Description: If, like many scanner enthusiasts and ham operators, you are interested in listening in on all the excitement manifest in aeronautical communication, but lack the equipment to pursue your...
Description: The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency can...
Description: After installing the bracket, sensor, and single-chip control board, power on, then the LCD displays 2 lines, the first line is fixed as: welcome to use. The weight...
DIY LED Digital Watch Electronic Clock Kit With Transparent Cover. Feature: Operating voltage: 3V; Power supply: CR2025 button battery (as gift for testing, inevitably there are additional factors causing...
Data: 1. Voltage: 4V-12V (over voltage will burn). 2. Support one-key switch. 3. Support automatic shutdown (will automatically shut down when not in use). 4. Support pulse time adjustment (a...
Feature: This is an R3 HC-SR04 Development Board starter kit, adds more components to achieve more features and experiments. You'll learn and build a lot of creative projects with this kit. Start...
Description:
DIY Music Spectrum Bluetooth Speaker Two-channel Audio MP3 Mini Amplifier Electronic Production Kit -2021.
Features:
3.7-5V DC power supply to automatically play music.
3W+3W stereo power amplifier.
Support Bluetooth.
Support power-off memory.
TF memory card/U disk to play music.
Package Included:
1 x Music Spectrum Kit
