The JeremFuge has several parts that can be built independently : the electronic part (involving welds and electrical connecting), the computer programming (Arduino) and the development of the box.

It is recommended to start with the electronic part or computer programming because they require most of the work and the structure of the box relies on your connections.

• Electronic part : Here is a pattern of the electrical connecting :

• Arduino program: User choices the RPM and the TIME thanks to two buttons, the first to select between RPM and TIME, the second one to increase or decrease the value. These values are printed on the LCD screen so the user can control it at any time. Then, once he has set correctly his values, he can launch the centrifuge.

• Box preparation : The box must contain all the components and allow a modularity. It also must take into account the power supply warming and the vibration of the centrifuge.

The files for 3D printing the tube holder are available in the link in the Details section.

The files for laser cutting the boxes are in the Files section.

Here below are all the connections for the JeremFuge. We describe them cable per cable with each time the beginning and the end of the cable.

The breadboard is welded on the Arduino Uno.

Connections Breadboard : Arduino Uno

A : Digital

A2 to A7 : 2 to 7 (3, 5 and 6 are ~)

A9 to A14 : 8 to 13 (9 to 11 are ~)

T : Analog

T3 : A0

T8 : Gnd

T10 : 5V

Cables

Each pair represents a cable (or resistance) with beginning and end (if resistance, in the sense of the resistance)

Code

[letter] + [integer] = position on breadboard

LCD + [string] = position on LCD

R/M/L + [string] = right, middle or left of component (when holding it up and facing all the cables)

+/Gnd = positive or ground

Button1 = settings

Button2 = start

Resistance1 = 473K ohm

Resistance2 = 11K ohm

Are welded together : X6 to X18, H1 to O1, J6 to L6, H5 to H7, N6 and N7, A1 and A2

Connections

A2 – LCDD7

A3 – LCDD6

A4 – LCDD5

A5 - LCDD4

A6 – H6

A7 – K6

A9 – Button1

A10 – ESC+

A12 – LCDE

A13 – LCDRS

A14 – Button2

J1 – LCDVSS

H6 – RRotaryEncoder

K1 – LCDK

K6 – MRotaryEncoder

L1 – LPotentiometer

M1 – ESCGnd

M1 – LCDRW

N6 – Button2Gnd

O1 – T8

S01 – Button1Gnd

T05 – MPotentiometer

X7 – LCDA

X8 – Button1+

X10 – T10

X13 – Button2+

X14 – RPotentiometer

X16 – LRotaryEncoder

X17 – LCDVDD

MPotentiometer – LCDV0

H6 – H1 (Resistance1)

K6 – I1 (Resistance1)

N1 – N6 (Resistance1)

S1 – 01 (Resistance2)