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Build this Mosquito Bat without Battery

This simple homemade mosquito swatter bat neither requires a circuit nor a battery for the operation. The entire design works using a single high voltage capacitor and through quick charging from mains AC socket. (Designed by me) Introduction In a few of my earlier posts I have discussed how to make mosquito zappers using the … Read moreBuild this Mosquito Bat without Battery

Solar, Wind, Hybrid Battery Charger Circuits

The article explains a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs and one output. … Read moreSolar, Wind, Hybrid Battery Charger Circuits

Dual Battery Charger Circuit with Isolator

The post explores an innovative automatic dual battery charger with isolator circuit for alternators and engines, which allows monitoring of the charge levels of two individual batteries, and switching them across the loads appropriately. The idea was requested by Mr. Daz. Technical Specifications Very promising circuits you’ve always shared, actually I always visit your blog coz im also … Read moreDual Battery Charger Circuit with Isolator

Opamp Hysteresis – Calculations and Design Considerations

In most automatic battery charger circuits in this blog you might have seen an opamp with a hysteresis feature included for some crucial function. The following article explains the significance and design techniques for the hysteresis function in opamp circuits. To learn exactly what’s a hysteresis you can refer to this article which explains hysteresis … Read moreOpamp Hysteresis – Calculations and Design Considerations

Sinewave UPS using PIC16F72

The proposed sinewave inverter UPS circuit is built using PIC16F72 microcontroller, some passive electronic components and associated power devices. Data provided by: Mr. hisham bahaa-aldeen Main Features: The main technical features of the discussed PIC16F72 sinewave inverter may be evaluated from the following data: Power output (625/800va) fully customization and can be upgraded to other … Read moreSinewave UPS using PIC16F72