Reply to "HC-SR04 ultrasonic sensor for outdoor layout block detection"

sjbuffOGR Forum Member DIGITAL SUBSCRIBER

Thanks everyone involved in making the pcb board and components list. Here I thought I found a good solution to eliminate the need of a IR sensor in an outdoor environment, never would I thought this could be a viable solution to substitute the IR153, and the use of this circuit without needing an Arduino is awesome for the average railroad modeler. Hats off to all. 👏👍🚂

2/10/226:25 PM

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