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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2.3 Inch Large Size 3 Digit 7 Segment SPI Display Schematic and PCB using 74HC595 and ULN2803

3 Digit 2.3 inch 7 segments SPI protocol Display module using 74HC595 project will display large size 7 segment 3 digit numbers. 2.3 Inch height, which can be visible over large distance.  More digit can be connected serially to each other easily trough connector. This circuit is a 3 digit seven segment big display using 74HC595 shift register for easy

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RTC( Real Time Clock) Module Using SMD Components and DS1307

The module based on DS1307, The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I²C, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with

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USB To UART Converter Using MCP2200

The Module is based on The MCP2200, which is a USB-to-UART serial converter which enables USB connectivity in application that have a UART interface. The device reduces external components by integrating the USB termination resistors. The MCP2200 also has 256-bytes of integrated user EEPROM. The MCP2200 has eight general purpose input / output pins. Four of the pins have alternate

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18 Pin PIC Micro-Controller Development Board

The PIC 18 PIN (DIP) Development / Evaluations Board demonstrates the capabilities of Microchip’s 8-bit microcontrollers, specifically, 18 Pin PIC16F1847. It can be used as a standalone demonstration board with a programmed part. With this board you can develop and prototype with all Microchip’s 18 PIN PIC microcontrollers. The board has a Reset switch and status LEDs. On board 3.3

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40 Pin & 28 Pin PIC Micro-Controller Development Board With On Board 3.3V & 5V Switching Regulator

The PIC 40 / 28 PIN (DIP) Development / Evaluations board demonstrates the capabilities of Microchip’s 8-bit microcontrollers, specifically, 28- and 40-pin PIC16FXXX, PIC16F1XXX, and PIC18 devices. It can be used as a standalone demonstration board with a programmed part. With this board you can develop and prototype with all Microchip’s 40 & 28 PIN PIC microcontrollers which doesn’t require

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4 Channel Transistor Based Output Driver For Unipolar Stepper Motor Driver and Relay , Solenoid Driver

Unipolar 4-Phase Stepper Motor Controller Board will help you control a Stepper Motor or 4 individual Solenoids. This circuit consisting of transistors that serve as current amplifier and also diode to prevent damaging back EMF, circuit uses Darlington transistors to provide high current capacity to unipolar stepper motor. Just provide sequence of pulse using Micro-Controller or desceret circuit to roll

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