Public Domain
I2C/Serial Bi-Directional device to safely connect 5V MCUs to 3.3v Modules
If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. This bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time.
| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
|---|---|---|---|---|---|
| 1 | V_REG_LM1117SOT223 | U1 | SOT223 | 1 | ? |
| 2 | 10u | C1,C2 | 0805 | 2 | ? |
| 3 | BSS138 | Q2,Q1 | SOT-23-3 | 2 | BSS138 |
| 4 | 10k | R3,R4,R1,R2 | 0805R | 4 | ? |
| 5 | 150 | R7 | 0805R | 1 | ? |
| 6 | E6C0805UG | LED1 | LED-0805 | 1 | E6C0805UR |
| 7 | I2C High | H1 | DIP-1X4P2.54 | 1 | 220S-1*4P H=8.5MM Ytype Gold-plated |
| 8 | I2C Low | H2 | DIP-1X4P2.54 | 1 | 220S-1*4P H=8.5MM Ytype Gold-plated |
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