Esp32 Ethernet
About esp32 ethernet
Where to Find ESP32 Ethernet Development Board Suppliers?
China remains the central hub for embedded electronics manufacturing, with Shenzhen-based suppliers leading in IoT and microcontroller development board production. The region’s dense ecosystem of component distributors, PCB fabricators, and firmware developers enables rapid prototyping and scalable assembly. Suppliers specializing in ESP32-based solutions benefit from proximity to semiconductor foundries and logistics gateways, reducing material lead times by 10–15 days compared to offshore alternatives.
These advantages translate into competitive pricing and agile customization. Most manufacturers operate integrated SMT lines capable of producing 10,000–50,000 units monthly, supporting both low-volume sampling and mass deployment. Buyers gain access to pre-certified modules (FCC, CE, RoHS) and reference designs that accelerate time-to-market. Key benefits include MOQs as low as 1–5 pieces for prototypes, unit costs under $1.00 at scale, and lead times averaging 7–14 days post-payment confirmation.
How to Choose ESP32 Ethernet Development Board Suppliers?
Effective supplier evaluation requires structured assessment across technical, operational, and transactional dimensions:
Technical Capability Verification
Confirm support for required interfaces—Ethernet PHY integration (e.g., LAN8720), PoE compatibility, RS485/CAN options—and dual-mode Wi-Fi/Bluetooth functionality. Suppliers should provide schematic documentation, pinout diagrams, and SDK access. For industrial applications, verify operating temperature range (-40°C to +85°C) and EMI shielding practices.
Production & Quality Benchmarks
Assess core operational metrics:
- On-time delivery rate exceeding 95%
- Response time under 5 hours for inquiry resolution
- In-house testing protocols for flash memory, RF performance, and power consumption
Prioritize suppliers listing dedicated product categories such as “Development Boards, Kits” or “IoT Solutions & Software,” indicating specialization over general component resale.
Transaction Security & Support
Favor suppliers with verifiable revenue histories (e.g., US $100,000+) and reorder rates above 15%, signaling customer retention. Evaluate customization depth: options may include boot logo programming, custom firmware flashing, PCB color/material modification, and packaging branding. Use secure payment frameworks and request functional samples before scaling orders.
What Are the Best ESP32 Ethernet Development Board Suppliers?
| Company Name | Main Products (Listings) | Online Revenue | On-Time Delivery | Reorder Rate | Avg. Response | Customization Options |
|---|---|---|---|---|---|---|
| Shenzhen Junbaoxiang Technology Co., Ltd. | Other ICs (690) | US $310,000+ | 94% | 16% | ≤5h | Not specified |
| Wireless-Tag Technology Co., Limited | Other Communication & Networking Product (131) | US $210,000+ | 96% | 21% | ≤3h | OS integration, system-level customization |
| Shenzhen Kaisheng Century Electronics Co., Ltd. | No primary category listed | US $180,000+ | 100% | 15% | ≤2h | Not specified |
| Shenzhen Chipskey Technology Co., Ltd. | No primary category listed | US $30,000+ | 98% | 20% | ≤12h | Color, size, logo, packaging, labeling |
| Shenzhen Huake Shengye Technology Co., Ltd. | No primary category listed | US $40,000+ | 100% | <15% | ≤3h | Not specified |
Performance Analysis
Shenzhen Junbaoxiang leads in sales volume and component breadth, suggesting robust backend supply chain management. Wireless-Tag stands out with a 21% reorder rate and customization capabilities tied to operating system integration—ideal for enterprises deploying managed IoT fleets. Two suppliers—Kaisheng Century and Huake Shengye—achieve perfect on-time delivery records (100%), indicating strong fulfillment discipline despite moderate reorder rates. Chipskey offers granular branding flexibility, suitable for private-label development boards. Response efficiency is highest among top-tier suppliers, with three achieving ≤3-hour average reply times. Prioritize partners combining high delivery reliability (>96%) with documented customization experience for mission-critical deployments.
FAQs
How to verify ESP32 Ethernet board supplier reliability?
Cross-check technical specifications against official Espressif datasheets. Request evidence of compliance with RoHS and CE standards. Analyze transaction history, focusing on consistent pricing, order fulfillment speed, and post-sale support responsiveness.
What is the typical sampling timeline?
Standard sample processing takes 5–7 days. Customized units with firmware or branding adjustments require 10–14 days. Air shipping adds 3–7 days internationally.
Do suppliers support global shipping?
Yes, all listed suppliers offer worldwide logistics via standard courier or freight services. Confirm Incoterm preferences (FOB, EXW, DDP) and ensure proper export documentation for electronic hardware.
Are free samples available?
Free samples are uncommon; most suppliers charge a nominal fee recoverable against future bulk orders. Sample costs typically range from $5–$20 per unit depending on complexity.
How to initiate customization requests?
Submit detailed requirements including PCB layout modifications, firmware version, boot screen assets, enclosure color, and packaging design. Suppliers with stated customization tags can typically return engineering proposals within 48–72 hours.









