Difference between revisions of "Hardware: Overview"

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An early goal of Hivetool was to develop a $50 scale.   
 
An early goal of Hivetool was to develop a $50 scale.   
−
A developers kit is being planned to  
+
A developers kit is available to  
 
*get beta units in the field for testing,
 
*get beta units in the field for testing,
 
*gather user feedback, and  
 
*gather user feedback, and  
 
*provide a platform to foster open source community development.   
 
*provide a platform to foster open source community development.   
  
−
It will be available at cost plus a voluntary contribution to the Center for Honeybee Research, a 501(c)(3) organization, to help cover R&D expenses. The kit will contain the hard to find or special order items from China:
+
It is available at cost plus a voluntary contribution to the Center for Honeybee Research, a 501(c)(3) organization, to help cover R&D expenses. The kit currently contains the hard to find or special order items from China:
  
 
#four 50 kg Class C3 load cells
 
#four 50 kg Class C3 load cells
−
#one HX711 ADC board with shield and screw terminals attached
+
#one HX711 ADC board (soldering required)
−
#one GPIO to HX711 cable
 
−
#one TTL to USB serial converter cable
 
  
−
The rest of the materials can be obtained from local suppliers.  Only common tools are needed for construction, hack saw, drill, center punch, wrenches, screw drivers.  All of the electronic connections either plug in or use screw terminals.  There is no soldering, no lethal voltages.
+
The rest of the materials can be obtained from local suppliers.  Only common tools are needed for construction, hack saw, drill, center punch, wrenches, screw drivers, soldering iron.
  
 
*Sensors:
 
*Sensors:
Line 34: Line 32:
  
 
[[Media:Chesick scale costs.pdf|'''Parts List''']]
 
[[Media:Chesick scale costs.pdf|'''Parts List''']]
 +
 +
[http://hivetool.org/dev_kit_order.pl Dev Kit Order Form]
  
 
[[Assembly Manual|'''Assembly Manual''']]
 
[[Assembly Manual|'''Assembly Manual''']]

Revision as of 03:55, 16 July 2015

Finished rails (load cell mounts). Two go under the hive, one on each side.
Pi and USB Hub installed in a Polycase NEMA enclosure.
HX711 with screw terminals and metal shield installed connected to P5 on the Pi. P5 is no longer used as it was dropped from the + models.

An early goal of Hivetool was to develop a $50 scale. A developers kit is available to

  • get beta units in the field for testing,
  • gather user feedback, and
  • provide a platform to foster open source community development.

It is available at cost plus a voluntary contribution to the Center for Honeybee Research, a 501(c)(3) organization, to help cover R&D expenses. The kit currently contains the hard to find or special order items from China:

  1. four 50 kg Class C3 load cells
  2. one HX711 ADC board (soldering required)

The rest of the materials can be obtained from local suppliers. Only common tools are needed for construction, hack saw, drill, center punch, wrenches, screw drivers, soldering iron.

  • Sensors:
    • Weight
    • Temperature
    • Humidity
    • Lumens
    • Rain Gage
  • Raspberry Pi Model A+ - Lots of software, hardware and support.
    • Video Camera
  • Wi-Fi - Easy to install, eliminates risk of lightning damage to router.
  • Low power. Can be operated from:
    • AC Adapter
    • USB port
    • Solar Panel/Battery
  • Runs Hivetool Software Suite

Parts List

Dev Kit Order Form

Assembly Manual

Software

GPIO Pinout

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