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Comparative Teal Sonic Screwdriver
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| Distributor | Qty 1 | |
|---|---|---|
| Digi-Key | $40.85 | |
| LCSC | $72.84 | |
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copilot
- ESP32-WROOM-32D: Typically operates at 3.3V logic levels.
- SIM7600G-H-M2 R2: Typically operates with 1.8V logic levels on some pins, though it can tolerate higher voltages for specific interfaces.
Need for a Level Shifter:- UART Interface:
- The UART pins on the SIM7600 module generally operate at 1.8V levels.
- To safely connect the 3.3V logic level of the ESP32 UART pins to the 1.8V level of the SIM7600, you should use a level shifter.
Level Shifter Recommendation:- Consider using a bidirectional level shifter like the TXS0108E, which can convert 3.3V to 1.8V and vice versa.
Connection Example:insightsol