This 3-wire Ultrasonic sensor works very well with the EZ-Builder Ultrasonic control. It saves the need for a fourth wire that most Ultrasonic sensors require.
Documentation: Schematic PDF, Datasheet PDF, BOM
Hardware: Altium PCB design File, Altium SCH Design File, Gerbers
Firmware: Code, Compiled Hex
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Please see LICENSE.md for license details.