Code samples and documentation for the DS130X library common to the DS1302 and DS1307 RTCs
Articles
Using the DS1302 real-time clock (RTC) with Arduino
Displaying graphics and text on the SSD1306 display with Arduino
Creating a web page with the Arduino and Ethernet shield to control I/O pins
Using the Ethernet shield with an Arduino as a web server
Scanning and listing all connected I2C devices from the Arduino
Using the Seven-Segment Shield's display, EEPROM, temperature sensor, and RGB LED with Arduino
Using the LCD Keypad Shield's display, backlight, and buttons with Arduino
Using the DS1307 real-time clock (RTC) with Arduino
Controlling a motor from an Arduino using the L293D H-bridge
Using an incremental rotary encoder with Arduino
Measuring acceleration and rotation with a Raspberry Pi and MPU6050 IMU
Measuring analog values with a Raspberry Pi and ADS1115 ADC
Measuring distances with a Raspberry Pi and HC-SR04 ultrasonic sensor
Using a light-dependent resistor (LDR) with Arduino to measure brightness
Creating a timer with an Arduino, buzzer, keypad, and seven-segment shield
Reading and writing from an SD card with Arduino
Controlling LEDs from the 74HC595 shift register
Reading from a keyboard with USBHost on the Arduino Due
Creating a stopwatch with an Arduino and a seven-segment shield