TheHub2
About the TheHub2 PCB
TheHub2 is an open source PCB design by djmallek, published on GitHub. It is a 2-layer board measuring 53.3 × 127 mm, with 29 components from 18 distinct parts.
Other key parts include the BNO055-Breakout, FeatherM0, RFM95-Breakout, AZ1117-3.3 and L7806. By type, the board carries 9 resistors, 7 ICs, 4 connectors, 4 diodes, 4 capacitors and 1 buzzer.
It belongs with the rf & radio designs in this gallery.
From the project
Some work I do for CycloneRocketry
This is an avionics control board for Iowa State's Cyclone Rocketry club. Our rocketry must carry a payload to a target altitude of 10,000ft. Score is determined by how close a team's rocket can get to the target altitude, among other things. To ensure we hit our target altitude, we have an air brakes system which actively calculates when and how long it needs to deploy it's air brakes system. The board additionally provides data-logging and radio-relayed GPS tracking.
Main components on the TheHub2
TheHub2 bill of materials (BOM)
29 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BNO055-Breakout | BNO055 | U1 |
| 1 | FeatherM0 | FEATHER-M0-DATALOGGER | U2 |
| 1 | RFM95-Breakout | RFM95-Breakout | U3 |
| 1 | AZ1117-3.3 | SOT-223-3_TabPin2 | U4 |
| 1 | L7806 | TO-263-2 | U5 |
| 1 | MAX-M8Q-Breakout | MAX-M8Q-Breakout | U6 |
| 1 | MPL3115A2-Breakout | MPL3115A2-Breakout | U7 |
| 1 | 12V Power | XT60 | J1 |
| 2 | SERVO | Pin_Header_Straight_1x03_Pitch2.54mm | J2, J4 |
| 1 | I2C | Pin_Header_Straight_1x03_Pitch2.54mm | J3 |
| 1 | Buzzer | CUI_CMT-5023S-SMT | BZ1 |
| 4 | LED | LED_0805 | D1, D2, D5, D6 |
| 4 | 10U | C_0805 | C1, C2, C3, C4 |
| 3 | 220 | R_0805 | R1, R8, R9 |
| 1 | 470 | R_0805 | R2 |
| 2 | 2.2K | R_0805 | R3, R4 |
| 1 | 330 | R_0805 | R5 |
| 2 | 0 | R_0805 | R6, R7 |
TheHub2 design files
The KiCad project lives in the djmallek/CycloneRocketry repository on GitHub; these links point at the commit this page was built from.
TheHub2: common questions
How big is the TheHub2 PCB?
The TheHub2 measures 53.3 × 127 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TheHub2?
29 components, from 18 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the TheHub2 design files?
From the djmallek/CycloneRocketry repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the TheHub2 design in my own project?
The repository has no license, so all rights stay with djmallek. Use it as a reference, and ask the author before reusing the design.
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