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Little bear sect manual query and ADC in-depth study

2022-07-02 06:02:00 【weixin_ fifty million seventeen thousand four hundred and forty】

Development board function introduction

BearPi-HM Nano The development board is specially designed for Hongmeng OS Design HarmonyOS Development board , On board height set
Yes 2.4GHz WLAN SoC chip Hi3861, Parallel onboard NFC Circuit and standard E53 Interface , The standard E53 Pick up
Expandable smart home 、 Smart desk lamp 、 Intelligent security 、 Intelligent smoke detector and other cases .
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Schematic diagram of key circuit
BearPi-HM Nano The development board provides a reset button and two user buttons , In the schematic diagram SW1 Corresponding to the reset button ,SW2 and SW3 They correspond to each other F1 and F2 Key .
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LED Schematic diagram of lamp circuit
BearPi-HM Nano The development board provides a user controllable LED The lamp , It can be used for GPIO Output 、PWM Output and other experiments .
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E53 Interface electrical standards
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test ADC0 and ADC2 Use

The interface is introduced
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code
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ADC0 Hardware measurement
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ADC2 Hardware measurement
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