how to build a remote control keypad

hello I want to create a remote control keypad with 8051 , could you help me ergently , please.i want to know what kind of bolck can i use and how to join them to each other. thanks
how to build a remote control keypad

hello I want to create a remote control keypad with 8051 , could you help me ergently , please.i want to know what kind of bolck can i use and how to join them to each other. thanks
Infrared Remote control

I found in a local market an Infrared Remotecontrol built around 89c2051 controller which controls 5 Lights(loads) and One Fan with speed control.Can U guess Or explain Hows this Happening.If possible...
Infrared Remote control

I found in a local market an Infrared Remotecontrol built around 89c2051 controller which controls 5 Lights(loads) and One Fan with speed control.Can U guess Or explain Hows this Happening.If possible...
Wireless remote control car

We are tryin to make a wireless remote controlled car. the components we are using are: AT89C51RD2 ULN2003 Bipolar stepper motor RF TX-RX 433 MHz HT12E encoder HT12D decoder We are trying to...