Testing ESP32C6 in a XIAO footprint
martinberlin·H-C6-ulp·C6-40-Flash-test/C6-40-Flash-test.kicad_pcb
About the Testing ESP32C6 in a XIAO footprint PCB
Testing ESP32C6 in a XIAO footprint is an open source ESP32 PCB design by martinberlin, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 19.7 × 31.1 mm, with 23 components from 19 distinct parts.
Its main chip is the C5153500, from the ESP32 family. Other key parts include the MX25R1635FZUIL0_TR and C12044. By type, the board carries 7 capacitors, 7 resistors, 3 ICs, 2 connectors, 2 inductors and 1 crystal.
It belongs with the displays & leds designs in this gallery.
From the project
ESP32C6 in a very low power design with a 24 pin FPC for a small SPI Epaper
This PCB design is based on C6 design guidelines and uses the Buck converter schematic of Seeed XIAO C6 SGM6029
Failed release v1.0: We forgot to add SPI flash. Oh yeah, you won't flash it!

Main components on the Testing ESP32C6 in a XIAO footprint
Testing ESP32C6 in a XIAO footprint bill of materials (BOM)
23 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MX25R1635FZUIL0_TR | MX25R1635FZUIL0TR | IC1 |
| 1 | C5153500 ESP32-C6 | QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm | U2 |
| 1 | C12044 MCP1700-3302E_SOT23 | SOT-23 | U3 |
| 1 | C555614 Crystal 40 Mhz 10ppm | Crystal_ECS-40Mhz_ECS | X1 |
| 1 | C165948 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | SM04B-SRSS-TB(LF)(SN) SM04B-SRSS-TB_LF__SN_ | QWIIC_SM04B-SRSS-TB_LFSN_ | J4 |
| 1 | C325005 SW_Push_Dual | switch_SKSVCCE010 | SW1 |
| 1 | C5252358 L | L_0603_1608Metric | L1 |
| 1 | C329586 L | L_0603_1608Metric | L2 |
| 1 | C162161 22pF | C_0402_1005Metric | C1 |
| 2 | C6119874 22pF | C_0402_1005Metric | C2, C3 |
| 2 | C5119318 10uF | C_0805_2012Metric | C4, C5 |
| 2 | C1779 0.1uF | C_0603_1608Metric | C6, C7 |
| 1 | C23186 5.1k | R_0603_1608Metric | R1 |
| 2 | C25804 10k | R_0402_1005Metric | R2, R7 |
| 1 | C6945215 10k | R_0402_1005Metric | R3 |
| 1 | C25804 0Ω | R_0603_1608Metric | R4 |
| 1 | 5.1k | R_0603_1608Metric | R5 |
| 1 | C21189 10k | R_0402_1005Metric | R6 |
Testing ESP32C6 in a XIAO footprint design files
The KiCad project lives in the martinberlin/H-C6-ulp repository on GitHub; these links point at the commit this page was built from.
Testing ESP32C6 in a XIAO footprint: common questions
What microcontroller does the Testing ESP32C6 in a XIAO footprint use?
The Testing ESP32C6 in a XIAO footprint is built around the C5153500, from the ESP32 family.
How big is the Testing ESP32C6 in a XIAO footprint PCB?
The Testing ESP32C6 in a XIAO footprint measures 19.7 × 31.1 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Testing ESP32C6 in a XIAO footprint?
23 components, from 19 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 Testing ESP32C6 in a XIAO footprint design files?
From the martinberlin/H-C6-ulp 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 Testing ESP32C6 in a XIAO footprint design in my own project?
Yes, under the terms of its GPL-3.0 license, which martinberlin chose for the repository.
Can I test firmware for the Testing ESP32C6 in a XIAO footprint 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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