Adormi Melodious Door Bell

Want to change the electronic buzzing sound of calling bells? Bring home this Melodious Doorbell DIY kit from Adormi. The assembled circuit will generate soothing music which is suitable for home and commercial applications. DIY kit The kit contains electronic components such as a transistor, diode, integrated circuit, printed circuit board, 9V battery and all other required components, along with a pictorial guide, interactive classroom circuit theory, creativity corner with project ideas and instructional videos. Learning objectives The kit helps to understand core concepts in principle of digital memory, learn technological fundamentals of resistors, capacitors, transistors, diodes and speakers, and will introduce school topics of electronics, sound and waves.