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Line Follower ROBOT

Thursday, August 17, 2006

I designed my Robot, which use two motors control rear wheels and the single front wheel is free. It has 4-infrared sensors on the bottom for detect black tracking tape, when the sensors detected black color, output of comparator, LM324 is low logic and the other the output is high.

Microcontrollor AT89C2051 and H-Bridge driver L293D were used to control direction and speed of motor.

posted by yeni_nr @ 6:59 PM 2 comments

REMOTE[RS232] Using Easy-Server V0.9

A diagram shown above was to demonstrate the use of Easy-Server V0.9 to connect PIC16F84 chip through internet terminal. A PIC16F84 receives and sends ascii character as a command or data via a 9600 8n1 serial port, COM1 say, to a PC having IP address. The Easy-Server run on PC under Windows 95,98,NT, forms a TCP/IP stack and sends over the internet network. Wherever you find internet terminal, use Telnet to connect the PIC16F84, with IP address of the PC and Port 8888, say. We then can set/clear LEDs (LED1, LED2), turn electromechanical RELAY (K1) on/off or read digital input (S1,S2) definitely around the Earth. Many have ask me what for? I said just for fun. I suppose after reading and making the circuit, you may got others useful idea, say Telemetering, Remote control, Alert signaling. Please send me your project, I shall provide for others. Link

posted by yeni_nr @ 6:51 PM 0 comments

New Schematics

Friday, August 04, 2006

Talking PIC - based on SP0256

Temperature controlled based on AT89CX051

Tony Nixons Pocket Programmer (PIC)

Tutorial board for PIC16F84A microcontroller

Ultra low-cost programmer for AT90S family

USB and GLCD expansion board for 8051 SBC

Victoria TAFE programmer (based on AT89C2051)

Way small web server

Wisp628 ISP Microchip PIC Programmer

WLoader - PIC16F877 application loader / bootloader

Zilog Z80 thermostat embedded web server

posted by yeni_nr @ 6:11 PM 0 comments

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