2026 ESP32 FPAA v3
About the 2026 ESP32 FPAA v3 PCB
2026 ESP32 FPAA v3 is an open source RP2040/RP2350 PCB design by gfm16617, published on GitHub. It is a 4-layer board measuring 68.6 × 53.3 mm, with 82 components from 39 distinct parts.
Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the OPA1652AIDRGR, LM2663MX/NOPB, AN231E04, USBLC6-2SC6 and LD1117S33TR_SOT223. By type, the board carries 33 resistors, 28 capacitors, 7 connectors, 6 ICs, 4 diodes and 2 switches.
Main components on the 2026 ESP32 FPAA v3
2026 ESP32 FPAA v3 bill of materials (BOM)
82 components, 39 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | OPA1652AIDRGR | SON50P300X300X80-9N-D | IC1 |
| 1 | LM2663MX/NOPB LM2663MX_NOPB | SOIC127P600X175-8N | IC2 |
| 1 | RP2040 ESP32-S3-MINI-1 | ESP32-S2-MINI-1 | U2 |
| 1 | AN231E04 | QFN-44-1EP_7x7mm_P0.5mm_EP5.15x5.15mm | U4 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U5 |
| 1 | LD1117S33TR_SOT223 | SOT-223-3_TabPin2 | U6 |
| 1 | ASE16000MHZLCT | ASE24576MHZLCT | Y1 |
| 1 | CONN_01X02 Power | PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | 10118194-0001LF Digital/PWM | PinSocket_1x10_P2.54mm_Vertical | J2 |
| 1 | CONN_01X15 Analog | PinSocket_1x06_P2.54mm_Vertical | J3 |
| 1 | CONN_01X15 Digital/PWM | PinSocket_1x08_P2.54mm_Vertical | J4 |
| 1 | USB_C_Receptacle_USB2.0_14P Same Sky | USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J5 |
| 1 | 3v3_CONN | PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | PTCSMD | Fuse_1812_4532Metric | F1 |
| 1 | uP_RESET | SW_SWT7015-006010SSA_REVA | SW1 |
| 1 | uP_BOOT1 | SW_SWT7015-006010SSA_REVA | SW2 |
| 1 | USB_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 1 | 3V3_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | N3V3_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USER_LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D5 |
| 2 | 04024D106MAT2A 100uF | CAPPM7343X310N | C1, C2 |
| 1 | C0402C105K9PAC 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13 |
| 1 | 0402YC104KAT2A 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C14 |
| 1 | 0402YC104KAT2A 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15 |
| 1 | C0402C100J3GACAUTO 10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C16 |
| 1 | C0402C100J3GACAUTO 10pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C17 |
| 7 | 10pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C18, C19, C20, C22, C23, C28, C29 |
| 2 | 22pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C21, C27 |
| 7 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C24, C25, C26, C30, C31, C32, C33 |
| 5 | 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C34, C35, C36, C37, C38 |
| 2 | CRT0402-BY-1001GLF 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R6 |
| 2 | RCS040227R0FKED 22R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 2 | 5.1k Vishay / Dale | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R8 |
| 2 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R16 |
| 6 | 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11, R12, R27, R28, R34, R35 |
| 1 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13 |
| 16 | 22k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14, R15, R17, R18, R21, R22, R23, R24 +8 |
| 2 | 100 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R19, R20 |
2026 ESP32 FPAA v3 design files
The KiCad project lives in the gfm16617/EngrEDU_Website repository on GitHub; these links point at the commit this page was built from.
2026 ESP32 FPAA v3: common questions
What microcontroller does the 2026 ESP32 FPAA v3 use?
The 2026 ESP32 FPAA v3 is built around the RP2040, from the RP2040/RP2350 family.
How big is the 2026 ESP32 FPAA v3 PCB?
The 2026 ESP32 FPAA v3 measures 68.6 × 53.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the 2026 ESP32 FPAA v3?
82 components, from 39 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 2026 ESP32 FPAA v3 design files?
From the gfm16617/EngrEDU_Website 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 2026 ESP32 FPAA v3 design in my own project?
The repository has no license, so all rights stay with gfm16617. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the 2026 ESP32 FPAA v3 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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