Shenzhen Mingjiada Electronics Co., Ltd. specialises in the supply and buyback of the ESPRESSIF ESP32-C61-WROOM-1U Wi-Fi 6 + BLE dual-mode wireless module.
As the Internet of Things (IoT) enters the Wi-Fi 6 era in full swing, highly integrated, low-power, and robust wireless communication modules have become central to the upgrading of smart devices. Shenzhen Mingjiada Electronics Co., Ltd. offers a full range of ESP32-C61-WROOM-1U 2.4GHz Wi-Fi 6 & BLE dual-mode wireless modules, whilst simultaneously providing high-value recycling and stock buyback services, delivering a comprehensive end-to-end solution for customers covering the entire process from “procurement — application — iteration — stock clearance”.
I. Overview of the ESP32-C61-WROOM-1U Module
The ESP32-C61-WROOM-1U is Espressif Systems’ new-generation RISC-V architecture general-purpose wireless module, specifically designed for 2.4GHz Wi-Fi 6 (802.11ax) and Bluetooth 5 (BLE) dual-mode connectivity. It utilises U.FL/I-PEX external antenna interfaces, balancing high performance, low power consumption and deployment flexibility.
1. Core Hardware Specifications
Main Controller: Integrated ESP32-C61, a 32-bit RISC-V single-core processor with a maximum clock speed of 160MHz
Memory Configuration:
On-board: 256KB ROM, 320KB SRAM
External: Supports 8MB Flash + 2MB/8MB PSRAM (N8R2/N8R8 versions)
Wireless Performance:
Wi-Fi 6: 2.4GHz, 1T1R, supporting OFDMA, MU-MIMO, TWT target wake-up, and WPA3 security
BLE 5: Bluetooth Low Energy, supporting long-range, multi-connection, and AoA positioning
Compatible with 802.11b/g/n, peak data rate up to 150Mbps
Interfaces and peripherals:
Up to 23 GPIOs, including UART/SPI/I2C/I2S/ADC/PWM/USB
Security Engine: AES, SHA, RSA, Secure Boot, Flash Encryption
Electrical Specifications: 3.0–3.6V power supply, ultra-low power standby, industrial-grade temperature compatibility
2. Product Advantages
Wi-Fi 6 Technology: More stable connections in high-density environments, stronger concurrency, and lower power consumption
External Antenna Design: Wider signal coverage and better wall penetration, suitable for industrial, outdoor and long-range scenarios
High Cost-Effectiveness: Original Espressif quality, compact size and high integration reduce BOM costs
Mature Ecosystem: Compatible with the ESP-IDF development framework, enabling convenient development and efficient iteration
3. Typical Application Scenarios
Smart Home: Smart lighting, smart sockets, gateways, smart speakers, robot vacuum cleaners
Industrial IoT: Sensor gateways, data acquisition, equipment monitoring, asset tracking
Healthcare: Portable monitors, health terminals, telemedicine devices
Consumer Electronics: POS terminals, service robots, audio equipment, display panels
Smart Agriculture: Environmental monitoring, water and fertiliser control, IoT terminals
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II. Mingjiada Electronics: Supply Service Advantages
As an electronic component distributor, Mingjiada Electronics provides stable, efficient, and full-cycle supply support for the ESP32-C61-WROOM-1U:
1. Ample stock and guaranteed lead times
We maintain a constant stock of the main models: N8R2 (8MB Flash + 2MB PSRAM) and N8R8 (8MB + 8MB)
Same-day dispatch for small batches and stable delivery within 3–7 days for large orders, alleviating market supply shortages
2. Quality assurance, genuine OEM products
100% genuine OEM products, brand new, traceable, with full technical support
Strict anti-static and moisture-proof storage, comprehensive performance testing prior to dispatch to eliminate defective products
3. Flexible Procurement to Meet Your Needs
Support for sample requests, small-batch trial production and bulk orders
Consultancy on technical selection, specification matching and alternative solutions
III. Mingjiada Electronics: High-Value Recycling and Inventory Buyback Services
To assist customers with technological upgrades, inventory clearance and cost reduction, Mingjiada Electronics simultaneously offers a high-value recycling service for the full range of Espressif modules, covering:
1. Scope of Recycling
All models of the ESP32-C61-WROOM-1U (including obsolete stock, surplus stock and discontinued inventory)
The full Espressif range: ESP32-C6/C3/S3, ESP8266, ESP32 and other wireless modules/chips
Factory surplus stock, project offcuts, discontinued models and test samples
2. Recycling Benefits
High-value buyback: Prices above market rates, quickly freeing up idle capital
Rapid valuation: Provide model / quantity / batch number for a quote within 1 hour; collection within 24 hours / cash on delivery
Flexible settlement: Cash on delivery, corporate bank transfer, or cash on collection – secure and efficient
3. Service Value
Resolves issues of excess inventory, tied-up capital and warehousing costs
Supports product iteration, phasing out of old models and production line transformation
One-stop “Supply + Recycling” closed-loop solution, reducing total lifecycle costs
IV. Key Reasons to Choose Mingjiada Electronics
Specialised Expertise: Over 10 years in electronic component distribution and recycling, specialising in wireless communications and IoT chips
Stable Resources: Direct manufacturer channels, competitive pricing, guaranteed stock availability
Closed-Loop Service: Integrated supply and recycling – hassle-free, efficient and high-value
Integrity and Reliability: Full accreditation, compliant operations, client confidentiality and secure transactions
Conclusion
With its Wi-Fi 6 + BLE 5 dual-mode capability, external antenna and excellent value for money, the ESP32-C61-WROOM-1U has become the wireless solution of choice for the new generation of IoT devices. Shenzhen Mingjiada Electronics offers comprehensive support throughout the entire lifecycle—from procurement to stock clearance—with ample stock, OEM quality, professional expertise and high-value buyback services.
Contact Person: Mr. Sales Manager
Tel: 86-13410018555
Fax: 86-0755-83957753