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Home / Development Boards & Control Boards / Uxin Electronics ESP8266 Development Board CH340 ESP8266 Serial WiFi IoT Module
Development Boards & Control Boards

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ESP8266EX
USB-to-Serial Chip CH340
Operating Voltage 3.3V
Input Voltage 5V via Micro USB
Digital I/O Pins 11
Analog Input Pins 1 (A0)
Wi-Fi Standard 802.11 b/g/n
Flash Memory 4MB
Clock Speed 80MHz / 160MHz
Board Size 55mm x 25mm

5 reviews

A

Anonymous

Apr 02, 2026

Rating: 5/5

Bulk buy success

Ordered 10 units for our workshop. All of them are working perfectly.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Perfect for ESPHome

Flashed ESPHome without issues. Stable connection to my router.

A

Anonymous

Mar 03, 2026

Rating: 3/5

Decent but warm

Functions well but gets a bit warm during heavy Wi-Fi usage.

A

Anonymous

Feb 10, 2026

Rating: 4/5

Good value

Great board for the price. Had some trouble with initial upload speed but fixed it.

A

Anonymous

Feb 08, 2026

Rating: 5/5

Excellent for prototyping

Works straight out of the box. The CH340 driver installed easily on Windows.

5 FAQ

Q: Where do I download the CH340 driver?

A: You can find the drivers on the official WCH website or through silicon labs resources.

Q: What power supply do you recommend?

A: We recommend a stable 5V 1A power supply via the Micro USB port.

Q: Can I connect 5V sensors directly?

A: No, the GPIO pins are 3.3V logic. Please use a level shifter for 5V devices.

Q: Is this compatible with Arduino IDE?

A: Yes, this board is fully compatible with the Arduino IDE using the ESP8266 board manager.

Q: Does it have an external antenna port?

A: No, this model relies on the onboard PCB antenna for Wi-Fi connectivity.

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