8254 Programmable Interval Timer Counter
2017-09-22
I am doing final year b.tech, i am doing project on 8254 controller. please can u give me information about it. -thanks in advance. from SA 8254 Timer and CounterRead More
Isolated RS232 interface to Microcontroller
2017-02-05
I’ve seen on the net the schematics for RS232 with Opto-Isolation. The supply on the PC side is from the PC. The supply from the line side is external? I’veRead More
555 watchdog for uC and uP systems
2016-10-23
When the microcontroller hangs due to a spike, EMI or RFI etc. the 7555 will reset the uC, if proper power supply design is done above circuit can also giveRead More
uC Board is Buggy on Brown Out
2015-05-14
I’m working on a project which involves battery Ni-Mh 4×1.2v, 2100mAh], which power-ups the boards. The current consumption is about 150mA. Now what I wish to do is disconect theRead More
