MOIST MeshOperated Irrigation Sensor Technology Gabriel Santos Ahmed
MOIST (Mesh-Operated Irrigation Sensor Technology) Gabriel Santos Ahmed Hamdy Elange Pierre
Problem Statement P!CANTO by Multipurpose Template Hi. Slide. io -Excessive watering -Costs -Damages Lawn
Goals & Main Objectives • Monitoring moisture to reduce water waste • Solar-powered • Weather-resistant • Reliable network • User-friendly interface P!CANTO by Multipurpose Template Hi. Slide. io
Specifications • • • Nodes consume < 10 W Wireless range > 5 m 30 X 20 sqft area Hourly status updates 5% moisture reading accuracy • 5: 1 child-to-parent network P!CANTO by Multipurpose Template Hi. Slide. io
System Diagram P!CANTO by Multipurpose Template Hi. Slide. io Node Block Diagram Gateway Block Diagram
Node Circuit Schematic P!CANTO by Multipurpose Template Hi. Slide. io
Soil Moisture Detector P!CANTO by Multipurpose Template Hi. Slide. io VH 400 -Accuracy: 2% -Impedance: 10 kΩ -Power Consumption: 13 m. A -Supply Voltage: 3. 5 – 20 V
Temperature/Humidity Sensor -Temperature Reading: 40 – 80 °C -Operating Voltage: 5 V -Max Current: 2. 5 m. A P!CANTO by Multipurpose Template Hi. Slide. io DHT 22
P!CANTO by Multipurpose Template Hi. Slide. io
RF Module -2. 4 GHz -15 mm X 29 mm -256 kbps – 2 Mbps -1. 9 to 3. 6 V -Up to 100 m -Free License -2. 4 GHz -28 mm x 24 mm -250 kbps -2. 8 to 3. 4 V -Up to 90 m -Proprietary P!CANTO by Multipurpose Template Hi. Slide. io XBee n. RF 24 L 01
P!CANTO by Multipurpose Template Hi. Slide. io
Microcontroller -Frequency: 16 MHz -Program Memory Size: 32 k. B -Data Ram Size: 2 k. B -Charge Current: 10 – 250 m. A ATmega 328 P-AU
P!CANTO by Multipurpose Template Hi. Slide. io
Solar Panel -Power: 5 W -Vop: 17. 9 V -Iop: 0. 28 A -10 X 7. 6 X 0. 6 in P!CANTO by Multipurpose Template Hi. Slide. io ECOWORTHY
Charge Controller -Input Voltage: 1. 2 V – 60 V -Charge Current: 10 m. A – 250 m. A P!CANTO by Multipurpose Template Hi. Slide. io LTC 4079
Battery -Supply Voltage: 7. 4 V -Charge Capacity: 2200 m. AH 18650 Li-Ion P!CANTO by Multipurpose Template Hi. Slide. io
Voltage Regulator -Input Voltage Range: 7 – 20 V -Output Voltage: 3. 3 V, 5 V -Max Current: 800 m. A P!CANTO by Multipurpose Template Hi. Slide. io LM 1117
P!CANTO by Multipurpose Template Hi. Slide. io
PCB Design
Embedded Server -1 GB RAM -8 GB micro. SD Storage -1. 2 GHz -802. 11 n Wi-Fi -40 GPIO pins Raspberry Pi 3 B
Gateway Shield Schematic P!CANTO by Multipurpose Template Hi. Slide. io
Network Topology Mesh Network P!CANTO by Multipurpose Template Hi. Slide. io Star Network
Node Firmware Flowchart P!CANTO by Multipurpose Template Hi. Slide. io
Gateway Firmware Chart P!CANTO by Multipurpose Template Hi. Slide. io
Web Application PHP • UI • Status • Commands P!CANTO by Multipurpose Template Hi. Slide. io
User Interface P!CANTO by Multipurpose Template Hi. Slide. io
Web-App Flowchart P!CANTO by Multipurpose Template Hi. Slide. io
Prototype Progress • Mesh network setup • Sensor testing • Database setup P!CANTO by Multipurpose Template Hi. Slide. io
Enclosure Design • Durability • Water resistant • 3 D-printed prototype P!CANTO by Multipurpose Template Hi. Slide. io
Bill of Materials P!CANTO by Multipurpose Template Hi. Slide. io
Progress Chart Research Design Parts Acquisition Software Testing Overall P!CANTO by Multipurpose Template Hi. Slide. io 0% 20% 40% 60% 80% 100%
Immediate Future Plans • • • P!CANTO by Multipurpose Template Hi. Slide. io Mesh network PCB assembly Database Web Application Enclosure
Questions? P!CANTO by Multipurpose Template Hi. Slide. io
- Slides: 33