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New Arrival—T-Call & PMU

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Time: 2020-04-22
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New Arrival—T-Call & PMU 


T-Call & PMU and T-Call V1.3 comparison:

AXP192 is the power supply used on the T-Call & PMU board. It is an upgraded version of T-Call V1.3:
1. Change the power IC to AXP192 PMU management, support coulomb counter and high precision voltage and current Test function.
2. SIM800L RI Pin leads to ESP32, can accept voice or data calls, Wake up from received message.
3. The SIM800L DTR Pin leads to SP32, which can wake up SIMM800L from sleep state.


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