The principle of the new intelligent luminous ear pick is that a micro battery is installed in the handle of the ear pick, and an LED light and a Hall switch are connected in series through the power cord. The Hall switch mainly controls the on/off of the LED, etc. The light beam directly shines into the ear canal, which can make it easier to remove earwax. It has a simple structure and is safe and convenient to use.

As one of the innovations of modern ear cleaning tools, the visual ear pick provides users with a safer and controllable way to maintain ear hygiene. In the design of the visual ear pick, the Hall switch plays a key role, providing users with a smarter and more comfortable experience. Since the luminous ear pick is small in size and battery-powered, the Hall switch is required to have the characteristics of small size, low power consumption, high sensitivity, and low temperature drift. Recommended model: HS481 full-polarity micro-power Hall switch

HS481 is a non-polar Hall switch based on mixed-signal CMOS technology. This IC uses advanced chopper stabilization technology, so it can provide accurate and stable magnetic switch points.

In terms of circuit design, HS481 provides an embedded controlled clock mechanism to provide a clock source for the Hall device and analog signal processing circuit. At the same time, this controlled clock mechanism can send a control signal to make the circuit with high current consumption enter the "sleep" mode periodically;

Also through this mechanism, the chip is periodically "woken up" and detects the strength of the magnetic field passing through the Hall device according to the predetermined magnetic field strength threshold.

If the magnetic flux density is higher than the "operating point" threshold or lower than the "release point" threshold, the open-drain output transistor is driven and latched into the corresponding state. In the "sleep" cycle, the output transistor is locked in its previous state.

In battery-powered applications, this design provides the best support for extending the working life. The output transistor of HS481 is locked in the on state when there is a certain strong south or north magnetic field facing the package marking side, and is locked in the off state when there is no magnetic field.