Universal MQTT wireless sensor based on ESP-01


Temperature, humidity and light sensor in one simple package for almost no money!

 


 

Links to buy the stuff

ESP01 and programmer https://ebay.to/2IvlzFA
GY49 Light sensor module I2C https://ebay.to/336Z6Xi
SHT21 Temperature Sensor I2C https://ebay.to/2Opqc89
3.3VDC Step down module https://ebay.to/2LS1rQi
Flexible silicone wires https://ebay.to/2olbZOM

Ferrules and tools https://ebay.to/35h9w8C
Crimper and snipper tool https://ebay.to/35hCsNN

 

For build information watch the video 🙂

 

The node-red flow

[{“id”:”f12d27ba.d37598″,”type”:”mqtt in”,”z”:”83b320c3.16d76″,”name”:””,”topic”:”sensor/ESP_Vind/temperature”,”qos”:”2″,”broker”:”8605b863.295d48″,”x”:320,”y”:1100,”wires”:[[“8ad20347.a489a”]]},{“id”:”d8689dbf.86ae”,”type”:”mqtt in”,”z”:”83b320c3.16d76″,”name”:””,”topic”:”sensor/ESP_Vind/humidity”,”qos”:”2″,”broker”:”8605b863.295d48″,”x”:310,”y”:1140,”wires”:[[“17ce708b.d1bf9f”]]},{“id”:”8ad20347.a489a”,”type”:”ui_text”,”z”:”83b320c3.16d76″,”group”:”2f617442.2ee91c”,”order”:1,”width”:0,”height”:0,”name”:””,”label”:”Vind Temp”,”format”:”{{msg.payload}}”,”layout”:”row-spread”,”x”:630,”y”:1100,”wires”:[]},{“id”:”17ce708b.d1bf9f”,”type”:”ui_text”,”z”:”83b320c3.16d76″,”group”:”2f617442.2ee91c”,”order”:2,”width”:0,”height”:0,”name”:””,”label”:”Vind Humidit”,”format”:”{{msg.payload}}”,”layout”:”row-spread”,”x”:670,”y”:1140,”wires”:[]},{“id”:”9e5d8806.e50cf8″,”type”:”mqtt in”,”z”:”83b320c3.16d76″,”name”:””,”topic”:”sensor/ESP_Vind/lux”,”qos”:”2″,”broker”:”8605b863.295d48″,”x”:300,”y”:1180,”wires”:[[“5a73a7a8.65c3d8”]]},{“id”:”5a73a7a8.65c3d8″,”type”:”ui_text”,”z”:”83b320c3.16d76″,”group”:”2f617442.2ee91c”,”order”:2,”width”:0,”height”:0,”name”:””,”label”:”VindLux”,”format”:”{{msg.payload}}”,”layout”:”row-spread”,”x”:680,”y”:1180,”wires”:[]},{“id”:”8605b863.295d48″,”type”:”mqtt-broker”,”z”:””,”name”:”localhost”,”broker”:”localhost”,”port”:”1883″,”clientid”:””,”usetls”:false,”compatmode”:true,”keepalive”:”60″,”cleansession”:true,”birthTopic”:””,”birthQos”:”0″,”birthPayload”:””,”closeTopic”:””,”closeQos”:”0″,”closePayload”:””,”willTopic”:””,”willQos”:”0″,”willPayload”:””},{“id”:”2f617442.2ee91c”,”type”:”ui_group”,”z”:””,”name”:”Test2″,”tab”:”3cc82490.8bbfbc”,”disp”:true,”width”:”6″,”collapse”:false},{“id”:”3cc82490.8bbfbc”,”type”:”ui_tab”,”z”:””,”name”:”AirQ”,”icon”:”dashboard”,”order”:2,”disabled”:false,”hidden”:false}]

Liked it? Take a second to support daromer on Patreon!