TBM930 De ice panel
neilenns·TBM930_De-ice_panel
About the TBM930 De ice panel PCB
TBM930 De ice panel is an open source AVR/Arduino PCB design by neilenns, published on GitHub under the MIT license. It is a 2-layer board measuring 190.5 × 101.6 mm, with 79 components from 37 distinct parts.
Its main chip is the ATmega32U4-MU, from the AVR/Arduino family. Other key parts include the TLC5917IN. By type, the board carries 27 diodes, 14 capacitors, 11 connectors, 10 resistors, 3 ICs and 2 switches.
From the project
Custom TBM930 de-ice panel PCB for Microsoft Flight Simulator 2020 and MobiFlight
This PCB implements a TBM930 de-ice panel for use with Microsoft Flight Simulator 2020 and MobiFlight.
This repo also demonstrates using KiBot for full CI/CD of KiCad projects. Every pull request gets ERC/DRC checks. Publishing a GitHub release triggers generation of a suite of PCB documentation, interactive BOM, and submission files for JLCPCB (including pick-and-place files) and PCBWay. The GitHub release version is inserted into the generated documentation and gerber files as well. A manually triggered workflow to generate documentation is also included.

Main components on the TBM930 De ice panel
TBM930 De ice panel bill of materials (BOM)
79 components, 37 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TLC5917IN | DIP-16_W7.62mm | U1, U2 |
| 1 | ATmega32U4-MU | TQFP-44-1EP_10x10mm_P0.8mm_EP4.5x4.5mm | U3 |
| 1 | Crystal_GND24 | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | SW_AIRFRAME_DE_ICE | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J1 |
| 1 | SW_ICE_LIGHT | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2 |
| 1 | SW_PROP_DE_ICE | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J3 |
| 1 | SW_WIND_SHIELD | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J4 |
| 1 | SW_PITOT_L_HTR | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J5 |
| 1 | SW_PITOT_R_HTR | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J6 |
| 1 | SW_INERT_SEP | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J7 |
| 1 | Barrel_Jack | BarrelJack_Horizontal | J8 |
| 1 | USB_B_Mini | USB_B_Mini_Amphenol_UE25BE5510H | J9 |
| 1 | AVR-ISP-6 | PinHeader_2x03_P2.54mm_Vertical | J10 |
| 1 | Screw_Terminal_01x02 | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J11 |
| 1 | SW_Push | SW_PUSH_6mm_H9.5mm | SW1 |
| 1 | SW_Push | SW_PUSH_6mm_H4.3mm | SW2 |
| 3 | MountingHole | JLCPCB_Tooling_Hole | TH1, TH2, TH3 |
| 7 | MountingHole | MiniToggleSPDT_screw_mount | TSW1, TSW2, TSW3, TSW4, TSW5, TSW6, TSW7 |
| 1 | YELLOW | LED_0603_1608Metric | D1 |
| 2 | GREEN | LED_0603_1608Metric | D2, D3 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AIRFRAME 1 | LED_D5.0mm | D4 |
| 1 | AIRFRAME 2 | LED_D5.0mm | D5 |
| 1 | PROP | LED_D5.0mm | D6 |
| 1 | WINDSHIELD 1 | LED_D5.0mm | D7 |
| 1 | WINDSHIELD 2 | LED_D5.0mm | D8 |
| 18 | LED | LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D9, D10, D11, D12, D13, D14, D15, D16 +10 |
| 1 | D | D_SOD-323F | D17 |
| 1 | Ferrite_Bead_Small | C_0805_2012Metric | FB1 |
| 2 | 10uF | C_0603_1608Metric | C1, C10 |
| 8 | 100nf | C_0402_1005Metric | C2, C3, C4, C5, C8, C9, C11, C12 |
| 2 | 1uF | C_0402_1005Metric | C6, C7 |
| 2 | 20pf | C_0402_1005Metric | C16, C17 |
| 3 | 330 | R_0402_1005Metric | R2, R5, R9 |
| 2 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4 |
| 1 | 1K | R_0402_1005Metric | R6 |
| 2 | 22 | R_0402_1005Metric | R7, R8 |
| 2 | 10K | R_0402_1005Metric | R10, R11 |
TBM930 De ice panel design files
The KiCad project lives in the neilenns/TBM930_De-ice_panel repository on GitHub; these links point at the commit this page was built from.
TBM930 De ice panel: common questions
What microcontroller does the TBM930 De ice panel use?
The TBM930 De ice panel is built around the ATmega32U4-MU, from the AVR/Arduino family.
How big is the TBM930 De ice panel PCB?
The TBM930 De ice panel measures 190.5 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TBM930 De ice panel?
79 components, from 37 distinct parts. The full bill of materials is listed on this page.
Where can I download the TBM930 De ice panel design files?
From the neilenns/TBM930_De-ice_panel repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the TBM930 De ice panel design in my own project?
Yes, under the terms of its MIT license, which neilenns chose for the repository.
Can I test firmware for the TBM930 De ice panel without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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