AirBorn Designers of Microprocessor Electronics

Fridge controller board

  • Samples signals from Battery, mains and Fan and slightly moves temperature setpoint

  • Makes Fridge system cooler on Mains than battery, using Shore power vs battery

  • Simple installation parallels operation relays and probes

Fridge controller board
Client
Design is public domain
Design is public domain
Project (Short name: ecox4)
Fridge controller board
Project Status
Design work Complete
PCB Number
AB0902615
Version Date
9 May 2010

Circuit Diagram

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Circuit diagram

Bill of materials

Parts list and notes

Fridge controller board Bill Of Materials

PCB design


PCB size H WH x W
Metric58.4mm78.7mm4600mm2
Inches2.300in3.100in7.13in2
Corner
holes		50.8mm71.1mm
Diameter of holes: 3.5mm
Total
holes		1043 sizes >=0.81mm
PCB overlay image
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Documentation package

Fridge controller board Documentation (PDF)
Design Copyright

  (may be assigned)

©9 May 2010 AirBorn Electronics Pty Ltd

©2025 AirBorn - Last updated 22 September 2025

Background Image Credit: Dark Clouds of the Carina Nebula: NASA, ESA, et al., & Hubble Heritage Team (STScI/AURA); Acknowledgement: M. Livio (STScI) & N. Smith (UC Berkeley)