Correct PIN → Displays "Access Granted", unlocks the servo (90°) for 5 seconds, and gives a confirmation beep. Wrong PIN → Displays "Access Denied" and triggers ...
Waveshare has recently introduced ESP32-S3-Touch-LCD-3.49, an ESP32-S3-based wide touch display (640×172) development board ...
There are still no signs of an Apple smart display — but that doesn’t mean Apple has written off the smart home. Far from it. Apple Home (sometimes called Apple HomeKit) is one of the most popular ...
Hosted on MSN
What is PWM dimming, and what are the alternatives?
Have you ever looked at your phone and gotten a headache? Sometimes, it just means you've been on it too long and need to take a break. For some folks like me, it's the display itself that's causing ...
To update an old saying for the modern day, one man’s e-waste is another man’s bill of materials. Upcycling has always been in the hacker’s toolkit, and cellphones provide a wealth of resources for ...
LiquidCrystal Arduino library for I2C LCD displays used for STEM schools. Tested on HD44780 LCD connected to PCF8574 I2C.
Abstract: This paper proposes a novel voltage measurement technique for LCD driver testing by the use of the logic test channel of an ATE. The method is able to ...
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