Item

Units

Unit Cost

Subtotal

Total

Coordinator:

Feather 32u4 RFM95 LoRA Radio (RFM9x)

1

$34.95

$34.95

Feather M0 WiFi w/ATWINC1500

1

$34.95

$34.95

2.4 GHz Mini Flexible WiFi antenna with uFL connector

1

$2.50

$2.50

Enclosure

1

$18.50

$18.50

5 V USB port power supply

1

$5.95

$5.95

USB to Micro-USB cable

1

$4.00

$4.00

Feather female header kit (12-pin and 16-pin)

2

$0.95

$1.90

Circuit board (7 × 9 cm)

1

$1.05

$1.05

$103.80

Watermark 200SS End Node:

Feather 32u4 RFM95 LoRA Radio (RFM9x)

1

$34.95

$34.95

Voltage divider circuit for four Watermark sensors

1

$15.29

$15.29

Feather 0.1’’ Pitch Terminal Blocks

1

$5.95

$5.95

Battery (12 V, 7 Amp Sealed Lead Acid Battery)

1

$18.49

$18.49

Solar panel (5-Watt)

1

$19.00

$19.00

Solar charge controller/regulator

1

$10.99

$10.99

5 V Voltage regulator

1

$1.20

$1.20

Enclosure (Plastic, 7 × 12 × 6”)

1

$18.50

$18.50

$124.37

Watermark 200SS sensors

3

$35.00

$105.00

$105.00