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If you are worried about the chaotic tangle of wires on a breadboard or intimidated by the trepidation of soldering holes on a perforated board, then you've come to the right place. Gravity, a set of electronic module interface specifications formulated by DFRobot, provides the solution you need. By utilizing the Arduino Gravity IO expansion board in conjunction with Gravity modules, you can effortlessly establish connections with a single cable. Whether analog, digital, or I2C modules, easily identified wiring colors liberate you from the tension that precedes every power-on moment. There is no need for wire strippers or soldering irons to experience the enchantment of Arduino. Furthermore, it is compatible with both the Arduino UNO R3 and Arduino UNO R4.
Moreover, this Arduino IO expansion shield has a range of features, such as wide voltage input, an Xbee module socket, a UART fast toggle switch, a 3.3V voltage selection jumper, and dedicated power protection for servos. These functionalities elevate the expandability of your Arduino to new heights.
Furthermore, using the Gravity IO expansion board does not imply the obligation to exclusively use Gravity modules. On the Gravity IO expansion board, it remains convenient to employ other non-Gravity modules by easily connecting them using DuPont wires.
Interface diagram for using the expansion board
If you are using development boards such as ESP32, micro:bit, Raspberry Pi Pico, etc., you can also take a look at the Gravity IO expansion boards designed by DFRobot specifically for these boards.
- Gravity: IO Sensor Shield For Arduino Mega2560
Project 2. Spectrophotometer Experiment Based on AS7341 Spectral Sensor
Introduction: This project uses DFRobot AS7341 Spectral Sensor to make a simple spectrophotometer,
and carry out an experiment to measure substance concentration in different solutions by collecting data, fitting curve, etc.
Project 3. How to make a Smart Rock-Paper-Scissors Game Robot
Introduction: This project made a smart rock-paper-scissors robot and bring it to campus maker carnival.
Project 4. Build KnowFlow: automatic water monitor
Introduction: KnowFlow is the name of this water quality monitoring device, based on Arduino Uno. It can automatically monitor 5 parameters of water: pH, Temperature, Dissolved Oxygen, Electronic Conductivity, ORP.
