Archive for tag: Electronic bell circuit

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not? Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not? Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]

Loud ringer for phone using KA2411

Audio and Amplifier | By: Diagram mania

This phone is loud ringing tone circuit for generating the electricity bell in the old telephone. This circuit is relatively loud. so can use to replacement the same ringer or the original telephone may be lost. We do not need a new phone. This circuit is easily to build, because it uses a single IC […]

Loud ringer for phone using KA2411

Audio and Amplifier | By: Diagram mania

This phone is loud ringing tone circuit for generating the electricity bell in the old telephone. This circuit is relatively loud. so can use to replacement the same ringer or the original telephone may be lost. We do not need a new phone. This circuit is easily to build, because it uses a single IC […]

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not″ Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not″ Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not″ Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]

Many simple door buzzer sound circuits

Audio and Amplifier | By: Diagram mania

Have you ever had a problem with the front door bell or not″ Are, I am boring old buzzer. When used with directly AC line.Danger of leakage power in the heavy rain. And, doorbell quality is very expensive. I think we try to make yourself better, strange sounds a unique. Cheap equipments. And high performance. […]