ESP32-C61-MINI-1 Brings Wi-Fi 6, BLE 5.3, and Matter Support

ESP32-C61-MINI-1-N4 module

Mouser Electronics, Inc., the sector’s renowned New Product Introduction (NPI) distributing firm with the most extensive inventory of semiconductors and standardized electronic components, now stocks the ESP32-C61-MINI-1 and -1U ESP32-C61-based Multiprotocol Modules supporting 2.4 GHz Wi-Fi 6 (802.11ax), Bluetooth 5 Low Energy from Espressif Systems and IEEE 802.15.4 connectivity including Matter support. Espressif ESP32-C61-MINI-1 is a significant as well as high-performance general-purpose module with rich peripherals. The module is based on the ESP32-C61 system-on-chip (SoC) which is a 32-bit RISC-V single-core microcontroller. The ESP32-C61-MINI-1 comes with an on-board PCB antenna and an SPI flash of up to 4MB. Wi-Fi and Bluetooth can share one antenna by an internal co-exist design.

The Espressif ESP32-C61-MINI-1 module is suitable for smart homes, industrial automation, healthcare, and consumer electronics.

Espressif ESP32-C61-MINI-1 and 1U

Espressif ESP32-C61-MINI-1/1U — Technical Specifications:

• Processing and Memory:
  • SoC: Espressif ESP32-C61
  • CPU: Single-core 32-bit RISC-V processor, up to 160 MHz
  • SRAM: 320 KB
  • PSRAM: Up to 8 MB
  • ROM: 256 KB
  • Flash: Up to 8 MB Quad-SPI flash
• Wi-Fi 6 Connectivity:
  • Wireless: 2.4 GHz Wi-Fi, 1T1R
  • Frequency Range: 2412–2484 MHz
  • Standard: IEEE 802.11ax
  • Wi-Fi 6 Features:
    • 20 MHz-only non-AP mode
    • MCS 0–9
    • Uplink and downlink OFDMA
    • Downlink MU-MIMO
    • Target Wake Time (TWT) for improved power efficiency
  • Backward Compatibility: IEEE 802.11b/g/n
  • Bandwidth: 20/40 MHz
  • Maximum Data Rate: Up to 150 Mbps
  • Additional Features: WMM, TX/RX A-MPDU, TX/RX A-MSDU, up to four virtual Wi-Fi interfaces and 802.11mc FTM
  • Operating Modes: Station, SoftAP, Station + SoftAP and promiscuous mode
  • Antenna Sharing: Integrated Wi-Fi/Bluetooth coexistence mechanism
• Bluetooth Low Energy:
  • Bluetooth: Bluetooth LE 5.3 certified
  • Bluetooth Mesh: Supported
  • High-Power Mode: Up to 20 dBm
  • Supported Data Rates: 125 Kbps, 500 Kbps, 1 Mbps and 2 Mbps
  • Features: Advertising extensions, multiple advertisement sets, Channel Selection Algorithm #2 and LE Power Control
• Peripherals and Interfaces:
  • The module provides access to peripherals through 53 pads, including:
    • GPIO
    • SPI
    • UART
    • I²C
    • I²S
    • LED PWM
    • USB
    • Serial/JTAG controller
    • GDMA
    • JTAG-based on-chip debugging
    • Event Task Matrix
    • ADC
    • Temperature sensor
    • Brown-out detector
    • Analog voltage comparator
    • General-purpose, system and watchdog timers
• Hardware and Antenna Options:
  • Crystal: Integrated 40 MHz crystal oscillator
  • ESP32-C61-MINI-1: Integrated PCB antenna
  • ESP32-C61-MINI-1U: External antenna connector
• Electrical and Environmental Specifications:
  • Operating Voltage: 3.0–3.6 V
  • Operating Temperature: −40°C to +85°C
  • Certifications: Multiple RF, environmental/Green and testing certifications
• Module Dimensions:
  • Variant: ESP32-C61-MINI-1
  • Antenna Configuration: On-board PCB antenna
  • Dimensions: 13.2 × 16.6 × 2.4 mm
  • Variant: ESP32-C61-MINI-1U
  • Antenna Configuration: External antenna connector
  • Variant: 13.2 × 16.6 × 2.4 mm

Espressif ESP32-C61 Block Diagram

Espressif Systems ESP32-C61-MINI-1 Wi-Fi and BLE Module

ESP32-C61-DevKitC-1 is an elementary-level development board built around the ESP32-C61-WROOM-1. This board has full Wi-Fi and Bluetooth Low Energy capability. The Espressif Systems ESP32-C611-DevKitC-1 Development Kit contains the ESP32-C61-WROOM-1 universal-purpose module with up to 8MB SPI flash and 2MB PSRAM. The ESP32-C61-DevKitC-1 is an inexpensive introductory development board that features comprehensive Wi-Fi and BLUETOOTH Low Energy support. The I/O pins of the Espressif Systems ESP32-C61-DevKitC-1 is broken out to the pin headers on either side for interfacing. Users can interconnect peripheral components with jumper wires or mount the ESP32-C61-DevKitC-1 on a breadboard.

Espressif Systems ESP32-C61-DevKitC-1 Development Kit

Full technical details can be found in the datasheet. The ESP-IDF v6.0 framework released in March 2026 added support for the ESP32-C61 software-wise.  

Espressif Systems ESP32-C61-WROOM-1-N8R2 Module Pinout

To begin, users can use the ESP32-C61-MINI-1/1U module, but also the ESP32-C61-DevKitC-1-N8R2 development board. It sells for $9 on AliExpress or $12 on Amazon. 

Images used courtesy of Espressif