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Description |
The Arduino Uno R4 WiFi is an advanced version of the popular Arduino Uno microcontroller board. It is based on the ATmega328P and includes integrated WiFi capabilities, making it ideal for IoT projects and wireless communication applications. The Uno R4 WiFi retains the ease of use and versatility of the original Uno, while adding wireless connectivity and enhanced performance.
Key Features:
- Microcontroller: ATmega328P
- Operating Voltage: 5V
- Input Voltage (recommended): 7-12V
- Input Voltage (limit): 6-20V
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Analog Input Pins: 6
- Flash Memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader
- SRAM: 2 KB (ATmega328P)
- EEPROM: 1 KB (ATmega328P)
- Clock Speed: 16 MHz
- WiFi: Integrated WiFi module for wireless connectivity
- USB Connection: For programming and power
Technical Specifications:
- Dimensions: 68.6 mm x 53.4 mm
- Weight: 25 g
- Communication: UART, SPI, I2C, WiFi
- On-board LEDs: TX, RX, Power, and Pin 13
- Power:
- DC Current per I/O Pin: 20 mA
- DC Current for 3.3V Pin: 50 mA
- Connectors:
- USB-B for programming and power
- Barrel jack for external power supply
- ICSP header for in-circuit programming
- 6-pin header for additional communication interfaces
- WiFi Specifications:
- Frequency: 2.4 GHz
- Protocols: IEEE 802.11 b/g/n
- Security: WEP, WPA, WPA2
Applications:
- Education: Ideal for teaching and learning electronics, programming, and IoT.
- Prototyping: Suitable for developing and testing new electronic projects with wireless connectivity.
- DIY Projects: Perfect for hobbyists creating custom gadgets, robots, and interactive installations with WiFi capabilities.
- IoT Projects: Can be used to build Internet of Things (IoT) applications by connecting sensors and actuators to the internet.
- Embedded Systems: Useful for designing and implementing embedded systems with wireless communication.
Datasheet:
For detailed technical information, refer to the Arduino Uno R4 WiFi Datasheet.
Manufacturer: Arduino
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The Condenser Mic 4.5×2.2mm is a small-sized, high-sensitivity electret microphone. It is designed for a wide range of audio applications, including voice recording, telecommunication devices, and various consumer electronics. Its compact size and high sensitivity make it ideal for embedding in small devices.
Key Features:
- High sensitivity and low noise
- Small and compact size
- Wide frequency response
- Low power consumption
- Omnidirectional pickup pattern
- Easy to integrate into electronic circuits
Technical Specifications:
- Type: Electret condenser microphone
- Dimensions: 4.5mm (diameter) x 2.2mm (height)
- Sensitivity: -42dB ±3dB (0dB = 1V/Pa at 1kHz)
- Frequency Response: 20Hz to 16kHz
- Impedance: ≤ 2.2kΩ
- Operating Voltage: 1.5V to 10V DC
- Current Consumption: ≤ 0.5mA
- Signal-to-Noise Ratio: ≥ 60dB
- Directivity: Omnidirectional
- Operating Temperature Range: -20°C to +70°C
Applications:
- Voice recording devices
- Telecommunication equipment
- Hearing aids
- Portable audio recorders
- Consumer electronics
- Smart home devices
- Speech recognition systems
Usage:
- Connection:
- Connect the microphone’s output pin to the input of an amplifier or preamp circuit.
- Connect the power supply (1.5V to 10V DC) to the microphone.
- Ensure the ground connection is properly made to avoid noise interference.
- Integration:
- Place the microphone in a suitable location to capture sound effectively.
- Embed the microphone in devices ensuring the sound entry is not obstructed.
- Circuit Design:
- Use appropriate capacitors and resistors as per the microphone’s requirements.
- Design the circuit to provide a stable power supply and proper impedance matching.
Caution:
- Handle the microphone with care to avoid physical damage.
- Protect the microphone from exposure to moisture and extreme temperatures.
- Avoid applying excessive voltage to prevent damage to the microphone.
Datasheet:
For detailed technical specifications, refer to the Condenser Microphone Datasheet.
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The SMD (Surface-Mount Device) tact switch with cap is a compact, reliable switch used in various electronic devices and applications. The switch is mounted directly onto a printed circuit board (PCB) and is designed to be activated by pressing the cap. The cap provides a user-friendly interface and helps in guiding the pressing action.
Key Features:
- Type: SMD Tactile Switch
- With Cap: Includes a cap for easy pressing and improved tactile feedback
- Mounting Type: Surface-mount for easy PCB integration
- Actuation Force: Typically designed for low actuation force
- Switch Function: Momentary contact (normally open; closes when pressed)
- Durability: Designed for many cycles of operation
Technical Specifications:
- Package Type: SMD (Surface-Mount Device)
- Cap Type: Plastic or rubber cap for tactile feedback
- Actuation Force: Typically ranges from 100g to 500g (varies by model)
- Contact Rating: Generally rated for 50mA to 100mA at 12V (varies by model)
- Contact Resistance: Typically 100Ω or less
- Insulation Resistance: Typically 100MΩ or more
- Life Cycle: Rated for up to 1,000,000 cycles
- Operating Temperature Range: -20°C to +85°C
Applications:
- Consumer Electronics: Used in devices like remote controls, calculators, and handheld devices
- Industrial Equipment: Integrated into control panels and user interfaces
- Automotive: Utilized in dashboards and control systems
- Medical Devices: Employed in compact medical equipment and interfaces
Usage:
- PCB Mounting: Solder the SMD tact switch to the designated pads on the PCB.
- Cap Placement: Ensure the cap is securely placed on the switch for proper operation and tactile feedback.
- Testing: Test the switch to ensure it functions correctly and provides the desired tactile response.
- Integration: Integrate the switch into the final assembly and connect it to the necessary circuits or components.
Caution:
- Handling: Handle with care to avoid damaging the switch or cap.
- Soldering: Follow proper soldering techniques to avoid overheating or damaging the switch.
- Compatibility: Ensure the switch is compatible with the design requirements and PCB layout.
Datasheet:
For detailed technical specifications and mounting guidelines, refer to the manufacturer’s datasheet for the specific SMD tact switch model.
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The BMP180 is a high-precision digital barometer and altitude sensor from Bosch, designed to measure atmospheric pressure and temperature. It is commonly used in applications requiring accurate altitude measurement and weather monitoring. The BMP180 provides reliable data for various applications including GPS, weather stations, and altitude tracking in wearable devices.
Key Features:
- Accurate barometric pressure and temperature measurement
- Digital interface with I²C or SPI communication
- High resolution with 0.03 hPa pressure measurement accuracy
- Compact and low-power design
- Built-in calibration for precise readings
- Wide operating temperature range
Technical Specifications:
- Sensor Type: Barometric Pressure and Temperature Sensor
- Communication Protocol: I²C (default), SPI (optional)
- Pressure Range: 300 hPa to 1100 hPa
- Pressure Accuracy: ±1 hPa (typical)
- Temperature Range: -40°C to +85°C
- Temperature Accuracy: ±1°C
- Resolution: 0.03 hPa for pressure
- Operating Voltage: 1.8V to 3.6V
- Current Consumption: 3µA (typical in sleep mode), 10µA (typical in measurement mode)
- Package Type: LGA-8 (Leadless Grid Array)
Applications:
- Altitude and weather tracking
- GPS altitude calibration
- Pressure-based data logging
- Environmental monitoring
- Wearable devices and consumer electronics
Usage:
- Connect the BMP180 sensor to your microcontroller or development board using I²C or SPI interface.
- Power the sensor with a voltage within the operating range (1.8V to 3.6V).
- Use the appropriate library or driver for the I²C or SPI protocol to interface with the sensor.
- Retrieve and process pressure and temperature data according to your application needs.
Caution:
- Ensure proper voltage supply to avoid damage to the sensor.
- Handle the sensor carefully to prevent mechanical damage or contamination.
- Verify correct wiring and communication protocol settings for accurate readings.
Datasheet:
For detailed technical specifications, refer to the BMP180 Datasheet.
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