1

The custom 3D printed case houses the ZeMo hardware.

OSH Park

1

$11.65

This board houses the EZO™ circuit boards and the BNC connectors. We recommend 2oz copper for best results.

Atlas Scientific #EZO-pH

1

$38.00

This converts the reads of the pH probe into a form that the Raspberry Pi can read.

Atlas Scientific #ENV-40-pH

1

$72.00

This probe collects the pH data and connects to the female BNC connector on the pH circuit.

Atlas Scientific #chem-pH-7

1

$9.00

This is a pH standard used for calibration.

Atlas Scientific #chem-pH-4

1

$9.00

Optional.

This is a pH standard used for calibration. It is only necessary for 2 and 3 point pH calibrations.

Atlas Scientific #chem-pH-10

1

$9.00

Optional.

This is a pH standard used for calibration. It is only necessary for 3 point pH calibrations.

Atlas Scientific #EZO-DO

1

$44.00

This converts the reads of the pH probe into a form that the Raspberry Pi can read.

Atlas Scientific #ENV-40-DO

1

$198.00

This probe collects the pH data and connects to the female BNC connector on the pH circuit.

Atlas Scientific #chem-DO

1

$18.00

This solution is used for calibrating the dissolved oxygen probe.

Atlas Scientific #EZO-EC

1

$58.00

This converts the reads of the conductivity probe into a form that the Raspberry Pi can read.

Atlas Scientific #ENV-40-EC-K1.0

1

$126.00

This probe collects the pH data and connects to the female BNC connector on the pH circuit.

Atlas Scientific #chem-EC-1.0

1

$11.00

This solution is used for calibrating the dissolved oxygen probe.

Atlas Scientific #BE-IVI

2

$24.00

This isolates the incoming signal from the probes, preventing crosstalk between probes.

Digikey #WM5514-ND

4

$2.15

This isolates the incoming signal from the probes, preventing crosstalk between probes.

Adafruit #3708

1

$14.00

This is the mini computer that combines all the reads and sends them to our server via a WiFi connection.

Adafruit #2298

1

$34.95

This display connects to the Raspberry Pi, allowing users to view reads locally, calibrate meters, and adjust settings.

Adafruit #102

1

$7.95

This stores the operating system for ZeMo on the Raspberry Pi.

Male to Female Jumper Wires

Adafruit #3633

1

$2.95

These are used to connect the ZeMo circuit board to the Raspberry Pi.

Jumper Wire Housing

Adafruit #3143

1

$1.95

This allows the jumper wires to connect to the circuit board.

Adafruit #2336

3

$2.25

These secure and support the screen and Raspberry Pi.

Adafruit #2185

1

$4.95

This cable connects the Raspberry Pi to the power supply and allows users to easily connect to the Pi after assembly to update software or troubleshoot issues.

Adafruit #1994

1

$6.95

This provides the power for the Raspberry Pi.

Adafruit #3685

1

$19.95

Some basic soldering is necessary for the hardware assembly..

Adafruit #1886

1

$5.95

Some basic soldering is necessary for the hardware assembly.

Adafruit #64

1

$5.00

A breadboard is optional, but may be helpful for setting the EZO™ circuits.

Electrical tape can be used to insulate the jumper wires.