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4x20 lcd display c51 program
Hi
all of charachter LCDs are similar to each other, in their read,write and commands.
all of charachter LCDs like 2x16,1x20,4x16,4x20,... have 16 pin's like a lcd that you sent it's picture.
i drived 2x16 lcd later and 4x20 charachter LCD with AVR recently.
maybe...
Hi
I think you should make a software that take your file and encode this data to ascii codes then send them with sms and in receiver decode this ascii codes again.
lcd contrast voltage adjust digital potentiometer
Hi
I used AVR PWM for DAC later, therefor cause LCD contrast adjust with a voltage from 0 to about 5 v , you can use this dac for do this.
the frequency is not important but use fast pwm mode.
for covert the pulse to analog voltage, use low past...
ade7758 source code
Hi
i made a multi transducer with this energy meter chip that can measuring Vrms,Irms,active power,reactive power, power factor, active energy and reactive energy, i used and ATmega32 for this project. and i show the result in 4 seven segments.
now it's using in a power...
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