Wireless-Doorbell
- Reference Design
RL78/G11 Wireless Doorbell
The wireless doorbell application uses Sub-GHz radio communication to notify the remote receiver when the doorbell is pressed. Both the transmitter and receiver are equipped with the RL78/G1H Sub-GHz radio communication module, RL78/G11, for control. When a button on the transmitter is pressed, the LED lights up and wireless communication begins. When the receiver receives the signal from the transmitter, the LED starts blinking and the speaker emits a sound. The wireless doorbell is suitable for use in homes and offices.
A single output load dropout regulator (LDO), the ISL80505, is used to manage the receiver's power; the ISL80505 can provide up to 500mA of output current at 1.8V to 6V input, providing a very stable voltage.
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Manufacturer | Categories | Application |
---|---|---|
![]() Renesas Electronics |
Microcontrollers | Smart City/Home |