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Required Parts For Assembly
The following page is a guide on which parts are required to assemble the Hive hardware.
Hive can have 1-8 Target Stack Shields. It is entirely up to the user to decide on how many they'd like to use. It is recommended to plan how many Daughterboards will be used in that specific assembly and use the according amount of Target Stack Shields. Generally it is recommended to use at least 4 Daughterboards & Target Stack Shields. This configuration can test four combinations of targets and probes simultaneously, which is the maximal processing capacity of the testrack.
The following PCB need to be ordered:
Clone the repository and open the respective KiCad Layout files to create the gerber files. Please follow the recommendations of the manufacturer in terms of required settings etc. Make sure you order the correct PCB thicknesses: Target Stack Shield & Probe Stack Shield: 1.6mm, Daughterboards: 0.8mm
The required parts for each PCB can be obtained from the Octopart partlists linked below. The designated amounts are per PCB, so please make sure you order the correct multiples according to the amount of PCBs you want to assemble:
Some parts can be altered or used from different manufacturers as long as certain conditions are met. Please refer to the Description column of the partlists to learn more.
For the required parts of each Daughterboard please refer to their respective readme files.
Apart from the components for the PCBs you need the following hardware:
- Raspberry Pi 4B
- SD Card (min 8GB) for Raspberry Pi
- 5V USB-C Power Supply for Raspberry Pi / Hive (Output Current of 5A is recommended)
The following mechanical parts are required for the assembly
- 4 + 4x per Target Stack Shield: 16mm Standoff M2.5 (Product for reference)
- 6x Screw M2.5x5mm
- 10x M2.5 hex nut
You can mount the Daughterboard to the Target Stack Shield by either using screws or magnets. Using magnets is recommended, as it lets you swap Daughterboards without having to disassemble the rack:
Screws:
- 1x Screw M2.5x8
- 1x M2.5 hex nut
- 1x M2.5 2.5mm spacer
per Target Stack Shield
Magnets:
- 1x per Target Stack Shield: Discmagnet height: 2.5-3mm diameter: 5-6mm recommended adhesive force: 700g
- 1x per Daughterboard: Discmagnet height: 1-3mm diameter: 5-6mm recommended adhesive force: 700g
- Strong Glue suitable to glue magnets to PCB (Recommended: UHU Max Repair Power)
The stated adhesive force was used in the prototype and is recommended. You are free to use different values. Before gluing the magnets please make sure to get the polarity right. Please check the assembly of the Hive hardware page for more details and recommended orientation.