Saturday, June 6, 2015

Better Bird Scarer (Repeller) Project by T.K. Hareendran

Robotronicdiagram. - Here is Better Bird Scarer (Repeller) Project that wrote by T.K. Hareendran. The heart of the circuit is a digital counter of the type 4060 (IC1), a so called binary counter with an internal clock oscillator. At first, CT outputs of IC1 are zero and it then runs through all the digital counter values. This happens at a rate set by the RC network (R1-C3-R2) connected to pins 9 to 11. Q7 output (pin 6) of IC1 drives the loud speaker (LS1). For the loud speaker I used an 8-Ohm, mylar-diaphragm version.

Circuit Diagram

bird repeller circuit
Source: Electroschematics

Component List
  1. 4060N IC
  2. See all component from circuit diagram above.


Every hobby gardener often think some form of bird-scarer (repeller) can be helpful at certain times of the year to protect the crops. Don’t worry — I am not planning to reinvent the traditional scarecrow stuffed with straw, usually found in the middle of a farmer’s field to protect fruits and vegetables.

But then here is an inexpensive circuit which periodically produces a loud creak to scare birds. The design, consumes moderate power, is built around a common integrated circuit and an ordinary electro-acoustic transducer. Please read more from the source below.

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