Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The ESP8684-WROOM-04C-H4 is a (4 MB) universal Wi-Fi and Bluetooth LE module. The module uses PCB onboard antenna, which supports 2.4 GHz WiFi and has the characteristics of low power consumption and high performance. It also integrates Bluetooth functionality and supports Bluetooth 5.0 (BLE) for applications requiring wireless connectivity and low power consumption ‌.

CPU and on-chip memory:

• Built-in ESP8684H2 or ESP8684H4 chip, RISC-V32-bit single-core microprocessor, the main frequency up to 120 MHz

• 576 KB ROM

• 272 KB SRAM (16 KB of which is dedicated to cache)

• In-package flash (see Table 1 Model comparison of ESP8684-WROOM-04C series)

• Import the flash controller with the cache mechanism

• Support flash in Circuit Programming (ICP)

Module integrated components

• 26 MHz integrated crystal oscillator

Antenna selection

• Onboard PCB antenna

Working condition

• Operating voltage/supply voltage: 3.0 ~ 3.6V

• Working temperature: -40 ~ 105 °C

Application scenario

The ESP8684-WROOM-04C is suitable for a variety of iot applications requiring low power consumption and high integration, such as smart home, smart wearable devices, wireless sensor networks ‌.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.