Mosquito killer bat circuit working principle is explained here. Inside the handle of mosquito killer bat contains a circuit board, and a reachable battery.
How to Build SMPS Transformer | Home Make 12V 10A Switching Power Supply: With the transformer from old computer PSU. I try to make 12V 10A ( SMPS ) at home. I use SprintLayout for make PCB and iron method for make PCB board. In this video you can see me windings the SMPS transformer For easy make PCB you can download my…
Mosquito killer bat circuit working principle is explained here. Inside the handle of mosquito killer bat contains a circuit board, and a reachable battery.
Which Frequency Level is Safer? 60Hz or 50Hz for 230V and 120V Circuits? Capacitance of Human Body. 120V – 50Hz Vs 230V – 60Hz Shock Effects
This article explores the myths and facts about legitimate loudspeaker crossover design in efforts to help consumers make more informed purchasing decisions.
what is a wind turbine? A wind turbine is a device that converts kinetic energy from the wind into electricity. The blades of a wind turbine turn between
Resistor Man: Create this cool piece of art from your electronic parts bin. This makes the perfect christmas present! I have given it to many people over the years, and they all loved it! To guys, it's a really cool gadget. And for girls, it makes a nice piece o…
The PN junction forms a semiconductor device called P-N Junction Diode. A basic tutorial on characteristics and working of PN Junction Diode.
A comparator is a device which is used to sense when an arbitrary varying signal reaches some threshold or reference level.
This is a high voltage, low current power supply capable to deliver 2000VDC output from 15VDC input voltage. It uses the combination of simple step-up transformer and Cockroft-Walton voltage multip…
Build a great sounding FM radio with a cool display using an Arduino Nano and the SparkFun Si4703 FM tuner breakout.
This multitone electronic siren is useful for burglar alarms, reverse horns, etc. It produces five different audio tones and is much more earcatching than
No Solder Vga Extension Cord.: You need a longer vga cable for what ever reason. (Note you have to be careful as this will strain some vga ports). Seen several vga via ethernet extesion cables that use ethernet. Generall they have you soldering pins, but there is a better way. On…
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How to Make a Vibration Sensor : While browsing Instructables I came across teebee918's project where he made 2 different types of "motion" sensors. I continued on the principle of one of the sensors. This sensor consists of a spring on which an iron ball is mounted. When this ball…
Solar Power Bank: Create your very own power bank that can be charged by the sun or via a micro-USB. A custom made 3D printable housing is available at Thingiverse. For more projects like this see my website http://www.cabuu.com and subscribe to my YouTube channel.
