◇ Built-in microphone amplifier circuit; ◇ Built-in 32 Ω speaker driver circuit; ◇ Built-in digital volume control (15 levels) circuit; ◇ You can choose digital or analog input mode to change th
Can't the chat routine provided by BlueNRG directly put notification and writing in the same characteristic? When testing, two-way communication cannot be normal. If anyone knows, please let me know.
I encountered a strange thing. The timing of reading DS1302 on the development board was inconsistent with that on the datasheet, but it could read and write normally. After I rewrote it according to