Cheap modular wireless sensor node

NRF24L01, ATMega328 Arduino Pro Mini, AA battery 5V Boost, MPU6050 GY-521

Roy Berkeveld

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Components sourced from Ebay. Total component cost for 10 units is less than 5 USD each (excluding MPU6050, which is 4 USD). Just tie RF24 library and I2CDev's MPU6050 library together with a simple message protocol to do command and control. Source code on request, as it's going to be refined for other projects. Estimated 10h battery life.

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chauvoluuhuong wrote 03/27/2015 at 07:15

great!! can you give me link to buy it ???

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Roy Berkeveld wrote 04/02/2015 at 12:50

Sorry, not a complete product. Search Ebay for component names and you can make your own! I'll gladly send you my crappy code when you do. I'm currently more focussed on solutions with ESP8266 that recharge from solar.

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chauvoluuhuong wrote 04/03/2015 at 01:17

ohhhh , yeahhh . recently , i am coding about MP6505 using atxmega . i will very please if can learn form you

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Roy Berkeveld wrote 07/15/2014 at 09:17

It's a building block for more wireless sensors. I'm trying to come up with a general framework for these kind of sensor nodes. Going to make them more energy efficient too. The primary goal is low-cost and modularity so that it's hacker-friendly.

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José Moreira wrote 07/15/2014 at 09:10

Can you please specify? Seems interesting...

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Roy Berkeveld wrote 07/15/2014 at 09:23

What would you like to know about it?

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davedarko wrote 07/15/2014 at 09:04

So what are you doing with it?

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Roy Berkeveld wrote 07/15/2014 at 09:24

I'm going to make an army of these and work on smart homes. Datalogging seems a primary category of this specific node. The current sensor is easily swapped out for something else.

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