ESP32-C6 SuperMini front and back with headers (Ameridroid)

Generic (unbranded)

ESP32-C6 SuperMini Dev Board

The ESP32-C6 SuperMini is a stamp-size generic board built on the ESP32-C6FH4. It has a 160 MHz RISC-V core plus an LP core, 4 MB flash, 512 KB + 16 KB SRAM, Wi-Fi 6, Bluetooth 5.3 LE and 802.15.4 for Zigbee / Thread. USB-C goes to native USB Serial/JTAG. It breaks out 22 GPIO (7 ADC) and has BOOT and RESET buttons, a WS2812 on GPIO8, an LED on GPIO15 and 3.3 V logic, for about $7.

ESP32-C6 SuperMiniDevelopment board
dev_boardwifibluetoothiotbeginner friendlyesp32-c6fh4microcontrollerdevelopment boardi2cspiuartusbsdioarduino ideesp-idfesphomeesp32-c6superminiwifi 6zigbeethreadmatter802.15.4risc-vusb-cws2812
Price$6.95ameridroid.com · in stock
Buy at ameridroid.com

Overview

Board essentials

Facts about the complete product. Unknown values remain open design questions.

Exposed GPIO
22
Board I/O voltage
3.3 V
Board flash capacity
4 MiB
Board SRAM capacity
512 KiB
Board operating range
-40 to 85 °C

A good fit for

Guidance to help you shortlist. The basis is shown for each recommendation.

Connected IoT devices and wireless sensor nodes

On-board radio: Wi-Fi 6 802.11ax 2.4 GHz; Bluetooth 5.3 LE.

Engineering inference

Learning and fast prototyping

Programs from Arduino IDE, ESP-IDF, ESPHome.

Engineering inference

Inside this board

The board is the parent product. Each chip has its own memory, pins, capabilities and thermal limits.

main processor

ESP32-C6FH4

Espressif Systems

0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcu
Architecture
32-bit RISC-V (HP) + 32-bit RISC-V LP coprocessor
Documented clock
160 MHz
Chip / in-package flash
4 MiB
On-chip SRAM
512 KiB
Chip capabilities and thermal limits

Chip-level capabilities have not been documented.

Chip capabilities require suitable board wiring, supply and firmware. They do not establish which interfaces are exposed on this board.

3D model & CAD

3D model & CAD files

Generated from the datasheet's dimensioned drawing and measured against it. Download the STEP to check fit in your own enclosure.

Envelope (L × W × H)
25.56 × 18 × 1.6 mm
Verification
generated
Envelope complete
No — some heights assumed

thickness=1.6 mm assumed: PCB thickness not printed; 1.6 mm assumed for the CAD envelope only

Pins & mapping

26 board pins and 22 explicit routes documented. The record marks the pinout complete. Alternate functions can share pins and may not be usable together.

Exposed board pins

Board connector positions are the physical points you wire to.

Exposed board pins
Board pinConnector / positionElectricalFunctions / constraints
BATID BAT—Position back pad beside USB-C (B+ / B−)power inpower_in

Lithium battery input for the onboard charger. NOT a header pin - it is a separate pad beside the USB connector, with BAT printed turned beside it. The right header's ten pads are 5V GND 3V3 20 19 18 15 14 9 8, each with its name printed just past it toward the antenna end, the same way the left row prints TX RX 0-7.

5VID 5V—Position R1power inpower_in

5V power input for the board

GNDID GND—Position R20 Vgroundground

Ground connection

3V3ID 3V3—Position R3power outpower_out

3.3V power output for peripherals

16ID 16—Position L13.3 Vgpio5 V tolerant: noMax drive 28 mATX (UART0), GPIO16, U0TXD, FSPICS0

TX

17ID 17—Position L23.3 Vgpio5 V tolerant: noMax drive 28 mARX (UART0), GPIO17, U0RXD, FSPICS1

RX

0ID 0—Position L33.3 Vgpio5 V tolerant: noMax drive 28 mAXTAL_32K_P, ADC1_CH0, GPIO0

GPIO, ADC pin

1ID 1—Position L43.3 Vgpio5 V tolerant: noMax drive 28 mAXTAL_32K_N, ADC1_CH1, GPIO1

GPIO, ADC pin

2ID 2—Position L53.3 Vgpio5 V tolerant: noMax drive 28 mAADC1_CH2, GPIO2, FSPIQ

GPIO, ADC pin

3ID 3—Position L63.3 Vgpio5 V tolerant: noMax drive 28 mAADC1_CH3, GPIO3

GPIO, ADC pin

4ID 4—Position L73.3 Vgpio5 V tolerant: noMax drive 28 mAADC1_CH4, GPIO4, MTMS, FSPIHD

GPIO, ADC pin

5ID 5—Position L83.3 Vgpio5 V tolerant: noMax drive 28 mAADC1_CH5, GPIO5, MTDI, FSPIWP

GPIO, ADC pin

6ID 6—Position L93.3 Vgpio5 V tolerant: noMax drive 28 mAADC1_CH6, GPIO6, MTCK, FSPICLK

GPIO, ADC pin

7ID 7—Position L103.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO7, MTDO, FSPID

GPIO

8ID 8—Position R103.3 Vgpio5 V tolerant: noMax drive 28 mAonboard WS2812 RGB LED, GPIO8

GPIO, RGB LED

9ID 9—Position R93.3 Vgpio5 V tolerant: noMax drive 28 mABOOT button (low at reset = download mode), GPIO9

GPIO, Boot

12ID 12—Position inner pad3.3 Vgpio5 V tolerant: noMax drive 28 mAUSB_D-, GPIO12

GPIO

13ID 13—Position inner pad3.3 Vgpio5 V tolerant: noMax drive 28 mAUSB_D+, GPIO13

GPIO

14ID 14—Position R83.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO14

GPIO

15ID 15—Position R73.3 Vgpio5 V tolerant: noMax drive 28 mAstatus LED, GPIO15

GPIO, LED

18ID 18—Position R63.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO18, SDIO_CMD, FSPICS2

GPIO

19ID 19—Position R53.3 Vgpio5 V tolerant: noMax drive 28 mASCL (Mischianti default), GPIO19, SDIO_CLK, FSPICS3

GPIO

20ID 20—Position R43.3 Vgpio5 V tolerant: noMax drive 28 mASDA (Mischianti default), GPIO20, SDIO_DATA0, FSPICS4

GPIO

21ID 21—Position inner pad3.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO21, SDIO_DATA1, FSPICS5

GPIO

22ID 22—Position inner pad3.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO22, SDIO_DATA2

GPIO

23ID 23—Position inner pad3.3 Vgpio5 V tolerant: noMax drive 28 mAGPIO23, SDIO_DATA3

GPIO

Board → chip mapping

A board label, a chip signal ID and a package lead number are different identifiers.

Board to chip pin mappings
Board connectionChip instanceChip signalPackage leadRoute
16ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO16ID GPIO16—direct
17ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO17ID GPIO17—direct
0ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO0ID GPIO0—direct
1ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO1ID GPIO1—direct
2ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO2ID GPIO2—direct
3ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO3ID GPIO3—direct
4ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO4ID GPIO4—direct
5ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO5ID GPIO5—direct
6ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO6ID GPIO6—direct
7ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO7ID GPIO7—direct
8ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO8ID GPIO8—direct
9ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO9ID GPIO9—direct
12ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO12ID GPIO12—direct
13ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO13ID GPIO13—direct
14ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO14ID GPIO14—direct
15ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO15ID GPIO15—direct
18ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO18ID GPIO18—direct
19ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO19ID GPIO19—direct
20ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO20ID GPIO20—direct
21ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO21ID GPIO21—direct
22ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO22ID GPIO22—direct
23ESP32-C6FH4Instance 0cc1e8eb-a478-58f5-a621-6f2108b4904a--mcuGPIO23ID GPIO23—direct

ESP32-C6FH4 · chip pins

Chip signals stay attached to their chip instance, including their package lead and board exposure.

Chip package pins have not been transcribed for this instance.

Specifications

Board electrical limits

Supply voltage and GPIO logic voltage describe different parts of the design.

I/O voltage
3.3 V
Supply voltage range
3.3 to 6 V
Logic high minimum
2.475 V
Per-pin drive limit
28 mA
Power input domains
InputVoltage rangeConnectorNotes
BATUnknown—Lithium battery input for the onboard charger. NOT a header pin - it is a separate pad beside the USB connector, with BAT printed turned beside it. The right header's ten pads are 5V GND 3V3 20 19 18 15 14 9 8, each with its name printed just past it toward the antenna end, the same way the left row prints TX RX 0-7.
5V3.3 to 6 V—5V power input for the board

A 5 V supply input does not establish 5 V tolerance on GPIO. Check the documented power input and logic domain for each connection.

Board-level capabilities

These describe the assembled board. Interface counts do not guarantee simultaneous operation.

Board capabilities
InterfaceSupportCountDetails
uartDocumentedUnknown16, 17
gpioDocumentedUnknown16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 18, 19, 20, 21, 22, 23
spiDocumentedUnknown16, 17, 2, 4, 5, 6, 7, 18, 19, 20, 21
clockDocumentedUnknown0, 1
adcDocumented70, 1, 2, 3, 4, 5, 6

count stated in datasheet (adc_channels)

jtagDocumentedUnknown4, 5, 6, 7
ledDocumentedUnknown8, 15
controlDocumentedUnknown9
usbDocumentedUnknown12, 13
sdioDocumentedUnknown18, 19, 20, 21, 22, 23
i2cDocumentedUnknown19, 20

Memory on the board

Board capacity includes installed memory; chip-local memory is listed separately under each processor.

Flash
4 MiB
SRAM
512 KiB

Capacities use KiB / MiB (1024-based units). Firmware partitions and runtime allocations reduce application-available memory.

Thermal limits by level

Product operating conditions, chip ambient ratings, package case limits and junction maxima remain separate.

Assembled board

Product operating range
-40 to 85 °C

ESP32-C6FH4 · main processor

Mechanical dimensions

Reported product dimensions may exclude protruding components. Unknown height does not establish a complete clearance envelope.

Length
25.56 mm
Width
18 mm

Attached generated geometry is an approximate envelope. A generated outline does not establish an electrically verified PCB footprint.

Board connectors

Connectors
ID / typePinsPitchNotes
usbUSB Type-C (power + native USB Serial/JTAG)UnknownUnknown—
header2 × 10 castellated / through-hole edge pads at 2.54 mm pitch (TX RX 0–7 | 5V GND 3V3 20 19 18 15 14 9 8), plus inner pads 12 13 21 22 23 and back BAT pads262.54 mm—

Software and certifications

Software frameworks
Arduino IDE, ESP-IDF, ESPHome

Complete structured record

Every available field, including details beyond the summaries. Null means the value has not been established.

Inspect product JSON

Sourcing & files

Supplier offers

US / USD is the target market. Observed price and stock are separate from a delivery quote.

ameridroid.com

US · USD

$6.95Minimum quantity unknown
Observed stock
in stock
Checked
Oct 18, 2026, 03:38 AM UTC
Delivery estimate
Not quoted

This observation is stale or has no verified check time. Recheck with the supplier.

Visit supplier (opens in a new tab)

Delivery depends on quantity, postal code and shipping method. A dispatch statement such as “ship today” is not an arrival estimate.

Design files and references

Each source keeps its own verification status. Confirm the part revision and file contents before using it in a design.

cad
STEP (generated from datasheet drawing) — link unavailable

Generated asset

cad_check passed

Generated envelope geometry may also exist for this record. It does not replace manufacturer CAD or a verified electrical land pattern.

Source evidence

Document provenance, retrieval dates and the field groups supported by each source.

ESP32-C6 SuperMini Dev Board datasheet (opens in a new tab)
Generic (unbranded)datasheetRetrieved Oct 18, 2026, 03:29 AM UTC

Supports: spec.constraints.electrical.io_voltage_v, spec.constraints.electrical.logic_high_min_v, spec.constraints.electrical.pin_drive_max_ma, spec.constraints.electrical.supply_voltage_max_v, spec.constraints.electrical.supply_voltage_min_v, spec.constraints.thermal.operating_temp_max_c, spec.constraints.thermal.operating_temp_min_c, spec.geometry.cad.assumptions, spec.geometry.cad.bbox.height_mm, spec.geometry.cad.bbox.length_mm, spec.geometry.cad.bbox.width_mm, spec.geometry.cad.envelope_complete, spec.geometry.cad.mesh_path, spec.geometry.cad.step_path, spec.geometry.cad.verification, spec.geometry.dimensions.length_mm, spec.geometry.dimensions.width_mm, spec.provides.capabilities, spec.provides.features, spec.provides.gpio_count, spec.provides.memory.flash_kb, spec.provides.memory.sram_kb, spec.provides.software_frameworks, spec.provides.wireless, spec.usage.connectors, spec.usage.pin_mappings, spec.usage.pinout, spec.usage.pinout_complete, spec.usage.requirements.power_inputs

sha256 6e9a22c4e0b9c88dce6ed236ed72b9544f6a508e768b242c856f0363bb0b9891

FAQ

ESP32-C6 SuperMini Dev Board questions

What microcontroller does the ESP32-C6 SuperMini Dev Board use?

The ESP32-C6 SuperMini Dev Board is built around the ESP32-C6FH4.

How many GPIO pins does the ESP32-C6 SuperMini Dev Board have?

22 GPIO pins are exposed. Xirkit documents 26 board pins, 22 of them with pin-level electrical limits.

Are the ESP32-C6 SuperMini Dev Board I/O pins 5 V tolerant?

No. The I/O pins are not 5 V tolerant — they run at 3.3 V logic; use a level shifter for 5 V signals. Input-high threshold: 2.475–3.6 V.

How much current can a ESP32-C6 SuperMini Dev Board GPIO pin source?

Documented output-high current per pin: 40 mA typ. Values are traced to the chip datasheet; see the pinout table for per-pin limits and conditions.

What voltage powers the ESP32-C6 SuperMini Dev Board?

Supply range 3.3–6 V. Power inputs: BAT, 5V (3.3–6 V).

How much does the ESP32-C6 SuperMini Dev Board cost?

From $6.95 at ameridroid.com. Prices are observed unit prices before tax and shipping.

What are the ESP32-C6 SuperMini Dev Board dimensions?

25.56 × 18 mm. A STEP model is available for enclosure fit checks.

Which interfaces does the ESP32-C6 SuperMini Dev Board support?

uart, gpio, spi, clock, adc, jtag, led, control, usb, sdio, i2c.

How do I program the ESP32-C6 SuperMini Dev Board?

Supported frameworks: Arduino IDE, ESP-IDF, ESPHome.

Where does this ESP32-C6 SuperMini Dev Board data come from?

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

Sources

Full pinout table

Also as JSON · Markdown

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