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H11AA1 zero cross detector forward current
I want to connect zero cross detector H11AA1 on the secondary side of transformer 6.3vac. I have seen some circuits with 750ohm + 750ohm resistors between transformer secondary and H11AA1 i.e about 4ma current. But the datasheet shows forward...
This webpage describes a simple technique to display characters from both internal character generator and user designed chracters on an LCD. The Hitachi HD44780U or a compatible controller is used here in 8-bit interface mode. The program code given here defines the custom characters and loads...
Re: connect lcd 16x4 to 89c51
In this webpage, we describe how a display using the popular KS0108B controller can be driven by an 8051 or compatible microcontroller. Here we have used 128x64 pixels graphic display module with KS0108B display driver.
**broken link removed**
there is tutorial in samples folder interfacing PIC16f8877 with LCD.they are using d39 file instead of .hex formatt .How to create d39 formatt from hex file or the C file
transformer design smps
So,the output voltage obtained are regulated in SMPS even though the input AC voltages vary.The need is of 50W 12V,5V.
Now is it necessary to filter input AC voltage.Can I use direct 350V dc supply and than convert it to 12V using isolated flyback SMPS.
Which power...
laminated transformer design
If the space is not the major concern than which power supply is better smps or step down transformer power supply for 12V,5V 30W. Which is more stable and cost effective.
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