念慈菴

Offline voice desk lamp

Overview

The offline voice desk lamp
has a 5V power input and uses a transistor PWM control circuit. A battery charging and discharging protection circuit can be added (if a battery is added, the brightness will not be as bright, and the voice recognition will not be as sensitive, and the battery is only 4.2V).

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-05-08 20:59:00

How does ADC0808 work???
I want to know how it transmits data. After reading in the data, how is it sent to the output port? ? For example, if the data read in is 3.85, how is it distributed to the output port? ? Urgent
【Comic】Detailed explanation of power supply circuit
The following content comes from TDK Power Electronics World, a total of 22 pages of PPT, which explains what DC and AC are, as well as power supply structure, isolated DC-DC basic circuit and other k
The problem of uneven square wave waveform~~~
I used TLC5615 to make a waveform generator with adjustable frequency and amplitude (using potentiometer), and TLC2543 for AD acquisition. The problems I encountered are: When generating square waves,
Does Verilog have no floating point data?
As title
RC spark eliminator circuit
Use an AC 220V 2-wire normally open proximity switch directly connected to a 220V 3W solenoid valve! The solenoid valve operates 70 times per minute! It is found that the proximity switch often breaks
WinCE 6.0 KITL cannot use debugger
Enable kernel debugger and Enable KITL are selected in Build Options. Target Control Support is added in Core OS Services. The configuration in Target Device Connectivity Options is: Download: None Tr

Datasheet More

Circuits More