PcB to build ultrasound alarm nodes with NodeMCU & HC-SR04Designed by ElectronicTricks in France
This is an IoT alarm node with an ultrasound HC-SR04 and ESP8266 NodeMCU. It has been designed to create mouvement detectors, presence sensors as a node with the fonction to send to a server or call …Read More…
This is an IoT alarm node with an ultrasound HC-SR04 and ESP8266 NodeMCU.
It has been designed to create mouvement detectors, presence sensors as a node with the fonction to send to a server or call a url with GET parameters (save data, start a php script, start a voice synthesis.)
You can combine multiple nodes to create a wifi security system.
2 extra GPIOs are available. 1 analogic port is also available. There is an OLED display and 3 buttons.
PcB only. You need to add a HC-SR04 and a nodeMCU 1 0
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