Explore the Top 10 Dev Boards Under $10: 757

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As one of the top 10 development boards under $10, the 757 from Adafruit has a lot to offer.

An I2C-safe, bi-directional level shifter for Arduino and other 5V devices that need to be used with sensors, displays, flash cards, modes, and other applications that are still 3.3V only.


Price: $3.49

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Adafruit Industries Development Kits and Tools View


With the capacity to work down to 1.8V on the low side or up to 10V on the high side, this quarter sized development board is perfect for makers that need to perform level shifting or conversion within that range. It works well with any digital interface, such as the TTL Serial or slow <2Mhz SPI and comes with a fully assembled and tested PCB with 4 full bidirectional converter lines you can solder on to plug into a breadboard or perfboard.

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