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Accessory Boards
Accessory boards allow you to add specific functionality to your microcontroller-based application.

They are available for everything from communication, to storage, to analogue functionality.

Please note that the below list does not include all of the boards available. For a complete list, please see the store.
 
Connection Standard Available (What's this?)
Board   Price
General
IDC10
mikroBus
Basic Digital I/O          
Input (DIP Switches)   R94*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R78*   Y  
4x4 Keypad   R145*   Y Y
Optocoupler   R335*     Y
Encoder   R190*     Y
Power Transistors   R285*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R300*   Y Y
RS232 (Serial Communication)   R125* Y    
USB UART (Serial/RS232 to USB interface)   R145* Y   Y
USB SPI (SPI to USB interface)   R220*     Y
USB I2C (I2C to USB interface)   R220*     Y
CAN (Controller Area Network)   R285*   Y  
CAN-SPI (CAN with SPI interface)   R335*   Y Y
RS485   R285*   Y Y
LIN (Local Interconnect Network)   R335*   Y  
4-20mA Current Loop   R415*     Y
Fiber Optic   R540*     Y
Wireless Communication          
WiFi   R430*   Y Y
ZigBee / X-Bee   R460*   Y Y
Bluetooth   R620*   Y Y
Bluetooth Low Eneregy   R395*     Y
2.4GHz Radio   R255*     Y
868MHz Radio   R915*     Y
LoRa   R840*     Y
Infra-Red   R150*     Y
IrDA   R410*   Y Y
Energy Harvesting   R620*     Y
GSM / GPRS Communication          
Telit GL865   R780*     Y
Quectel M95   R700*     Y
Quectel UG95 (3G)   R1,350*     Y
SIM800H   R885*     Y
uBlox Leon G-100   R1,350*   Y  
Storage          
MMC/SD Card   R255*   Y Y
RAM   R240* Y Y Y
Compact Flash   R335*   Y  
SerialFlash   R160*   Y Y
EEPROM   R125*   Y Y
Display / Touch Panel          
LED   R125*   Y  
LED Matrix Display   R240*     Y
Bar Graph (Meter) Display   R190*     Y
7-Segment Display   R160*   Y Y
TFT (Colour display with touch-panel)   R495* Y    
EVE Graphics Controller [i]   R620* Y Y Y
Touch-Panel Controller   R225* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R555*     Y
Analogue          
ADC (Analogue to digital converter)   R380*   Y Y
LDC (Inductance to digital converter)   R555*   Y Y
Potentiometer (8 Potentiometers)   R255*   Y  
Digital Potentiometer   R95.50*   Y Y
DAC (Digital to analogue converter)   R285*   Y Y
Comparator   R190*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R255* Y Y Y
Thermocouple (Temperature)   R460*     Y
Infra-Red Thermometer   R460*     Y
Pressure Sensor   R395*     Y
GPS          
GPS   R700*   Y Y
GNSS   R620*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R300* Y   Y
Tilt Sensor   R205*     Y
Gyroscope   R395*     Y
Compass   R395*     Y
Magnetic Field Detection (Hall Sensor)   R190*     Y
Motion Sensor   R205* Y   Y
Proximity/Distance Sensor   R190*     Y
Altitude Sensor   R230*     Y
Light & Colour Measurement          
Ambient Light Sensor   R255*     Y
Light to Frequency Converter   R285*   Y Y
UV Light Detector   R380*     Y
Color Sensor   R240*     Y
Line Following   R240*     Y
Chemical Detection          
Alcohol Sensor   R240*     Y
Air Quality Sensor   R260*     Y
CO (Carbon Monoxide) Sensor   R260*     Y
LPG (Liquefied Petroleum Gas) Sensor   R240*     Y
Methane Gas Sensor   R240*     Y
Hydrogen Gas Sensor   R240*     Y
Magnetics          
Hall Effect Sensor   R190*     Y
Lightning Proximity Detector   R555*     Y
REED Switch   R110*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R335*   Y Y
Real-Time Clock (with Dallas DS1307)   R335*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R145*   Y Y
Audio Codec (MP3 / WMA / etc)   R350*   Y Y
FM Tuner   R460*     Y
Voice Recognition   R620*     Y
Text To Speech   R620*     Y
Relay & Motor          
Relay   R285*   Y Y
Bipolar Stepper Motor Driver   R285*   Y Y
DC Motor Driver   R225*     Y
Buggy Car   R1,800*     Y
Haptic Feedback (Vibration)   R365*     Y
Power          
Step-down DC-DC converter   R300* Y    
USB Li-Po Charger   R155* Y    
Voltage Translators   R315*   Y  
Current Measurement   R380*     Y
Connectors / Adapters          
PS/2   R79.50* Y    
Miscellaneous          
Port Expander   R190*   Y Y
RF-ID Reader (125KHz)   R380*   Y  
RF-ID Reader (13.56MHz)   R460*     Y
NFC   R190*     Y
RF Meter   R700*     Y
Capacitive Touch Sensing   R190*     Y
Joystick Input (Hall-Effect Sensor)   R350*     Y
Joystick Input (Analogue)   R320*     Y
PWM (Pulse-Width Modulation)   R235*     Y
Camera   R620*     Y
Fingerprint Sensor   R855*     Y
DALI (Digital Addressable Lighting Interface)   R395*     Y
Unique ID   R145*     Y
3D Gesture Detection / Recognition   R780*   Y  
Heart Rate   R300*     Y

About Connection Standards
Most accessory boards are designed to a specific standard, allowing them to be easily connected to development hardware (Development Systems / Ready-Start Systems / PLC Systems).

Note however that this does not mean that they can only be used with hardware featuring the relevant standard - they can of course also all be used with any hardware by manually making the connections to them. The connection standard simply makes things easier when compatible hardware is available.

The three different groups which accessory boards can be classified into, based on the connection standard they employ, are:
General (No Standard)

This type has no connection standard. Connections are simply made by soldering wires/pins onto the pads provided.

Any of the other types of connection standards (IDC10 / mikroBus) can obviously also be used in this way.










Example:

A MAX3232 accessory board, connected to a breadboard.
IDC10 Standard

This type makes use of the IDC10 connection standard, which exposes the 8 pins of a microcontroller's "port", as well as power and ground.

IDC10 Headers are found on MikroElektronika development systems, ready-start systems and PLC systems.





An adapter is available for connecting IDC10 accessory boards to mikroBus sockets.




Example:

A bipolar stepper motor driver accessory board, connected to an EasyPIC7.
mikroBus ("click") Standard

This type makes use of the mikroBus standard, which exposes specific pins for SPI, I2C, UART, etc.

mikroBus sockets are found on newer MikroElektronika development systems, as well as our Breeze boards and the Clicker boards.







Example:
A mikroBus WiFi PLUS click accessory board, connected to a Breeze board.

*Prices exclude VAT and may be subject to the Rand/Dollar exchange rate / change without notice. Please see the store for more information on pricing. Where a board is available in multiple different types, the price indicated is that of the least-expensive type.