Hardware connection of micro: bit transmitter.
Hardware connection of micro: bit receiver
STEP2: Get to know about wireless transmission module
STEP3: Program the transmitter
1. The following flow chart can give us a roughly idea of how to write the program.
STEP4: Program the receiver
1. Draw the flow chart, design the receiver programs.
2. Programming according to the flow chart.
1. When there is someone passing by but not ringing the bell:
2. When there is someone ringing the bell