Generic Adjustable Transistor Astable Multivibrator Circuit Learn Kit, Led Flashing, Practical Soldering Project Kit  (Multicolor)

Adjustable Transistor Astable Multivibrator Circuit Learn Kit, LED Flashing, Practical Soldering Project Kit Adjustable Transistor Astable Multivibrator Circuit Learn Kit. | PCB size: 40mm x 50mm. | Work voltage: DC 3 ~ 15V. | LED flashing cycle time: 0.12 ~ 5 second adjustable. Adjustable Transistor Astable Multivibrator Circuit Learn Kit. This is an intuitive, simple and inexpensive circuit kit?both exercise your soldering skills, also profound learning transistor astable multivibrator circuit. adjustable LED flashes cycle time, will attract and enhance students' interest in learning?intuitive PCB component placement position, even without the schematic, you will also be able to easily understand the circuit. the kit included a 9V battery snap wire, but 9V battery is not included. PCB size: 40mm x 50mm. Work voltage: DC 3 ~ 15V. LED flashing cycle time: 0.12 ~ 5 second adjustable. Specification: http://www.audiowind.com/pdf/E-105.pdf, No paper specifications, please download this document. ?