Elecrow
Multifunction DHT11 LM35 Temperature Humidity Easy Module Shield for Arduino UNO
The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder...
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The board is designed for beginners in Arduino, with various components available that makes you build more than 10 projects easily. You won’t have to solder or connect anything at all, just plug it in a shield and start coming up with various simple examples rather than dealing with cables, sensors and breadboard. Next to each component you can see the digital on analog pin it is connected to. Also there are couple of digital pins and one analog pin available for other projects. This shield can be fully compatible with the Arduino UNO R3 and it will never short circuit with the Arduino UNO USB interface, so it is very safe.
Features
- Fully compatible with Arduino UNO R3 interfaces
- Providing Arduino beginners basic experimental module
- A board integrates various modules function
- Without welding and connection, you can download the program directly to complete the experiment
- Provide all the module code library files, all tested and can be used directly
- Set aside expansion port, you can complete other modules experiment
Function
- 2-way button module
- 2-way LED module
- Full color LED module
- IR receiver module
- Brightness sensor module
- LM35D temperature sensor module
- Passive buzzer module
- Rotary potentiometer module
- DHT11 temperature and humidity sensor module
- One I2C interface (A4 SDA, A5 SCL)
- One TTL serial port
- Two channel digital ports (D7, D8)
- One channel analog port (A3)
- Reset button
Jargon buster
Plain-language definitions for the technical terms used above.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
- TTL serial
- A simple serial data connection that uses microcontroller logic-level voltages (typically 3.3 V or 5 V) rather than the higher, inverted voltages of computer RS-232. When a device lists TTL serial, it can usually wire straight to a microcontroller's UART pins or to a USB-to-TTL serial adapter, but it needs a level converter before connecting to a true RS-232 port.
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