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Questions tagged [hc-sr04]

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Not getting reading back from HC-SR04 with PIC18F45k50 MCU

Hello I'm trying to measure the distance with HC-SRO4 ultrasound sensor PIC18F45k50 micro-controller however, I'm not reading any value on the LCD screen. Here is the following code that I have ...
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HC-SR04 Distance Sensor Trigger Signal on 2.5V Voltage level gives no reading

I am using an Arduino on a breadboard setup with an ATMEGA328p MCU. The whole circuit is designed to work in a low-power state and is powered using a 3V (Nominal) voltage Coin Cell. The HC-SR04 is ...