4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.

Unexpected Maker's SQUiXL is a battery-powered ESP32-S3 WiFi and Bluetooth IoT controller and development platform with a ...

Since I had a spare ESP32 lying around, I tried building a smart dashboard that pulls metrics from the other smart devices in ...

The largest public park in the South Bronx was once a refuge in a neighborhood marked by poverty and neglect. Now, many residents actively avoid it. “What’s happening in St. Mary’s Park is a ...

Make the most of your work, games, or movies with the right monitor. Here's how to shop for a new display, plus the best productivity and gaming panels we've tested, backed by hundreds of deep ...

IATA Code and ICAO Code of all airports in South Africa. Scroll down to know more about Louis Trichardt Airport or Louis Trichardt Airport, South Africa. Following are the nearest airports to Louis ...

The SDI12 library code is released under the GNU Lesser Public License (LGPL 2.1) -- See LICENSE-examples.md file for details. Example Arduino sketches are released under the BSD 3-Clause License -- ...

Like in almost every game out there, codes can give you additional summons, currency, or various other useful items. With these Zenless Zone Zero codes you can receive some free Polychrome, Dennies, ...