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Description
BDD ESP8266 RELAY 2CH 5/28V 30ATwo Channel ESP8266 30A Relay WiFi Module Board. Based on the ESP 12F WiFi Module. Has A 30A Relay. Power Supply DC 7 28V OR 5V ESP8266 30A Relay WiFi Module Board Features A dual channel relay WiFi module based on the ESP 12F WiFi module and two 30A relays Mature and stable ESP 12F WiFi module on board, 4MB flash. The I O port of the WiFi module and the UART program transfer port are all driven out. It is convenient for secondary development. Power
Two Channel ESP8266 30A Relay WiFi Module Board. Based on the ESP-12F WiFi Module. Has A 30A Relay. Power Supply DC 7 - 28V OR 5V
ESP8266 30A Relay WiFi Module Board
Features
A dual channel relay WiFi module based on the ESP-12F WiFi module and two 30A relays
- Mature and stable ESP-12F WiFi module on board, 4MB flash.
- The I/O port of the WiFi module and the UART program transfer port are all driven out. It is convenient for secondary development.
- Power supply DC7-28V / 5V.
- Onboard is a WiFi module RST reset button and a programmable button.
- ESP-12F supports the use of Eclipse/IDE and other development tools and provides reference programs in development environment
- On board are two 5V/30A relays which are suitable for controlling loads within AC 250V/DC30V voltage range.
- Onboard a power indicator, a relay indicator. The ESP-12F comes with a programmable LED.
- Board size: 83*68mm
Additional Information
| Device | WiFi Module Board |
| Type | ESP8266 | 30A | Relay | 2CH |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too.
Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Great product
Size: Large, Color: (035) Steel / White / Black
Comfortable fit perfect
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Quality No Show Socks That Are Comfortable and Durable
Size: Large, Color: (100) White / White / Black
These Under Armour no show socks are great for everyday training and casual wear. The cotton blend feels comfortable and they stay in place throughout the day. Getting six pairs in a pack is solid value for a quality brand. They hold up well after multiple washes and the no show style works great with most athletic shoes. A reliable go-to sock.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions.
One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit
Size: Large, Color: (100) White / White / Black
Durable and comfortable. Size works well. Very soft with nice thickness for training. Fairly long lasting
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Reviewed in the United States on February 12, 2026