It isn't a very good circuit for voltage detection. While you have calculated for one value of hfe, what about other extremes? And Vbe vari...

Hi all, I am building an alarm clock that will be driven by several PICs and displayed on an LED display. One of my displays requires a fai...

Hello, Operation: Converting an RS 232 signal to TTL signal Description: I know this can be done using the IC MAX232 Problem: I'm search...

Each DS18S20 has it's own address programmed into it during manufacture. At the moment you are probably using a "skip ROM" command (0xCC) s...

I am Sending Data Through GPRS using SIM300DZ I am making connection by Following commands..Through these commands i connect to server succ...

I have Made light dimmer with 89C52 using RC5 Infra red remote VOL+ and VOL- key. RC5 IR interrupt is External Int. 0 timer0 interrupt for...

I am using a PIC24F to receive and decode a signal. I then use the UART to send a packet containing the decoded information to an XBee, whe...