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pMp3 Decoder Board is easy to use board mostly used to DIY music player. It can be directly connected to the speaker and be used. It can be operated with 5v battery. It has 4 functional buttons and a led indicator in-built./p

pThis  DC gear motor has  aluminium alloy body capable of providing a high torque .The robust construction and a reduction gearbox, all metal made, make it very resistant to vibration and stress transmitted to the shaft.  It can be usage for  Vehicles & Remote control toys. The motor surface has be oxidized but  their is no affect in operation./p

pTSL Gy -2561 Lux Sensor is a light sensor with flat response across most of the visible spectrum.  It measure both infrared and visible light to better approximate the response of human eye and capable of measuring both small and large amounts of light by changing the integration time. It has selectable detections modes. It has programmable interrupt function with user defined upper and lower threshold settings./p

pThis  Caster Wheel  supports small and medium sized robots. The nylon wheel is 21mm in diameter and the entire part is 33mm tall. The wheel is supported by a metal frame and strong enough for using as a front part of DIY robots. This wheel would not scratch the floor and has shcok absorption feature./p

pThe Vibration Sensor helps to detect the vibration of the surrounding environment that is normally open and comes with LM393 chip 0 with The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA having fixed bolt hole and is convenient to install. The sensitivity can be adjusted using the on board potentimeter. It has LEDs indicating for output and power./p

pGY-45 MMA845x Sensor, digital triaxial modules is embedded functions with flexible user-programmable option. Its mostly used for Static orientation detection, E-compass application and many more. It has 14-bit and 8-bit digital output  with user selectable dynamic range of  ±2g/±4g/±8g. It easy to use . It has features of vibration detection and pulse detection./p

pThe pCF8591 Module(ADC-DAC)  is a 8-bit CMOS data acquisition devices. It  has the four analog inputs.The three address pins in pCF8591 can be used in hardware address programmed 8 pCF8591 device allows access to the same I2C bus, without the need for additional hardware.The two-wire bidirectional I2C bus is  used to transmitted the input and output of the address, control and data signals and many more.  IT has on chip track and hold circuit in-built./p

pHG7881 (L9110) module can be used to drive a small robots. The module can simultaneously drive two DC motors or a 4-wire 2-phase stepper motor. It has 800 mA continuous current output. It can be connected directly to the CpU.It has low static work current and low saturation pressure drop with other features as well./p

pThis motor has  aluminium alloy body capable of providing a high torque . It ideal for heavy duty applications. The robust construction and a reduction gearbox, all metal made, make it very resistant to vibration and stress transmitted to the shaft.  It can be usage for  boat, car, electric bicycle, fan./p

pThe 4*4 matrix keypad is basic key board without touch sensor used for microcontroller projects. It is easy to connect and use. It comes with cable  with easy installation./p

pThe SW-520d Vibration sensor are lower power and easy to use. They are mostly used in toys, gadgets and appliances.  The switch when raised to 10-90 degree or shakes turns into 'on position '. The pins have no polarity and can be interchanged.It is  completely airtight, waterproof, dustproof/p

pThe Audio Amplifier Module based  on LM386 chip is a mono audio amplifier that can be used to boost up the volume of  microphone , mp3 player etc with low voltage audio signals. It operates on the voltage range between 4V to 12 V. It has on board power indicator./p

pThe GY-271 Compass Module used the HMC5883L chip .It is the 3 axis magnetic electronic compass designed for low field magnetic sensing usually used for small projects./p

pThe Sharp Distance Sensor 2y0a21 is wide angel distance measuring sensor with accurate measurment used for many DIY projects.  It has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm.  It can be used for touch less switch, DIY robots. It is united with pSD infrared LED and signal processing circuit. The voltage output in this device is corresponding to the detection distance./p

pThe monster motor driver shield is capable of driving a pair of high-current motors as in this motor the L298H-bridge is replaced with a pair of VNH2Sp30 full bridge motors. It has the feature of under voltage and over voltage shutdown alos current sensing available analog pin. It is capable of driving a high current motors./p

pInfrared Sensors (IR) Module  is used to detect presence of any obstacle in front of the sensor module. It  has built-in IR transmitter and IR receiver , on board potentiometer .. Even in low light or in complete darkness the sensor has very good and stable response. It can be used for Obstacle avoidance in robots , Security systems and other object detection.It is stable and accurate with male header for easy connection./p

pThis is a standard dual shaft plastic gear Bo motor running at 100 RpM or 150 RpM. Between the two shaft one can be connected to wheel and the next can be connected to an  encoder.iT has light weight and low density with uniformity of parts.It has capability to absorb shock and vibration and has low coefficient of friction . It can be used for DIY robots, light weight DIY projects running on 5V-9V./p

pThe TCRT 5000 sensor module helps to detect color and distance.  It  has on board indicator LED and has good accuracy . It provides clean comparator output signal. To adjust the sensitivity on-board potentiometer is in-built. The bolt hole present for  easy installation . It can be used in detecting rainfall, liquid leakage etc. Its measuring distance is from 1 mm to 8 mm./p