Description:  Level Indicator Kit Voice Control Level Light DIY Audio Spectrum LM3914 Level Indicator Kit -2021.    Specifications:  Kit name: Audio level indicator;  Working voltage: DC3-12V;  Working current: static <=15mA,...

Specifications: 1. OLED display, no need backlight, self-illumination. 2. The display performance is better than the traditional LCD display, also lower consumption. 3. Driver IC: SSD1306. 4. Size: 0.91 inch...

Specifications:  1. OLED display, no need backlight, self-illumination.  2. The display performance is better than the traditional LCD display, also lower consumption.  3. Driver IC: SSD1306.  4. Size: 0.91 inch...

Feature:   Kit model: SMD-P.  Operating voltage: 4.5~5V.  PCB thickness: 1.6mm.  Dimensions: 91.4*60mm.    Package included:   3 x SMD Component Soldering Practice Board

Description:   This circuit is tailor-made according to the characteristics of KT0837. The circuit selection and volume are controlled in both directions. In addition, the power supply is directly connected...

Specifications:  1. OLED display, no need backlight, self-illumination.  2. The display performance is better than the traditional LCD display, also lower consumption.  3. Driver IC: SSD1306.  4. Size: 0.91 inch...

Descriptions:  DIY 12V Automatic Watering Module Kit Soil Moisture Sensor With Time Delay -2021.     Advantages introduction:  1. With delay function, delay 3 to 5 seconds, when the humidity is...

Feature:  Built-in MP3 music function. 3W amplifier + 3W speaker. Can insert TF memory card to play music. Can insert U disk to play music. Built-in MP3 music volume can...