Ultrasonic Tx-Rx Tutorial

LED's are great display tools. Their prices have decreased to a point where they are replacing...

The slot machine`s realistic action is provided by seven ICs and three displays, as shown. Two...

This is an improved IR remote control extender circuit. It has high noise immunity, is resistant...

This is a one chip sound level meter that can be use for displaying sound level of an amplifier...

This electronic project stereo amp is based on the STK415-090-E class H audio power amplifier...

This Digital Circuit describes a Digital Blood Pressure Meter concept which uses an integrated...

Just like my previous circuit using LM358 this is also very cheap, also under 100 rupees. This is...

Binary Coded Decimal is a number system that only counts from 0 to 9 and then repeats. The table...

These are two - easy to build - relay-based alarms. You can use them to protect your motorcycle -...