Product | Product Link | Schematic | Status |
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T -SIM7600X | Product link | Schematic | ✅ |
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pin VIN is a USB input, if a battery is being used to power the device there will be no voltage output from VIN meaning 3.3v is the only power output.
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When using the built-in battery pack the on/off switch will function as normal, supplying/cutting off power to the board, However, if an external battery pack is used and attached to the VBAT pin the on/off switch will be bypassed meaning the only way to shut off will be to disconnect the batteries.
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On/off switch is for battery use only, it will not function when plugged into USB.
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Battery voltage can not be read when plugged into USB using the onboard BAT ADC(35)
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Recommended solar panels are 4.4v to 6v DO NOT EXCEED OR BOARD MAY BE DAMAGED
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When an SD card in you can not upload software in Arduino IDE since the SD card uses IO2 as CS, the SD card must be removed when uploading a new sketch.
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There are two Type-C interfaces on the board, which are ESP32 download port and modem USB. On the back of the board, there are four switches for selection.
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When using ESP32 programming, select as shown below
2.When using a modem to connect a computer to the Internet, select as shown belowClick here for connection method
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