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Basic Digital I/O (Go to Parent Category)
Boards providing basic digital input/output functionality; such as buttons, switches, opto-couplers, relays, etc.

(i) Tip:The filter on the left can be used to narrow down the number of items in this category.
  • Items
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Button R click
 
mikroBUS
Button R click Button R click is the simplest solution for adding a single pushbutton to your design. The button itself is transparent, 6.8mm in diameter and has a red LED backlight. When pressed, it sends an interrupt signal to the target board microcontroller. The backlight LED is controlled separately through the mikroBUS PWM pin, so you can program all kinds of patterns (varying level of light intensity or rate of blinking on subsequent button presses). The board can use either a 3.3V or a 5V power supply.
Red Backlight    R140  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
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Button G click
 
mikroBUS
Button G click Button G click is the simplest solution for adding a single pushbutton to your design. The button itself is transparent, 6.8mm in diameter and has a green LED backlight. When pressed, it sends an interrupt signal to the target board microcontroller. The backlight LED is controlled separately through the mikroBUS PWM pin, so you can program all kinds of patterns (varying level of light intensity or rate of blinking on subsequent button presses). The board can use either a 3.3V or a 5V power supply.
Green Backlight    R140  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
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EasyInput v1.01
 
IDC10
EasyInput v1.01 The EasyInput board is used for providing digital logic input levels via a tri-state DIP switch. Using the board logic one (VCC) or logic zero (GND) can be easily applied to a port pin, or the pin can be left unconnected (DIP switch middle position). The board connects to development systems via the MikroElektronika-standard IDC10 connector.
R84.50  Qty:
Est. Weight: 10g. Stock: 1 available immediately [i]. mikroE Icon
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EasyPULL
 
IDC10
EasyPULL The EasyPULL Board features pull-up resistors (1K or 10K). It can be used to steer an input pin to a known state if no input is present. On-board jumpers are used to set pull-up/pull-down resistor for each pin connected to a prototype device.
1K Resistors    R70  Qty:
Weight: 10g. Stock: 1 available immediately [i]. mikroE Icon
10K Resistors    R70  Qty:
Weight: 10g. Stock: Available in 5-10 working days [i]. mikroE Icon
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2x2 Key click
 
mikroBUS
2x2 Key click 2x2 Key click has a 4 button keypad. The click allows multiple key presses and has a debounce circuit composed of 74HC32 quad 2-input OR gate from NXP and the SN74HC14 Hex Schmitt-Trigger Inverter from Texas Instruments. 2x2 Key click is designed to use either 3.3V or 5V power supply. The buttons can be independently read.
R130  Qty:
Weight: 24g. Stock: Available in 5-10 working days [i]. mikroE Icon
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4x4 Key click
 
mikroBUS
4x4 Key click 4x4 Key click carries a 16 button keypad. The design of the board - inputs are read by a pair of connected 8-bit parallel-in serial-out shift registers - allows for multiple key presses at the same time. For ease of use, each button has silkscreen markings. The right-most column is marked with letters A-D, the other 12 buttons are marked like a telephone keypad. The board is designed to use either a 3.3V or 5V power supply.
R160  Qty:
Est. Weight: 20g. Stock: 1 available immediately [i]. mikroE Icon
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Keypad 4X4 Board
 
IDC10
Keypad 4X4 Board The Keypad 4x4 Board features a small keypad with calculator-style arrangement of buttons and can be easily integrated into your prototype device. It is connected to your development system or prototype device via an IDC10 connector.
R130  Qty:
Weight: 15g. Stock: 1 available immediately [i]. mikroE Icon
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OPTO click
 
mikroBUS
OPTO click OPTO Click is an accessory board in the mikroBUS form factor. It features two VO2630 dual channel, high speed optocoupler modules. They enable high speed (10 MBit/s) data transfer between it's input and output with galvanic isolation. The optocouplers are connected to four lines (INT, CS, RST and AN) on the mikroBUS socket. The board features six screw terminals for easier connections and an LED indication of power supply. The board requires a 5V power supply, however an SMD jumper is available for selecting between 3.3V or 5V communication levels.
R300  Qty:
Weight: 20g. Stock: 1 available immediately [i]. mikroE Icon
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Rotary click (Encoder)
 
General
Rotary click (Encoder) Rotary click carries a 15-pulse incremental rotary encoder with detents, surrounded by a ring of 16 green LEDs. It's a perfect solution for adding a precision input knob to your design. The encoder outputs A and B signals (out of phase to each other) on mikroBus PWM and AN lines; the knob also acts as a push-button which sends an interrupt to the target board MCU via the mikroBus INT line. The LED ring is controlled through SPI lines (CS, SCK, MISO, MOSI and RST). Rotary click can be used with either a 3.3V or 5V power supply.
Red LEDs    R170  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
Green LEDs    R170  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
Blue LEDs    R170  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
Yellow LEDs    R170  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
Orange LEDs    R170  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
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Thumbwheel Click
 
mikroBUS
Thumbwheel Click Thumbwheel click is a mikroBUS add-on board with a 10-position rotary sprocket connected to a 1-Wire 8-Channel Addressable Switch. The starting position of the switch is marked with a small notch on the PCB above the wheel. Printed numerals from 1 to 10 clearly mark each position.

The thumbwheel has a crown with small incisions for better finger traction. The board can use both a 3.3V or a 5V power supply. The One-Wire signal can be sent either through the mikroBUS AN or PWM pins. You choose which one by soldering the GP SEL jumper into the right position.
R415  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
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Counter click (Encoder Reader)
 
mikroBUS
Counter click (Encoder Reader) Counter click carries an LS7366R 32-bit quadrature counter. The top of the board has a pinout for interfacing with incremental encoders. The interface has ENCA and ENCB pins, along with ENCI, which is a programmable index. The A and B pulses fron an encoder are out of phase to each other, ideally by 90°. The LS7366R CMOS counter takes these signals as inputs and decodes them for determining direction and speed. On the other side, Counter click communicates with the target board microcontroller through the mikroBUS SPI interface (CSK, MISO, MOSI), plus enable (CNT EN) and interrupt (LFLAG) pins. The board can use either a 3.3V or a 5V power supply.
R360  Qty:
Est. Weight: 20g. Stock: Available in 5-10 working days [i]. mikroE Icon
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mikroDrive
 
IDC10
mikroDrive The mikroDrive board features the high-current ULN2803 darlington-transistor array IC, with the ability to drive up to 8 external loads. A jumper is provided for power-supply selection between an external power source or microcontroller VCC. The board provides an interface between low-level microcontroller logic circuitry and external power loads.
R260  Qty:
Weight: 5g. Stock: 1 available immediately [i]. mikroE Icon
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