7 segment display

hi there, Iv'e salvaged a 7 segment display and i comes with an ht1668 driver ic with half duplex spi for communication, i was reading the datasheet and understood the communication side, but couldn't understand how and where data should be written to the driver, the datasheet doesnt provide...

Hi, I need help with writing a state table of 7 segment with 4-bit input A,B, C "Present state", and x "Input".

Im trying to put a bcd input into a 7 segement display, but as it only shows the numbers 4 to 8 correctly, in all other numbers all of the segments are on, does anyone knows why? you can see the binary input on the right video...

I am using seven segment in my project and i was using common cathode and using npn transistor i was able to switch by making arduino pin HIGH. But now i want to display the data on seven segment when i make the pin as LOW. I mean i want to select the Segment when i will make it LOW. i was...

Hey, I'm new to electronics, and for one of my projects, I'm supposed to design an Ultrasonic Rangefinder using Analog components only! The components include the 555 timers, SN74HC chips (specifically the 4 bit counter), 7 segment display and etc. Most of the guides I have found online use an...

I'm posting a little data on a 7 segment display because I didn't know which was pin one and some of you may have the same problem. It is for the 5611 a h. Looking from the back of the display upright pin one (1) is on the lower right corner and represents the E segment. You increment from right...