A reliable 1U CubeSat TT&C subsystem featuring an STM32L4 MCU, LoRa radio for long-range communication, CAN Bus, and TMR SPI Flash for critical space applications.
TET is an open-source printed circuit board by ICDT-Inatel-Cubesat-Design-Team, from the ICDT-Inatel-Cubesat-Design-Team/TET-Module repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 4-layer board of 90.2 × 95.9 mm with 87 parts on 154 nets, routed with 761 tracks and 221 vias.
It is built around the STM32L431CCT6, E80-900M2213S and TCAN3414DRB, with the TMP112AIDRLR(UMW), W25Q128JVSIQ TR and INA226AIDGSR among its other parts. Its parts include 29 resistors, 26 capacitors, 17 ICs, 3 diodes and 1 connector. It belongs with the radio and wireless boards and the STM32 boards of this library.
Overview • Repository Organization • Releases • References • License
This project involves the development of the TET (Telemetry, Encoding & Transmission) module tailored for a 1U CubeSat platform. The system is engineered to handle TT&C (Tracking, Telemetry, and Command) capabilities, providing long-range telemetry and low-power wireless communication based on the Semtech LR1121 RF transceiver architecture and an STM32L431 microcontroller.
Technical Parameters
docs: Technical documentation and datasheets.hardware: Core hardware files.
3D: 3D models (.step).Fabrication: BOM and Gerber files for JLCPCB manufacturing.PCB: KiCad schematics and layout design.firmware: Examples of firmware implementation.| Render | Board Name | Status | Latest Release | Date | Datasheet | BOM | Ordering Info |
|---|---|---|---|---|---|---|---|
 | TET Module v1 | 🧪 Testing | v1r2 | 09-06-2026 | Yes | GERBER (JLCPCB) |
This project was inspired by the TTC and TTC2 modules from SpaceLab UFSC, and the Build a CubeSat project. Thank you to both for making your work open-source, and a special thanks to the Build a CubeSat community for their support.
Missions Associated with this Project
This project is licensed under the permissive, weakly-reciprocal CERN-OHL-W-2.0 open-hardware license. You are free to modify and distribute these files, provided downstream hardware design modifications remain under the same terms.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C14, C19, C20, C22, C23, C24, C25, C26, C27, C30, C31, C32, C33, C40 +1 |
| 14 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R26, R27, R28, R30, R31, R34, R35, R36, R37, R38, R39, R40, R45 |
| 8 | 4.7k | Resistor_SMD:R_0402_1005Metric | R6, R8, R29, R33, R41, R42, R43, R44 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H3, H4, H5, H6 |
| 4 | TMP112AIDRLR | TET-Footprints:SOT-563_L1.6-W1.2-P0.50-LS1.6-BR | U4, U6, U17, U19 |
| 3 | W25Q128JVSIQTR | TET-Footprints:SOIC-8_L5.3-W5.3-P1.27-LS8.0-BL | U12, U13, U16 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C29, C34 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C36, C37 |
| 2 | 20pF | Capacitor_SMD:C_0402_1005Metric | C38, C39 |
| 2 | 2m | TET-Footprints:RES-SMD_L6.3-W3.1-1 | R7, R32 |
| 2 | 5015 | TET-Footprints:TEST-SMD_L2.7-W1.0 | U1, U2 |
| 2 | 60.4 | Resistor_SMD:R_0402_1005Metric | R3, R4 |
| 2 | INA226AIDGSR | TET-Footprints:MSOP-10_L3.0-W3.0-P0.50-LS5.0-BL | U3, U21 |
| 2 | PC/104 Connector | TET-Footprints:PinHeader_2x26_P2.54mm_Vertical | H1, H2 |
| 2 | SMA | TET-Footprints:SMA-TH_SMA-KWE_C7498154 | U11, U15 |
| 1 | 100 | Resistor_SMD:R_0402_1005Metric | R5 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C35 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB2 |
| 1 | 200 | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | 22uF | Capacitor_SMD:C_0805_2012Metric | C21 |
| 1 | 270 | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | 4.7 nF | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 8 MHz | TET-Footprints:CRYSTAL-SMD_L5.0-W3.2 | U8 |
| 1 | E80-900M2213S | TET-Footprints:WIFIM-SMD_22P-L26.0-W16.0-P1.27-TL | U14 |
| 1 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | LOGO | TET-Footprints:LibreCube_logo_22.4mm | G*** |
| 1 | LOGO | LOGO | G*** |
| 1 | Logo_Open_Hardware_Small | Symbol:OSHW-Logo_5.7x6mm_SilkScreen | REF1 |
| 1 | ON_LED | LED_SMD:LED_0805_2012Metric | D6 |
| 1 | RX_LED | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | STM32L431CCT6 | TET-Footprints:LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL | U20 |
| 1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | TCAN3414DR | TET-Footprints:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL | U5 |
| 1 | TX_LED | LED_SMD:LED_0805_2012Metric | D4 |
RodrigoCAndrade/LIONv3-R
The LIONv3-R is an IoT and Direct-to-Satellite board powered by the ESP32-C6, combining local Wi-Fi, Zigbee, and Thread networks with high-density LR-FHSS connectivity for scalable global tracking and telemetry.
RodrigoCAndrade/LIONv3-Mini
The LIONv3-Mini is an IoT and Direct-to-Satellite board powered by the ESP32-C6, combining local Wi-Fi, Zigbee, and Thread networks with high-density LR-FHSS connectivity for scalable global tracking and telemetry.
cvaldess/E80-900M2213S_SE050_Breakout
Breakout board for the Ebyte E80-X00M221XS (LR1121/LR2021 dual-band LoRa) with an NXP SE050 secure element — KiCad 10
josephattalla/business-card-pcb
A low power stm32 driven pcb business card powered by a coin cell battery featuring an 8x8 LED matrix controllable by the stm32.
haum2002/EWP-Control
SmartCoolingv2.1 menggabungkan firmware SmartCooling dengan reka bentuk EWP Controller ini. RP2350B kekal sebagai pengawal keselamatan dan actuator kritikal, manakala ESP32-S3 mengurus UI, Wi-Fi, BLE, diagnostik dan…
Gold-Rush-Robotics/pcb_2024
A repository to store work done on PCBs for the 2024 season
It measures 90.2 × 95.9 mm and has 4 copper layers, 1.6 mm thick.
87 parts, built around the STM32L431CCT6, E80-900M2213S, TCAN3414DRB and TMP112AIDRLR(UMW). The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the ICDT-Inatel-Cubesat-Design-Team/TET-Module repository on GitHub, at the commit this page was made from: the board is hardware/PCB/TET.kicad_pcb and its schematic hardware/PCB/TET-Power-Supply.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).