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  • Adafruit 4-channel I2C-safe Bi-directional Logic Level Converter [ADA757]
Adafruit 4-channel I2C-safe Bi-directional Logic Level Converter [ADA757]

Adafruit 4-channel i2c-safe bi-directional logic level converter [ada757]

Brand:

Adafruit

Product code:

11481111500

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Price:

Rs. 2,900.00 (inclusive of Taxes)

Quantity:

Expected Delivery:

Arrives in 7-21 days ( 6-Dec-20 To 20-Dec-20 )
  • Buy with Confidence: 30 days return, 100% refund guarantee policy
  • Free shipping across India
  • Country of Origin USA
  • Imported, Marketed by: Kiron Marketing, A104, Trillium, Magarpatta City, Pune-411013 support@kironservices.com

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V.We do have some other handy level shifters in the shop, from the DIP 74LVC245 to the fancy bi-directional TXB0108 . However, neither of these are happy to work with I2C, which uses a funky pull-up system to transfer data back and forth. This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note.This breakout has 4 BSS138 FETs with 10K pullups. It works down to 1.8V on the low side, and up to 10V on the high side. The 10K's do make the interface a little more sluggish than using a TXB0108 or 74LVC245 so we suggest checking those out if you need high-speed transfer.While we designed it for use with I2C, this works as well for  TTL Serial,  slow <2MHz SPI, and any other digital interface both uni-directional and bidirectional. Comes with a fully assembled, and tested PCB with 4 full bidirectional converter lines as well as 2 pieces of 6-pin header you can solder on to plug into a breadboard or perfboard.

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