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This is a breakout board for Freescale’s MMA7361L three-axis analog MEMS accelerometer. The sensor requires a very low amount of power and has a g-select input which switches the accelerometer between ±1.5g and ±6g measurement ranges. Other features include a sleep mode, signal conditioning, a 1-pole low pass filter, temperature compensation, self test, and 0g-detect which detects linear freefall. Zero-g offset and sensitivity are factory set and require no external devices. -
RGB LED module consists of a plug-in full color LED made by R, G, B three pin PWM voltage input can be adjusted Section three primary colors (red / blue / green) strength in order to achieve full color mixing effect. Control of the module with the Arduino can be achieved Cool lighting effects.Specifications
- the use of plug-in full-color LED
- RGB trichromatic limiting resistor to prevent burnout
- through the PWM adjusting three primary colors can be mixed to obtain different colors
- with a variety of single-chip interface
- the working voltage: 5V
- LED drive mode: common cathode driver
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The USB to RS485 module is a cost-effective way to convert RS485 industrial buses to a USB interface. When connected to a PC USB port the USB to RS485 module is automatically detected and is installed as a native COM port which is compatible with any existing serial communication application. Multiple modules can be installed when using USB hubs thus allowing a hassle-free configuration of a multi serial system. Features- Reliable RS485 link
- Automatic Switching between Transmit/Receive mode of RS485.
- Twisted pair cable can work upto 1.2 Km distance.
- Ground Output for wire shielding.
- USB Powered
- USB Port Plugabble type
- Designed for industrial environment
- Any baud rate from 1200 bps to 115 kbps
- Current: 100mA current at 5V DC taken from PC’s USB Port
- Modes: RS-485 Half Duplex (2-wire)
- Built in terminal resistor of 120R Ohm
- Length of twisted pair cable maximum can be 1.2 Km (Kilometer) Maximum
- Cable type for optimal range: Two core, Twisted Pair Shielded type, D and D- should be twisted with each other to get optimal range
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'- Board TP4056 lithium charge management chip - Mini USB head can link directly to the computer USB port charging - The charging board can also power supply from (IN and IN-) pin - Setting aside the the TEMP pin interface can be used as lithium battery temperature detection - Input voltage: 4V~8V - Maximum output charging current: 1000mA - D1 indicator lights on when in charging, D2 lights on when charging completed - English Manual/Spec: Yes - Great for DIY project -
Pulse sensor is used to test heart rate sensors. Students, artists, athletes, creators, games or mobile terminal developers can develop heart-related and interactive works. Sensor can be worn on the finger or earlobe, It also has an open-source app program, you can put your real-time heart rate displayed by the graph. In essence, a heart rate sensor integrated optical amplifier and noise elimination circuit. -
The Keyes-039 or KY039 Heart rate monitor consists of two things, an Infrared LED, and an Infrared Phototransistor. The IR LED should come on whenever the sensor has power and stay on (because it is infrared, you won’t be able to see that it is on, but if you look through your cell phone camera you will). The IR photo transistor causes the voltage to change on a “sensor” wire, and this should be connected to one of the Arduino’s analog pins. -
Introduction: These 3-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the same pin, each one has a unique 64-bit ID burned in at the factory to differentiate them. Usable with 3.0-5.0V systems. Technical Details: Technical specs: Usable temperature range: -5° to 90°C (-23°F to 194°F) 9 to 12 bit selectable resolution Uses 1-Wire interface- requires only one digital pin for communication Unique 64 bit ID burned into chip Multiple sensors can share one pin ±0.5°C Accuracy from -10°C to 85°C Temperature-limit alarm system Query time is less than 750ms Usable with 3.0V to 5.5V power/data -
The Leonardo is Arduino’s first development board to use one microcontroller with built-in USB. Using the ATmega32U4 as its sole microcontroller allows it to be cheaper and simpler. Also, because the 32U4 is handling the USB directly, code libraries are available which allow the board to emulate a computer keyboard, mouse, and more using the USB-HID protocol! It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
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