DC Motor Speed Controller with 2 digit display ( Duty Cycle Display)

The versatile DC motor speed controller project is based on PIC16F1825 microcontroller, its generate PWM pulse and also display the value on 2 digit 7 segment display, duty cycle adjustable 0 to 99 %, Frequency 1Khz, the speed of motor possible with help of two tactile switches.  The board only generate and display the PWM, project required Mosfet on output

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Temperature Meter using LM35 Analog Sensor and Arduino Nano LCD Shield

Another project which display the ambient temperature on 16X2 LCD, Project is based on compact multipurpose Arduino Nano LCD shield and LM35 analog temperature sensor, shield also provided with 3 Tactile Switches, Relay, Power MOSFET, Trimmer Potentio-meter to create multi projects. Circuit works with 5V DC, can be power up from USB or separate header connector.   Download PDF Document

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4 Channels Optically Isolated I/O Board Using 6N137 Optocoupler

4 Channel Opto isolated board has been designed around 6N137 Opto-coupler, the 6N137 optocoupler is designed for use in high-speed digital interfacing applications that require high-voltage isolation between the input and output. Applications include line receivers, microprocessors or computer interface, digital programming of floating power supplies, motors, and other control systems. The 6N137 high-speed optocoupler consists of a GaAsP light-emitting

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40Pin/28Pin dS PIC Development/Evaluation Board

The ds PIC Development Board is a development and evaluation tool that helps create embedded applications using dsPIC30F Digital Signal Controllers for motor control family. Sockets are provided for 28 and 40-pin devices in the motor control family. The dsPIC Development has been designed mainly for Motor dsPIC30F4011 Digital Signal Controller in the 40-pin motor control socket and dsPIC30F4012 28

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17 Channel Optically Isolated I/O Shield for Arduino Uno Using LOC111, PC817,6N137 Opto-couplers

17 Channel Optically Isolated I/O Shield for Arduino Uno The shield enables you to  interface many things to Arduino Uno , all I/O are optically isolated, The shield consist  8 Channel low speed outputs which can be used for on/off applications. 3 Channel high speed outputs frequency up to 10 MHz using 6N137. 4 Channel slow inputs using PC817 opto-coupler.

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