Electronic LED Candle

This reference design is a simple electronic LED candle that is well suited for birthday occasion. It acts like a real candle, which constantly flickers and changes its light intensity depending on the airflow. It has 9 LEDs, which blinks at random period and phase that can also be blown by the user as if it is a real candle. It specially uses the C&K’s PTS830GM140 tactile switch, a micro-miniature switch with low profile and high actuation forces designed for wearable electronics. It features extremely low start-up voltage and high output voltage accuracy. Read more

Mobile Phone SiSonic Microphone Interface

The mobile phone is one of the most electronic device today. It continue to be developed that some of them are build with sophistication. However, the major purpose of the device stay the same, it is to communicate to other people that has the device. In the communication, the device uses a microphone as the receiver of the voice information or any sound information. In this design, it features a SiSonic microphone that has high Signal-to-Noise Ratio(SNR) while maintaining matched sensitivity. It is in a small package with omnidirectional and flat frequency response features that can be integrated to different applications.