The explained Ultrasonic Pest repeller is a device that generates ultrasound or a very high frequency noise in the range of over 20 kHz which becomes useful for repelling or scaring away animals like … [Read more...] about Ultrasonic Pest Repellent Circuit
How to Repair Mosquito Swatter Bats
Repairing a mosquito bat is a process in which a malfunctioning mosquito bat is checked for faults using meters and restored to its earlier working condition. This post provides some general tips … [Read more...] about How to Repair Mosquito Swatter Bats
Pressure Cooker Whistle Counter Circuit
This circuit is designed to sense the whistles from a pressure cooker and count the number over a digital display. The system relieves the user from the stress of constantly monitoring the cooker and … [Read more...] about Pressure Cooker Whistle Counter Circuit
4 Simple Clap Switch Circuits [Tested]
The clap switch circuits explained here will toggle a connected load ON and OFF in response to alternate clap sounds? Here we discuss 4 unique and simple designs which can be selected as per user … [Read more...] about 4 Simple Clap Switch Circuits [Tested]
5 KVA to 10 KVA Automatic Voltage Stabilizer – 220 Volts, 120 Volts
Voltage stabilizer in the range of kVAs are powerful AC voltage stabilizer units specially designed for controlling and stabilizing high voltage fluctuations, for high power electrical … [Read more...] about 5 KVA to 10 KVA Automatic Voltage Stabilizer – 220 Volts, 120 Volts
Remote Control Tester Circuit
We all use remote control handsets for controlling various household devices such as TV, AC, Music systems, curtains etc, and sometimes we seem to have problems with these devices, or even a newly … [Read more...] about Remote Control Tester Circuit