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The sensor works standard with the trig/echo, but it is also possible to modify the sensor by soldering 10kΩ resistors on the places M1 (R2) and M2 (R3). This means that the sensor can also be used with I2C, 1-wire or UART. However, we cannot provide support for this.

Specifications:

• Supply voltage: 2.8 – 5.5V DC
• Signal voltage: 2.8 – 5.5V (same as supply voltage)
• Detection range: 2-450cm
• Current: <2mA
• Resolution: 3mm
• Sensor angle: <15°
• Dimensions: 45 x 20mm