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eolab:products:plant_pot_scale [2024/02/28 14:28] – [Operation] henrik.schoofseolab:products:plant_pot_scale [2024/05/17 11:06] (current) – [First Prototype] henrik.schoofs
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 Goal: Development of Wifi or BLE enabled scale to measure the weight of plant pots for an experiment of Anna-Lea. Goal: Development of Wifi or BLE enabled scale to measure the weight of plant pots for an experiment of Anna-Lea.
  
-===== Range Estimation =====+| {{:eolab:products:img_5570.jpeg?direct&500|}} | 
 +| Anna-Lea's Irrigation Experiment in the Greenhouse on Campus Kleve. | 
 + 
 +===== Weight Range Estimation =====
  
 The intended pot size has $d = 20\, \mathrm{cm}$ diameter and a volume of $V = 7.5\, \mathrm{L}$. The intended pot size has $d = 20\, \mathrm{cm}$ diameter and a volume of $V = 7.5\, \mathrm{L}$.
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-==== First Prototype ====+===== First Prototype =====
  
  
-{{ :eolab:products:img_20240227_145802.jpg?800 |}} +{{ :eolab:products:img_20240227_145802.jpg?600 |}} 
-{{ :eolab:products:img_20240228_135045.jpg?800 |}} +{{ :eolab:products:img_20240228_135045.jpg?600 |}} 
 +{{ :eolab:products:img_20240510_160420.jpg?600 |}}
  
 Hardware: Hardware:
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 |{{ :eolab:products:screenshot_from_2024-02-28_14-14-05.png?800 |}}| |{{ :eolab:products:screenshot_from_2024-02-28_14-14-05.png?800 |}}|
 |Graph over a few days with varying weights| |Graph over a few days with varying weights|
 +In our laboratory with a relative stable temperature the reading fluctuated by around 2 grams.
  
 === Hardware Setup === === Hardware Setup ===
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 === Power Consumption === === Power Consumption ===
  
-Current consumption while measuring and sending is around 80mA for 1.8 seconds: + 
-{{ :eolab:products:screenshot_from_2024-02-28_14-18-35.png?800 | current consumption while measuring and sending}} +|{{ :eolab:products:screenshot_from_2024-02-28_14-18-35.png?800 | current consumption while measuring and sending}}| 
-Current consumption while in deepsleep is around 9µA: +|Current consumption while measuring and sending is around 80mA for 1.8 seconds| 
-{{ :eolab:products:screenshot_from_2024-02-28_14-18-13.png?800 | current consumption while sleeping}}+ 
 +|{{ :eolab:products:screenshot_from_2024-02-28_14-18-13.png?800 | current consumption while sleeping}}
 +|Current consumption while in deepsleep is around 9µA| 
 + 
 + 
 +=== Code === 
 + 
 +[[https://github.com/hschoofs/IoT-Scale]]   
 + 
 +[[https://weather.eolab.de/grafana/public-dashboards/811b59f2dbd74ef4a00d4d77dfb7fc93?orgId=1|Dashboard]] 
 +=== Next Steps === 
 + 
 +  * bigger and water-resistant plates for the scale 
 +  * small pcb (with battery monitoring) and water resistant case for the electronics 
 +  * clean up code
eolab/products/plant_pot_scale.1709126892.txt.gz · Last modified: 2024/02/28 14:28 by henrik.schoofs