I recently made a buzzer, using nrf24l01 as a wireless transceiver module, controlled by a single-chip microcomputer. In fact, my ideas were not very clear when I was making it. I looked at the datash...
I have the schematic diagram, but I don't know how to choose the materials. I don't know what type of electronic components should be used. Can someone give me some advice? The current ringing moment ...
How to connect the signal output from the computer headphone jack to the input of ADC0809 [[i] This post was last edited by chinauk on 2011-10-15 16:42 [/i]]...