The post presents a simple cellphone triggered remote control circuit that can be applied as a cellphone operated remote car starter. The unit would cost less than $20 to build. […]
Search Results for: spdt relay
Switching OFF Lights in a Periodic Sequence
The post explains a circuit that will switch off a group of lamps in sequence with a predetermined delay rate, as set by the user through a built in pot. […]
Parallel Battery Charger Circuits Explained
In this post we learn two methods of connecting batteries in parallel. The first one below deals with changeover circuit using SPDT switches to charge multiple batteries individually or collectively. […]
Electronic Component Buying Guide for New Hobbyists
Are you a beginner to electronics? Then here are few guidelines which might help you to buy some really useful components, so that you are always for an electronic and […]
Upgrading Car Parklights to Enhanced DRLs
In this article we learn a simple circuit idea which can be applied in order to convert existing car park lights into advanced, smart DRL system. The idea was requested […]
Fishing YoYo Stop-Motion Switch Circuit with Indicator
The post discusses a stop-motion switch circuit or a strike indicator for aiding fishing yo yo applications. The idea was requested by Mr. Mike. Technical Specifications (kindly bear the long […]