Mains Stability and Supply Regulation
I have problem with my power supply… . The power supply uses LM317 and TIP2955 and the unstable AC net here causes the output to drop sometimes below 5V. The normally output is 13,5V....
Monthly Archive: September 2017
8254 Programmable Interval Timer Counter
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 Counter Board – This is a photo...
Milli Volt Source for Printer Port
This circuit uses a R-2R Ladder Resistor Network to convert digital data from PC Printer Port to Analog. This can be used as a Millivolt Source or Programmable Power Supply. This circuit is a...
Connection Diagram of AC Control SSR
SSR or Solid State Relay or Electronic Relay Connection Method. This is a Thyristor Based Normally Open 230V Switch that can be turned on / off at a fast rate. This switches at Zero...
Analog Blind Dial On Delay Timer
It is called analog dial timer as it has no digital display, but the chip is digital it is CD4541. It is Mains operated, you could make on-delay or off-delay. By changing the caps...
