The SparkFun Qwiic OLED Arduino Library is a single graphics module that supports all SparkFun OLED boards based on the SSD1306 from Solomon Systech. Prior to this library, three different libraries ...

Waveshare ESP32-S3-Touch-AMOLED-1.8 is an ESP32-S3 development board with an AMOLED display and AI audio support fully housed in a plastic enclosure. The most interesting feature of this devkit is its ...

The vPlayer is an ESP32-S3 touchscreen video display that can be used for continuous MJPEG video playback from a microSD card. It features a 280 x 240 1.69-inch smartwatch-sized touchscreen display ...

Considering the quality of life, manpower, and expenditure, an IoT-based health monitoring system has been proposed and implemented. Devices are placed on the human body to collect data, which is then ...

// The lines below are for the Firmware Version info displayed on the MPPT's LCD Menu Interface // #define buck_IN 33 //SYSTEM PARAMETER - Buck MOSFET Driver PWM Pin #define buck_EN 32 //SYSTEM ...

We're building an Arduino automatic pet feeder today that feeds your pet automatically at scheduled times. This complete automatic pet feeder project incorporates a DS3231 RTC (Real Time Clock) Module ...

One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.

RF log detector/controller AD8317 and an Arduino Nano make a compact RF Power Meter possible. The RF front-end is a 4-layer break-out-board with SMA. Based on: https ...

I own some frequency counters and signal generators, but when measuring one with another they do not show the same frequency on their display. The do not seem to be very accurate, all of them have ...

Vehicle Tracking systems are very commonly used in fleet management and asset tracking applications. Today these systems can not only track the location of the vehicle but can also report the speed ...

To easily implement digital data collection methods in class, devices like the low-cost solution “Chemduino” have been proposed earlier in this Journal. In this paper, we demonstrate how to apply the ...