Below, we provide a comprehensive list of the hardware needed to build Grape. A short description of each component or tools is provided. Moreover, you will find a link to the web page were we ordered it. This information, as well as the price per unit, is only shown as a reference. Finally, component's names are written in a mixture of English and French. It shouldn't be complicated to find a particular component using the information on this list.

Components for the screen

The PCB model can be downloaded as a Gerber File. You must solder the following components:

Name Quantity Manufacturer Manufacturer Ref Unit Price Farnell Ref
LCD 1 MIDAS MC21605H6WK-BNMLW 11.06 € 2425712
Button 1 BOURNS PEC11R-4215F-S0024 1.79 € 2474844
I/O Expander 1 TEXAS INSTRUMENTS PCA9535PWR 2.61 € 1703442
Wire to Board Connector 1 AMPHENOL T821110A1S100CEU 0.546 € 2215304
Pin Header 1 SAMTEC TLW-116-05-G-S 2.65 € 1668510
LED 2 BROADCOM LIMITED HSMY-C190 0.0973 € 2497355
Resistor 2k 4 MULTICOMP MCWR08X2001FTL 0.0064 € 2447622
Capa 1uF 1 MULTICOMP MC0805F105Z500CT 0.0292 € 1759432
Capa 100nF 1 MULTICOMP MC0805B104K160CT 0.0243 € 1759143
Connecteur fil-a-carte, Série T812, IDC / IDT, Embase, 10, 2.54 mm, Contacts plaqués 2 Amphenol T812110A100CEU 0.45 € 2215232
Câble nappe, Conducteur rond plat, 10 Core, 28 AWG, 0.072 mm², 1.27 mm 1 3M 3365-10 1.38 € 297288

Components for the Stack

The PCB model can be downloaded as a Gerber File. You must solder the following components:

Name Label in PCB Quantity Manufacturer Unit Price Farnell Ref
Capa 47uF/50V C1 2 MULTICOMP 0.0801 € 1902931
Capa 100uF/50V C5 1 MULTICOMP 0.1587 € 1902932
Schottky Rectifier (5V) D1 2 STMICROELECTRONICS 0.178 € 1697512
Schottky Rectifier (12V) D2 1 STMICROELECTRONICS 0.206 € 2341584
Capa 330uF/16V C3 4 MULTICOMP 0.0744 € 9451102
Capa 1uF C7 4 MULTICOMP 0.0292 € 1759432
Capa 100nF C8 4 MULTICOMP 0.0243 € 1759143
€
Relay Re 6 IMO PRECISION CONTROLS 1.915 € 1094008
Diode Standard diode symbol 7 FAIRCHILD SEMICONDUCTOR 0.0523 € 1700871
Transistors Beside each Re 6 FAIRCHILD SEMICONDUCTOR 0.279 € 2283624
Micro USB P1-P6. Other side of the board 6 HIROSE 1.4 € 2554967
€
Capa 0.01uF C6 2 MULTICOMP 0.203 € 1216435
Capa 470pF C2 2 AVX 0.472 € 1100510
Shunt Jumper on top of on/off/a{012}/sda/scl 6 MULTICOMP 0.1054 € 2396301
I/O expander 8bits PCF8574AN 1 TEXAS INSTRUMENTS 1 € 1703443
Board-To-Board Connector on/off/gnd/rx/tx/a{012}/sda/scl 8 MOLEX 0.148 € 9731083
Power Connector PWR IN/OUTPUT 2 CLIFF ELECTRONIC COMPONENTS 0.99 € 224959
Screw terminal PWR IN/OUTPUT 2 ? 0.99 € ?
Wire to Board Connector 2 AMPHENOL 0.546 € 2215304
€
Inductor 330uH I2 1 WURTH ELEKTRONIK 1.55 € 2493162
Inductor 22uH I1 1 COILCRAFT 1.63 € 2526937
€
Heat Sink * Attached to each SR 3 AAVID THERMALLOY 0.322 € 1703172
Switching Regulator (12V/1A) SR1 1 TEXAS INSTRUMENTS 2.54 € 9488073
Switching Regulator (5V/5A) SR2 2 TEXAS INSTRUMENTS 3.72 € 2492170
Resistor 5.6k R3 2 WELWYN 0.0128 € 1100319
Switching Regulator (5V/5A) SR2 2 TEXAS INSTRUMENTS 5.57 € 2492170
€
Temperature Sensor * Max7500 1 MAXIM INTEGRATED PRODUCTS 2.03 € 2515642
Resistor 5.6k R2 5 WELWYN 0.0128 € 1100319
Power Monitor * PWR Monitor 1 TEXAS INSTRUMENTS 2.45 € 2496402
Shunt resistor * SR3 1 VISHAY 1.81 € 1108073
Board-To-Board Connector (GPIO) GPIO Master 1 HARWIN 3.58 € 1569232
Switching Regulator (5V/5A) SR2 1 TEXAS INSTRUMENTS 5.13 € 2492170
Micro USB P1-P6. Other side of the board 6 HIROSE 1.4 € 2554967
Relay Re 6 IMO PRECISION CONTROLS 1.915 € 1094008
LED L 2 BROADCOM LIMITED 0.0973 € 2497355
Resistor 2k R1 2 MULTICOMP 0.0064 € 2447622
USB Connector 1 Metz Connect 1.22 € 2442536
Pin Header 1 HARWIN € 1022237
€
Jump-Wires To connect each Pi 6 Bud-Industries € 563-BC-32673
Network Switch 1 22.9 € 2908341 GS608-400PES

Other components

The component in this section are used to bridge two (or more) stacks and to connect the salves to the Network switch.

Electronic

  • Connecteur fil-a-carte, Série T812, IDC / IDT, Embase, 10, 2.54 mm, Contacts plaqués (External Link)

    Image Info
    Drawing
    • Shop: FARNELL France SAS
    • Reference: T812110A100CEU
    • Price per Unit: 0.17 euros
    • Quantity: 120

  • Câble nappe, Conducteur rond plat, 10 Core, 28 AWG, 0.072 mm², 1.27 mm (External Link)

    Image Info
    Drawing
    • Shop: FARNELL France SAS
    • Reference: 297288
    • Price per Unit: 1.38 euros
    • Quantity: 15

  • Câble réseau, Cat5e, RJ45 mâle, Fiche RJ45, 0.98 ft, 300 mm, Vert, 2965 Patch Cable Series (External Link)

    Image Info
    Drawing
    • Shop: FARNELL France SAS
    • Reference: 1526185
    • Price per Unit: euros
    • Quantity: 15-30cm per PI

We strongly suggest you to buy a complete a complete reel of “Câble nappe” and plenty of “Connecteur fil-a-carte”. They are cheap, quite useful and you don’t always know how many you will need because making the cables is error prone.

Materials for the case

Name Picture
Back of the Case
Front of the Case
Back glass of the Case
Bottom glass of the Case
Front glass of the Case
Left glass of the Case
Right glass of the Case
Top glass of the Case

Tools and software

The items in this category are not mandatory – just sort of handy. We list them here in order to provide a complete reference.

Electronic

  • Network Adaptor DIGITUS Gigabit Ethernet USB 3.0 (External Link)

    Image Info
    Drawing
    • Shop: Conrad
    • Reference: 994163
    • Price per Unit: 24.16 euros
    • Quantity: 1

Tools

  • Pince clé pour technique de serrage (External Link)

    Image Info
    Drawing
    • Shop: Conrad
    • Reference: 807796
    • Price per Unit: 22.49 euros
    • Quantity: 1

  • IP67 Industrial Digital Multimeter (External Link)

    Image Info
    Drawing
    • Shop: FARNELL France SAS
    • Reference: P06231412
    • Price per Unit: 117.6 euros
    • Quantity: 1

  • ERSA I-CON PICO STATION DE SOUDAGE (External Link)

    Image Info
    Drawing
    • Shop: FARNELL France SAS
    • Reference: 2057377
    • Price per Unit: 112.03 euros
    • Quantity: 1

Software