dmic "GD-DFA263(GETTOP/共达电声股份有限公司)" use method of soft-i2s (IO pull hi/pull lo) to record speech and send to PC through uart interface
最近更新: 3年前use TI's GPIO extension chip(pcf8574, own 8 IOs) to drive 4x4 matrix keypad(4 output, 4 input)，base on bluex rf04/sdk3 I2C driver
最近更新: 3年前Telink 蓝牙芯片SIG Mesh SDK，可对接天猫精灵，小爱同学等
最近更新: 4年多前
