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BB-CH340T




USB to Serial converter with CH340T IC, suitable for breadboarding
BB-CH340T is
OSHW certified Open Source Hardware with UID BG000069.
Price | 3.95 EUR |
---|---|
10 - 49 pcs | 3.56 EUR |
50 - 10000 pcs | 3.16 EUR |
USB <-> serial converter with 3.3V or 5V voltage selection (both powering and serial lines)
FEATURES
- Implements CH340, popular chip with good software support
- Fully open hardware design
- USB mini connector - USB 2.0 full speed compatible
- Serial interface with variable baud rate - 50 bps to 2Mbps
- Breadboard-friendly - 4 pin 0.1" header
- Extracts power from the USB - can provide either up to 80mA@3.3V or up to 450mA@5V
- 3.3V or 5V output controlled by an SMT jumper - soldered by default to 3.3V
- Serial datalines (RXD and TXD) kept at same voltage levels as the selected voltage output
- PCB dimensions: (1000 x 1050)mil ~ (25.5 x 26.5)mm
DOCUMENTS
HARDWARE
- KiCAD schematic and board files
- Schematic in PDF format
FAQ
- BB-CH340T doesn't work well with bauds over 115200. What to do?
- Some older drivers might have wrong timings, causing worse throughput. Download and install the latest drivers for CH340. If you are using Linux make sure to try with these drivers: high-speed driver for Linux