Esp32-faerfly-V2.0
About the Esp32-faerfly-V2.0 PCB
Esp32-faerfly-V2.0 is an open source ESP32 PCB design by low-poly-studio, published on GitHub. It is a 4-layer board measuring 85.1 × 53.3 mm, with 83 components from 40 distinct parts.
Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the MCP73831-2-OT, AMS1117-3.3 and CH340C. By type, the board carries 26 capacitors, 17 resistors, 12 LEDs, 10 connectors, 4 ICs and 3 jumpers.
It belongs with the sensors and dev boards & breakouts designs in this gallery.
From the project
Imogen Wren Business Card Light Show PCB
- Added 100n cap from EN to GND for auto reset
- Add Acellerometer - Add BMP280 Sensors - Change touch pins to holes, touch pins DID NOT work well
- Cut PCB size down to just the LEDs footprint - Use front and back of PCB
Main components on the Esp32-faerfly-V2.0
Esp32-faerfly-V2.0 bill of materials (BOM)
83 components, 40 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP73831-2-OT | SOT-23-5 | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2_1 | U2 |
| 1 | ESP32-WROOM-32 | ESP32-WROOM-32_KAWAII | U3 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 2 | BC817 | SOT-23 | Q1, Q2 |
| 1 | LiPo_4v2 | 2-pin-edge | J1 |
| 1 | SDI/SDO | 6-pin-edge-touch | J2 |
| 1 | WS2821b | 3-pin-edge | J3 |
| 1 | gpio-B | 5-pin-edge-touch | J4 |
| 1 | touch0 | 1-pin-edge-touch-xl | J5 |
| 1 | Touch Pins | 8-pin-edge-touch | J6 |
| 1 | DAC/ADC | 4-pin-edge | J7 |
| 1 | USB_C_Receptacle | USB_C_Receptacle_Molex_105450-0101 | J8 |
| 1 | i2c-header | 5-pin-edge-touch | J9 |
| 1 | ESPpin1-4 | 4-pin-edge | J10 |
| 1 | 1000U 1000u | CP_Elec_10x10_kawaii | EC1 |
| 1 | I Prog | SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | usb/batt | SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP2 |
| 1 | led-data | SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP3 |
| 1 | led-pwr | SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JPw1 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SW_SPDT_small | SW_SPDT_PCM12 | SW1 |
| 1 | BOOT | SW_SPST_EVQPE1 | SW2 |
| 1 | EN | SW_SPST_EVQPE1 | SW3 |
| 12 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | WLED1, WLED2, WLED3, WLED4, WLED5, WLED6, WLED7, WLED8 +4 |
| 1 | Blue | LED_0805_2012_Kawaii | D1 |
| 2 | BZV55B3V3 | D_MiniMELF_kawaii | D2, D3 |
| 1 | FerriteBead | L_0805_2012Metric_Pad1.05x1.20mm_HandSolder | FB1 |
| 20 | 100N 100n | C_0805_2012_HandSolder_kawaii | C1, C2, C3, C4, C5, C6, C7, C10 +12 |
| 1 | 10N 10n | C_0805_2012_HandSolder_kawaii | C8 |
| 2 | 47P 47p | C_0805_2012_HandSolder_kawaii | C9, C11 |
| 1 | 4N7 4n7 | C_0805_2012_HandSolder_kawaii | C12 |
| 2 | 4U7 4u7 | CP_EIA-2012-12_Kemet-R_Pad1.30x1.05mm_HandSolder | C25, C26 |
| 6 | 10K 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R8, R9, R10, R11 |
| 1 | 4K7 4k7 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 2 | 27R 27r | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5 |
| 1 | 470R 470r | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
| 1 | 330R 330r | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 4K7 5k2 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12 |
| 3 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R14, R17 |
| 2 | 100R 100r | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15, R16 |
Esp32-faerfly-V2.0 design files
The KiCad project lives in the low-poly-studio/esp32-faerfly repository on GitHub; these links point at the commit this page was built from.
Esp32-faerfly-V2.0: common questions
What microcontroller does the Esp32-faerfly-V2.0 use?
The Esp32-faerfly-V2.0 is built around the ESP32-WROOM-32, from the ESP32 family.
How big is the Esp32-faerfly-V2.0 PCB?
The Esp32-faerfly-V2.0 measures 85.1 × 53.3 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Esp32-faerfly-V2.0?
83 components, from 40 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 Esp32-faerfly-V2.0 design files?
From the low-poly-studio/esp32-faerfly 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 Esp32-faerfly-V2.0 design in my own project?
The repository has no license, so all rights stay with low-poly-studio. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Esp32-faerfly-V2.0 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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