7Semi BSS138 4-Ch I2C Bi-directional Logic Level Converter Breakout
7Semi BSS138 4-Ch I2C Bi-directional Logic Level Converter Breakout
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A 4-channel bi-directional logic level converter using BSS138 MOSFETs with onboard 10K pull-ups, safely bridging devices running at different voltages — commonly 3.3V and 5V. Works for I2C as well as TTL serial and slower SPI (under 2MHz).
- 4 independent bi-directional channels
- BSS138 MOSFET-based level shifting, 1.8V–10V range
- Supports I2C, TTL serial and slow SPI
- Fully assembled with 6-pin headers included
The standard fix when a 3.3V sensor needs to talk to a 5V Arduino, or vice versa — wire it in between and stop worrying about voltage mismatches frying a sensor. Its compact assembled form factor drops straight onto a breadboard without any extra soldering required.
Country of origin: China
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