Fermion: URM37 Ultrasonic Distance Sensor Breakout (2~800cm, RS232 / UART)
URM37 V5.0 ultrasonic distance sensor with temperature compensation and 2–800cm range. Supports RS232 and UART output; compatible with various microcontroller boards.
URM37 V5.0 ultrasonic distance sensor with temperature compensation and 2–800cm range. Supports RS232 and UART output; compatible with various microcontroller boards.
Power input (3.3V-5.5V)
Ground
Reset
Measured distance presented by the Data Output0-25000US by PWM pulse width,1 CM /50US representative
Servo Control Pin
COMP：On/OFF mode, when the detected distance is smaller than a pre-set value, this pin pulls low./TRIG：PWM mode trigger input
Analog voltage output; the voltage is proportional to the distance
Asynchronous communication module data receiving pin: RS232/TTL level
Asynchronous communication module data receiving pin: RS232/TTL level
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | Official table 2 row 1 | power | Power input (3.3V-5.5V) | |
| GND | Official table 2 row 2 | ground | Ground | |
| NRST | Official table 2 row 3 | digital io | Reset | |
| ECHO | Official table 2 row 4 | digital io | Measured distance presented by the Data Output0-25000US by PWM pulse width,1 CM /50US representative | |
| SERVO | Official table 2 row 5 | pin | Servo Control Pin | |
| COMP/TRIG | Official table 2 row 6 | digital io | COMP：On/OFF mode, when the detected distance is smaller than a pre-set value, this pin pulls low./TRIG：PWM mode trigger input | |
| DAC_OUT | Official table 2 row 7 | analog | Analog voltage output; the voltage is proportional to the distance | |
| RXD | Official table 2 row 8 | power | Asynchronous communication module data receiving pin: RS232/TTL level | |
| TXD | Official table 2 row 9 | power | Asynchronous communication module data receiving pin: RS232/TTL level |
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
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