Bluetooth development board, Bluetooth keyboard development board. 1. The main control adopts nrf52832, which has the characteristics of high power, high stability and low delay. 2. All ios of nrf52832 have been exported to facilitate development. The mini size of 3.4.2*4.2cm has a wider range of applications. 5.jink download port has been introduced. 6. Contains reset circuit, download circuit, work indication circuit, etc. Not much to say, the picture above:
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