Feature: Plastic bag package only. 24 in 1 sensor kit for UN0 R3, this kit includes temperature sensors, rotary encoders, high sensitivity microphones commonly used in study, each module...
Package Included: 1 kit includes: 10 x White LED； 10 x Yellow LED; 10 x Blue LED; 10 x Green LED; 10 x Red LED; 1 x RGB LED; 2 x Photoresistor; 1 x Thermistor; 5 x Diode Rectifier (1N4007); 5 x NPN Transistor (PN2222); 1 x IC 4N35; 1 x IC 74HC595; 10 x Button (small); 1 x Active Buzzer; 1 x Passive Buzzer; 1 x Precision Potentiometer; 10 x 22pf Ceramic Capacitor; 10 x 104 Ceramic Capacitor; 5 x Electrolytic Capacitor (10UF 50V); 5 x Electrolytic Capacitor (100UF 50V); 10 x Resistor (10R); 10 x Resistor (100R); 10 x Resistor (220R); ...
Description:
Power parameters: DC5V (DC power supply).
Driver chip: LM3914, LM358.
Input mode: microphone sound control, 3.5mm audio source cable.
Board size: main board 90*30mm, secondary board 240*30mm.
Finished product weight: 60g.
This kit is a split-type voice-controlled, wire-controlled music level indicator, which is input through microphone induction or earphone socket. The LED light fluctuates to both sides with the middle of the music volume. It is very dynamic, especially when used at night.
Package Included:
1 x 38-Segment Sound Control Music Level Indicator DIY Kit
Working Principle: This is a mini ultrasonic levitation device that can suspend foam balls. The device consists of a single chip microcomputer, a driver chip and two ultrasonic probes. Mainly...
