Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Main Chip	WCH CH347T
Interface	USB 3.0 Type-C
Supported Protocols	I2C, SPI, JTAG, GPIO, UART
Operating Voltage	3.3V / 5V Selectable
Max SPI Frequency	Up to 30MHz
PCB Dimensions	55mm x 25mm
Pin Spacing	2.54mm Standard Header
OS Compatibility	Windows, Linux, macOS
ESD Protection	Yes, Built-in
Package Weight	15 grams

5 reviews

Anonymous

Apr 05, 2026

Rating: 5/5

Excellent JTAG Performance

Stable connection during firmware debugging. Drivers were easy to install on Windows 10. Highly recommend for embedded development tasks.

Anonymous

Mar 30, 2026

Rating: 5/5

Fast USB 3.0 speeds

Compared to older USB-to-serial adapters, this is much faster. Stable connection during long programming sessions.

Anonymous

Feb 24, 2026

Rating: 5/5

Linux support is solid

Plug and play on Ubuntu 22.04. No extra configuration needed for SPI communication. Very happy with the compatibility.

Anonymous

Feb 22, 2026

Rating: 4/5

Learning curve but powerful

Took me some time to configure the GPIOs but the documentation helped. Good tool for learning microcontroller interfaces.

Anonymous

Feb 14, 2026

Rating: 4/5

Good value for money

The board works well for I2C projects. Pinout diagram could be clearer in the manual but overall satisfied with the purchase.

5 FAQ

Q: Can it program ESP32 chips?

A: It supports UART and SPI, so it can be used for flashing depending on the specific bootloader requirements of the ESP32.

Q: Is JTAG voltage adjustable?

A: Yes, there is a jumper on the board to select between 3.3V and 5V logic levels for compatibility.

Q: What is the current output limit?

A: The 3.3V pin can supply up to 500mA, which is suitable for most logic circuits and sensors.

Q: Is the USB cable included?

A: Yes, a USB Type-C cable is included in the package along with the development board.

Q: Does this work with Windows 11?

A: Yes, drivers are compatible with Windows 11, 10, and 7. You can download the latest drivers from the manufacturer website.

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