Big digital clock circuit without microcontroller
This is Big digital clock circuit without microcontroller, This projects use all CMOS ICs for learn digital and use 7 segment 6 inch LEDs and AC line 50Hz. […] Read more
CD4013 Datasheet | D Flip-flops | Example Circuits
The CD4013 CMOS logic chip contains two D-type (DATA) flip-flops. See its features, pinout, datasheet, truth table, and application circuits. Read more
Infrared Remote control 50 feet 2 Channel
This infrared remote control can control the working of 2 channels or can use to control two Electric appliances, each one on-off freely and a maximum of 300 watts on Control distance is 50 feet. How does it work We will describe the operation of this project into two parts: a transmitter and a receiver. … Read more
Learn simple AND and OR logic gate without IC
Can we use AND and OR logic gate with Diodes? Yes, we can. The past, we have used only a digital logic circuit by IC. But, in truth. We do not need any ICs. Use Switches or Diodes or transistors connected as a logic circuit. Read more
The telephone line status indicator
The telephone line status indicator to prevent the hearing others talk on the phone accidentally and a Protection to making phone calls simultaneously. […] Read more