Ground receiver
About the Ground receiver PCB
Ground receiver is an open source NXP PCB design by Terrapin-Rocket-Team, published on GitHub. It is a 4-layer board measuring 61.6 × 92.3 mm, with 56 components from 41 distinct parts.
Its main chip is the Teensy_4.1_Compact, from the NXP family. Other key parts include the LT8609AEDDM-5#TRPBF, FT234XD, SAM-M10Q-00B and TPS62A03DRLR. By type, the board carries 19 resistors, 13 connectors, 11 capacitors, 5 LEDs, 4 ICs and 2 inductors.
From the project
Code and PCBs for the avionics subteam for the SRAD flight computer and side projects
The avionics subteam manages this repo, as well as the Multi-Mission-Flight-Software and Ground Station repositories. Look at the Issues tab for tasks that need to be done, and the Projects tab for the current status of the Avionics subteam as a whole.
Most of our development for our competition rocket systems will be within the /Spaceport/ directory. Here, the parts are broken up by whether they are hardware, PCBs, or code.
Main components on the Ground receiver
Ground receiver bill of materials (BOM)
56 components, 41 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LT8609AEDDM-5#TRPBF | LT8609AEDDM-5#TRPBF | U1 |
| 1 | FT234XD | FT234XD | U4 |
| 1 | SAM-M10Q-00B USBLC6-2P6 | USBLC6-2P6 | U5 |
| 1 | TPS62A03DRLR BQ25171QWDRCRQ1 | VSON10_BQ25171_3X3_TEX | U6 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Horizontal | J1 |
| 1 | CONN_01X02 USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J2 |
| 1 | CONN_01X02 Conn_01x02_Pin | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J3 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J4 |
| 3 | Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J5, J8, J11 |
| 2 | Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J6, J12 |
| 1 | I2C Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J7 |
| 1 | 3.3VOUT Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J9 |
| 1 | 5.0VOUT Conn_01x06_Pin | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J10 |
| 1 | CONN_01X02 Conn_01x04_Pin | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J13 |
| 1 | 4.7uF | C_0805_2012Metric | CIN1 |
| 1 | ~ | Teensy_4.1_Compact | Teensy4.1 |
| 5 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | 3V3, 5V0, BSTAT1, BSTAT2, VBus1 |
| 1 | FerriteBead | R_0805_2012Metric | FB1 |
| 1 | 2.2UH 2.2uH | L_0805_2012Metric | L1 |
| 1 | 10pF | C_0805_2012Metric | C1 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 22uF | C_0805_2012Metric | C2 |
| 3 | 1uF | C_0805_2012Metric | C3, C12, C13 |
| 1 | .1uF | C_0805_2012Metric | C4 |
| 1 | 4.7u | C_0805_2012Metric | C7 |
| 1 | 100n | C_0805_2012Metric | C8 |
| 2 | 47pF | C_0805_2012Metric | C9, C10 |
| 1 | 10nF | C_0805_2012Metric | C11 |
| 1 | 187kΩ | R_0805_2012Metric | R1 |
| 1 | 1MΩ | R_0805_2012Metric | R2 |
| 1 | 18.2kΩ | R_0805_2012Metric | R3 |
| 4 | 2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R6, R7 |
| 1 | 100k | R_0805_2012Metric | R8 |
| 2 | 27 | R_0805_2012Metric | R9, R10 |
| 1 | 5.1k | R_0805_2012Metric | R11 |
| 1 | 15K 5.1k | R_0805_2012Metric | R12 |
| 1 | 111K 10k | R_0805_2012Metric | R13 |
| 1 | 28.7K 390 | R_0805_2012Metric | R14 |
| 1 | 3.6k | R_0805_2012Metric | R15 |
| 1 | 500K 100k | R_0805_2012Metric | R16 |
| 1 | 100K 2k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17 |
| 2 | 4.7k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R18, R19 |
Ground receiver design files
The KiCad project lives in the Terrapin-Rocket-Team/SRAD-Avionics repository on GitHub; these links point at the commit this page was built from.
Ground receiver: common questions
What microcontroller does the Ground receiver use?
The Ground receiver is built around the Teensy_4.1_Compact, from the NXP family.
How big is the Ground receiver PCB?
The Ground receiver measures 61.6 × 92.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Ground receiver?
56 components, from 41 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 Ground receiver design files?
From the Terrapin-Rocket-Team/SRAD-Avionics repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Ground receiver design in my own project?
The repository has no license, so all rights stay with Terrapin-Rocket-Team. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Ground receiver without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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