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Central Hub
The Central Hub is the centre of the Star Network and is one of the most important nodes in the network, as it is responsible for collecting all the data from across the network and sending the data via GSM (Global System for Mobile Communication) Module to the internet to a central database for future analysis.
The Electronics
The Central Hub has the following Electronics enclosed in a waterproof enclosure from Schnider Electrics and mounted on a 3mm Waterjet cut Aluminium frame, all electrics are mounted on 3D printed PLA metrial and all electronics are commercially available off the shelf components.
Top Mounting Plate
  1. Neon Green PLA+ 3D Printed Elecronics Mounting Plate.
  2. Lilygo A7608SA-H ESP32 with built-in GSM Module and Built-in Micro SD Card Module.
  3. 3v Single Channel Relay Module
  4. GY-NEO6MV2 New NEO-6M GPS Module
  5. HC-12 SI4438 wireless microcontroller serial, 433 long-range Module
  6. KY-006 Active Passive Buzzer Module
  7. CD74HC4067 2-6V 16-Channel Analog Digital Multiplexer
Middle Mounting Plate
  1. Neon Green PLA+ 3D Printed Elecronics Mounting Plate.
  2. 1x 18650 Power Bank Cases 2 18650 Battery Holder gibing 7.4v to the ESP32
  3. 1x 18650 Power Bank Cases 1 18650 Battery Holder gibing 3.6v to the ESP32 when in Deep Sleep Mode
  4. 1x 18650 Power Bank Cases 2 18650 Battery Holder gibing 7.4v to the Sensors
  5. 5x 18650 3.6v 3500mAh Batteries
  6. 5v 4 Channel Relay Module.
Bottom Mounting Plate
  1. Neon Green PLA+ 3D Printed Elecronics Mounting Plate.
  2. CAJOE v1.0.0 Radiaiton Geiger Counter using J305 Geiger Muller Tube
  3. 5x Voltage Detection Module
  4. 9v Battery Holder
  5. 9v Battery
  6. 1x Power Management Circuit Board
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Contact Details
University Details:
Mark Rhodes (S1211024),
C/O: Professor Shujun Zhang,
University of Gloucestershire,
The Park,
Cheltenham,
Gloucestershire,
United Kingdom,
GL50 2RH
Contact Details
Home Details:
Mark Rhodes (S1211024),
UOG PhD Field Research Project,
31 Campion Way,
Willstock Village,
Bridgwater,
Somerset,
TA5 2EZ
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