The intercom doorbell scheme is based on the development and design of Boke a8101

The intercom doorbell scheme is based on the development and design of Boke a8101

In recent years, the development of smart city has driven the rise of security industry, and video surveillance has become the hottest product. However, in sharp contrast, building intercom is cold. However, with the popularization of intelligence, building intercom has also ushered in spring. In the construction of modern community, intelligent security system has become the symbol of building high-end community, and building intercom has also become one of the main forces to help the construction of intelligent community. Building intercom is being integrated into the tide of smart city construction.

Note: PCBA / reference design + master control nesting is provided, and customization is acceptable

In recent years, the development of smart city has led to the rise of the security industry, and video surveillance has become the hottest product, but in sharp contrast, the indifference of building intercom. However, with the popularization of intelligence, building intercom has also ushered in spring. In the construction of modern community, intelligent security system has become the symbol of building high-end community, and building intercom has also become one of the main forces to help the construction of intelligent community. Building intercom is being integrated into the tide of smart city construction.

For the doorbell intercom scheme, zhe Hua recommends zm2421pa05 / zm2421pa01 and other developable wireless voice transmission modules (click "2.4G wireless module" for details), with the following advantages and characteristics:

1. Support SMT reflow soldering

2. Stable performance and high temperature resistance

3. It can be developed as a wireless product application with 2Mbps rate of about 100m

The complete set of finished PCBA and scheme used by the current customers have the following characteristics:

1. Frequency response range: 20-7200hz

2. Total harmonic distortion: ≤ 1%

3. Power consumption: 36ma at the transmitter and 28ma at the receiver. (RF = 10dB)

4. Straight line distance. > 50m (RF = 10dB)

Overview of intercom doorbell transmission scheme:

This scheme is based on a 2.4G one-to-one voice transmission scheme developed and designed by Yanke chip a8101, which is mainly aimed at the wireless voice transmission application market.

Functional features of intercom doorbell transmission scheme:

1. Single chip SOC has simple architecture and is easy to develop

2. Uncompressed 16bit 16K audio sampling makes audio transmission clearer

3. Transmitting and receiving automatic code alignment, simple and convenient

4. Multi gear power is optional, and the distance can be adjusted for a variety of options

5. Automatic intelligent frequency hopping, stronger anti-interference

Support hardware design customization, schematic diagram and reference application, and provide mass production test tools.