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4-channel I2C-safe Bi-directional Logic Level Converter - BSS138

Ever wanted to use an Arduino compatible device with Raspberry Pi or vice versa? Now you can! Just pop in this Logic Level converter to connect 3.3V and 5V circuits seamlessly including I2C and TTL Serial Signals! 5V inputs get pulled down to 3.3V levels and 3.3V signals get boosted to 5V!

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Tinkersphere

TS2567

$3.90

Use this Logic Level Converter to connect devices that run on 3.3V and 5V logic with ease! Just place one of these logic level converters between your 3.3V and 5V devices such as Raspberry Pi and Arduino respectively and you won't have to worry about matching voltages. Just connect the Lower Voltage Power to LV, the Higher Voltage to HV and the Ground for both to GND on each side to get it set up. You'll then have 4 Channels where L1 is converted to H1 and L2 is converted to H2 etc. Supports I2C and TTL Serial Signals. Comes pre-assembled so no soldering is required.

Pinout:

  • L1-4: Low Level Signals 1-4 (connects to your Low Powered Circuit such as Raspberry Pi GPIO)
  • H1-4: High Level Signals 1-4 (connects to your High Powered Circuit such as Arduino)
  • LV: Low Level Power (3.3V)
  • HV: High Level Power (5V)
  • GND: Ground (0V)

 

This level converter also works with 2.8V and 1.8V devices. Just change the voltage on LV as necessary.