DAOKI 84x84 Nokia 5110 LCD Module with Blue Backlight - Ideal for Arduino UNO Mega Prototype - Improved SEO Review

Backlight not working. the screen works perfectly. Use on 3.3 volt Arduino mkr1000. sent a message to the seller. asked for a photo. sent the circuit diagram as below. 1 week no response.

Graphics works well with good contrast. And that's important here because the backlight doesn't work at all. If you don't need a backlight, this is a good price for an acceptable device. Please note that the pinout is different from the SparkFun version.

Received 2 of these devices - none worked. These are additional displays that are inserted into a new circuit board. One showed a partial reading when pressure was applied to the metal bezel, but perfect pressure cannot be achieved and thus the reading was unreliable.

The blue backlight is bright and the display is fairly clear. I have two of these and after a few months I haven't had any problems with either of them. Note for Arduino users: if you can't get the screen to work, be sure to experiment with the contrast values when using Adafruit. Library!

I ordered two of these display modules, both were defective. One screen displayed the entire screen with partial recording in a few lines and the backlight LEDs did not work. The second screen shows all lines correctly, but the backlight does not work. These items are non-refundable which is not stated in the item description on the Revain product page.

I've tried over a dozen different sketches to use with this one, but all I got was backlighting, no icons. I would buy another one but it took so long to get this one and the price was a bit high so I'll try another type and see if I can get a print out. Beginning. I guess I'll go to AliExpress and order 3 or 4 so maybe I'll get 1 good one. Given that I have to wait for them the same amount of time, I might save some money.