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- 21 Jul 2018, 18:55
- Forum: Experimental
- Topic: HC-SR04 distance sensor in Mega firmwares: possible bug
- Replies: 2
- Views: 11101
HC-SR04 distance sensor in Mega firmwares: possible bug
Hi, I would like to share my experience: I tried to make an HC-SR04 ultrasonic distance sensor work on a NodeMCU V3 in both firmwares "ESPEasy_mega-20180625" and "ESPEasy_mega-20180720" but I couldn't get it to work. My wiring is done as shown on the Wiki: trigger to GPIO-13 and ...