EFMPod
akowalczyk18·Kicad·EFMPod/EFMPod/EFMPod.kicad_pcb
About the EFMPod PCB
EFMPod is an open source Silicon Labs PCB design by akowalczyk18, published on GitHub. It is a 2-layer board measuring 61 × 35.6 mm, with 47 components from 21 distinct parts.
Its main chip is the EFM32HG322F64, from the Silicon Labs family. Other key parts include the AZ1117CH-3_3TRG1. By type, the board carries 19 capacitors, 14 resistors, 3 connectors, 3 switches, 3 diodes and 2 ICs.
From the project
pcb projects

Main components on the EFMPod
EFMPod bill of materials (BOM)
47 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AZ1117CH-3_3TRG1 | SOT-223 | U1 |
| 1 | EFM32HG322F64 | TQFP-48_7x7mm_P0.5mm | U2 |
| 1 | Crystal_GND24 | Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | Crystal_GND3 | Crystal_C38-LF_D3.0mm_L8.0mm_Horizontal_1EP_style1 | Y2 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P1.27mm_Vertical_SMD | J1 |
| 1 | UJ2-MBH-1-SMT-TR | USB_Mini_B_Female_UJ2-MBH-1-SMT-TR | J2 |
| 1 | Conn_02x18_Odd_Even | PinHeader_2x18_P2.54mm_Vertical | J3 |
| 3 | SW_Push | SW_SPST_EVQPE1 | SW1, SW2, SW3 |
| 3 | 2.1V | 0603 | D1, D2, D3 |
| 1 | Ferrite_Bead | L_0603_1608Metric | L1 |
| 5 | 0.1uF | C_0603_1608Metric | C1, C6, C7, C8, C10 |
| 5 | 10uF | C_0603_1608Metric | C2, C3, C4, C5, C9 |
| 1 | 4.7uF | C_0603_1608Metric | C11 |
| 2 | 0.01uF | C_0603_1608Metric | C12, C13 |
| 2 | 1uF | C_0603_1608Metric | C14, C15 |
| 4 | 22pF | C_0603_1608Metric | C16, C17, C18, C19 |
| 1 | 100k | R_0603_1608Metric | R1 |
| 4 | 100 | R_0603_1608Metric | R2, R10, R12, R14 |
| 2 | 10 | R_0603_1608Metric | R3, R4 |
| 5 | 0 | R_0603_1608Metric | R5, R6, R7, R8, R9 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 47k | R_0603_1608Metric | R11, R13 |
EFMPod design files
The KiCad project lives in the akowalczyk18/Kicad repository on GitHub; these links point at the commit this page was built from.
EFMPod: common questions
What microcontroller does the EFMPod use?
The EFMPod is built around the EFM32HG322F64, from the Silicon Labs family.
How big is the EFMPod PCB?
The EFMPod measures 61 × 35.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the EFMPod?
47 components, from 21 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 EFMPod design files?
From the akowalczyk18/Kicad repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the EFMPod design in my own project?
The repository has no license, so all rights stay with akowalczyk18. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the EFMPod without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Silicon Labs firmware against it before you order a PCB.
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