Espressif ESP32-C3-MINI-1-H4 Wi-Fi & BLE Module w/ PCB Antenna
Espressif ESP32-C3-MINI-1-H4 Wi-Fi & BLE Module w/ PCB Antenna - Image 2
SKU: IOWC-0709
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Espressif ESP32-C3-MINI-1-H4 Wi-Fi & BLE Module w/ PCB Antenna

₹249.00 (Inclusive of all taxes)
Out of Stock

The Espressif ESP32-C3-MINI-1-H4 is a compact, general-purpose Wi-Fi and Bluetooth Low Energy (BLE) module based on the ESP32-C3 RISC-V microcontroller, featuring an integrated PCB antenna and designed for low-power IoT applications.

Features

  • Dual Wireless Connectivity: Integrates 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth LE 5.0 for versatile IoT device communication and control.
  • RISC-V Core Efficiency: Powered by the ESP32-C3’s 32-bit RISC-V single-core processor, balancing performance with low power consumption.
  • Compact & Integrated Design: Features a built-in PCB antenna (H4 variant) for a streamlined, space-saving footprint ideal for mass-produced end products.
  • Rich Peripheral Set: Offers multiple interfaces including GPIO, I2C, I2S, SPI, and UART for connecting sensors, displays, and other peripherals.
  • Industrial Temperature Range: Operates reliably from -40°C to 105°C, suitable for demanding environments in industrial automation and outdoor sensing.

Out of stock

Description

The ESP32-C3-MINI-1-H4 module from Espressif is a highly integrated, surface-mountable wireless communication solution built around the ESP32-C3 SoC. It combines a 32-bit RISC-V microcontroller with 2.4 GHz Wi-Fi and Bluetooth LE 5.0 radios, all in a miniaturized form factor. The module is designed for direct integration into final products, featuring an onboard PCB antenna that eliminates the need for an external antenna connector, simplifying RF design and reducing BOM cost.

With support for external flash memory and a comprehensive set of digital interfaces, it provides a flexible foundation for developing connected devices. Its low-power architecture includes multiple sleep modes, making it suitable for battery-powered applications. The module’s robust construction and wide operating temperature range ensure reliability across consumer, commercial, and industrial IoT deployments, from smart home gadgets to telemetry sensors.

Key Features

  • General-purpose Wi-Fi (802.11 b/g/n) and Bluetooth Low Energy 5.0 module in a compact, surface-mount package.
  • Based on the ESP32-C3, a 32-bit RISC-V single-core processor with 4 MB of external flash support.
  • Integrated PCB antenna (H4 variant) for simplified design and reduced component count.
  • Comprehensive peripheral set including GPIO, I2C, I2S, SPI, and UART for extensive connectivity options.
  • Optimized for low-power operation with deep sleep modes, ideal for battery-driven IoT nodes.
  • Designed for industrial-grade reliability with an operating temperature range of -40°C to 105°C.
  • Fully supported by Espressif's ESP-IDF framework, Arduino core, and MicroPython for rapid firmware development.
  • High RF output power up to 20.5 dBm for extended wireless range and robust signal penetration.

Applications

  • Smart Home Automation: For controllers, sensors, smart plugs, and lighting systems requiring local Wi-Fi and BLE control.
  • Industrial IoT (IIoT): Telemetry sensors, wireless monitoring nodes, and equipment condition monitoring in harsh environments.
  • Consumer Electronics: Wearable devices, connected toys, and personal gadgets needing compact wireless connectivity.
  • Health Care: Portable medical monitors and wellness tracking devices with low-energy data reporting.
  • Retail & Asset Tracking: BLE beacon tags and Wi-Fi-assisted location nodes for indoor positioning systems.

Technical Specifications

Microcontroller/SoCEspressif ESP32-C3 (32-bit RISC-V single-core)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth Low Energy 5.0 (BLE)
Frequency Range2.4 GHz
RF Transmit PowerUp to 20.5 dBm
Supply Voltage3.0V to 3.6V
Operating CurrentData not provided (Typical active current varies with Wi-Fi/BLE mode)
InterfacesGPIO, I2C, I2S, SPI, UART
Antenna ConnectorIntegrated PCB Antenna (H4 variant)
Operating Temperature-40°C to 105°C
DimensionsApprox. 13.2mm x 16.6mm (module footprint, typical)

Frequently Asked Questions

What is the main difference between the ESP32-C3-MINI-1-H4 and other ESP32-C3 modules?

The ESP32-C3-MINI-1-H4 variant integrates a PCB antenna directly onto the module, eliminating the need for an external antenna or connector. This makes it more compact and cost-effective for final product designs but offers slightly less flexibility for antenna tuning compared to versions with IPEX or external antenna pads.

How do I program the ESP32-C3-MINI-1-H4 module?

You can program it using Espressif's official ESP-IDF framework, the Arduino core for ESP32, or MicroPython. Development typically requires a USB-to-serial adapter connected to the module's UART0 pins (GPIO20/TXD, GPIO21/RXD) for flashing and debugging. Ensure a stable 3.3V power supply during programming.

What is the power consumption of this module in deep sleep mode?

While the exact deep sleep current for the MINI-1-H4 module isn't specified here, the ESP32-C3 SoC typically achieves deep sleep currents in the range of 5-10 µA when RTC memory and peripherals are properly configured, making it highly suitable for battery-powered sensor nodes that wake periodically.

Can I use this module for commercial product development?

Yes, the ESP32-C3-MINI-1 series is designed for mass production and commercial integration. It is FCC/CE certified (module certification), which can simplify your end-product's regulatory compliance. Always verify the specific certification details for the H4 variant and consult Espressif's certification guide.

Package Includes

  • 1 x Espressif ESP32-C3-MINI-1-H4 Module

Additional Information

Weight 0.01 kg

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