresponds to the distance measured. Use your microcontroller to measure the pulse width using microseconds. Use the following formula to calculate the distance:
•Millimeters = PulseWidth * 34 / 100 / 2


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