I will build iot project using arduino, nodemcu esp32, raspberry pi

Sending data from your machine of choice to the cloud involves high level of understanding in embedded system, ultra-low power consumption, electro-mechanical interfacing, sensor technology etc.

I have worked as a professional IoT research engineer and commercially developed many IoT projects including: Industrial machine monitoring, Energy consumption monitoring, weather monitoring etc.

This gig offers complete solution for your IOT projects.

1. Sensor Interfacing: Temperature, humidity, water level, weather sensors, industrial sensors etc.
2. Cloud communication: Thingsboard, Thingspeak, AWS IOT, Google Cloud etc. using MQTT,HTTP, CoAP etc. protocols.
3. IoT Dashboard Design
4. Other Expertise: Python, Node-red, MATLAB, C++, PCB Design etc.
5. Mechanical design for enclosure and mountings.

Please contact me with your detailed requirement.