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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)   R97*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R80.50*   Y  
4x4 Keypad   R150*   Y Y
Optocoupler   R345*     Y
Encoder   R200*     Y
Power Transistors   R295*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R315*   Y Y
RS232 (Serial Communication)   R130* Y    
USB UART (Serial/RS232 to USB interface)   R150* Y   Y
USB SPI (SPI to USB interface)   R230*     Y
USB I2C (I2C to USB interface)   R230*     Y
CAN (Controller Area Network)   R295*   Y  
CAN-SPI (CAN with SPI interface)   R345*   Y Y
RS485   R295*   Y Y
LIN (Local Interconnect Network)   R345*   Y  
4-20mA Current Loop   R430*     Y
Fiber Optic   R560*     Y
Wireless Communication          
WiFi   R330*   Y Y
ZigBee / X-Bee   R480*   Y Y
Bluetooth   R645*   Y Y
Bluetooth Low Eneregy   R410*     Y
2.4GHz Radio   R265*     Y
868MHz Radio   R950*     Y
LoRa   R870*     Y
Infra-Red   R155*     Y
IrDA   R425*   Y Y
Energy Harvesting   R645*     Y
GSM / GPRS Communication          
Telit GL865   R805*     Y
Quectel M95   R725*     Y
Quectel UG95 (3G)   R1,400*     Y
SIM800H   R920*     Y
uBlox Leon G-100   R1,400*   Y  
Storage          
MMC/SD Card   R265*   Y Y
RAM   R245* Y Y Y
Compact Flash   R345*   Y  
SerialFlash   R165*   Y Y
EEPROM   R130*   Y Y
Display / Touch Panel          
LED   R130*   Y  
LED Matrix Display   R245*     Y
Bar Graph (Meter) Display   R200*     Y
7-Segment Display   R165*   Y Y
TFT (Colour display with touch-panel)   R510* Y    
EVE Graphics Controller [i]   R645* Y Y Y
Touch-Panel Controller   R230* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R575*     Y
Analogue          
ADC (Analogue to digital converter)   R395*   Y Y
LDC (Inductance to digital converter)   R575*   Y Y
Potentiometer (8 Potentiometers)   R265*   Y  
Digital Potentiometer   R99*   Y Y
DAC (Digital to analogue converter)   R295*   Y Y
Comparator   R200*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R265* Y Y Y
Thermocouple (Temperature)   R480*     Y
Infra-Red Thermometer   R480*     Y
Pressure Sensor   R410*     Y
GPS          
GPS   R725*   Y Y
GNSS   R645*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R315* Y   Y
Tilt Sensor   R215*     Y
Gyroscope   R410*     Y
Compass   R410*     Y
Magnetic Field Detection (Hall Sensor)   R200*     Y
Motion Sensor   R215* Y   Y
Proximity/Distance Sensor   R200*     Y
Altitude Sensor   R240*     Y
Light & Colour Measurement          
Ambient Light Sensor   R265*     Y
Light to Frequency Converter   R295*   Y Y
UV Light Detector   R395*     Y
Color Sensor   R245*     Y
Line Following   R245*     Y
Chemical Detection          
Alcohol Sensor   R245*     Y
Air Quality Sensor   R270*     Y
CO (Carbon Monoxide) Sensor   R270*     Y
LPG (Liquefied Petroleum Gas) Sensor   R245*     Y
Methane Gas Sensor   R245*     Y
Hydrogen Gas Sensor   R245*     Y
Magnetics          
Hall Effect Sensor   R200*     Y
Lightning Proximity Detector   R575*     Y
REED Switch   R115*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R345*   Y Y
Real-Time Clock (with Dallas DS1307)   R345*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R150*   Y Y
Audio Codec (MP3 / WMA / etc)   R360*   Y Y
FM Tuner   R480*     Y
Voice Recognition   R645*     Y
Text To Speech   R645*     Y
Relay & Motor          
Relay   R295*   Y Y
Bipolar Stepper Motor Driver   R295*   Y Y
DC Motor Driver   R230*     Y
Buggy Car   R1,850*     Y
Haptic Feedback (Vibration)   R380*     Y
Power          
Step-down DC-DC converter   R315* Y    
USB Li-Po Charger   R165* Y    
Voltage Translators   R330*   Y  
Current Measurement   R395*     Y
Connectors / Adapters          
PS/2   R82.50* Y    
Miscellaneous          
Port Expander   R200*   Y Y
RF-ID Reader (125KHz)   R395*   Y  
RF-ID Reader (13.56MHz)   R480*     Y
NFC   R200*     Y
RF Meter   R725*     Y
Capacitive Touch Sensing   R200*     Y
Joystick Input (Hall-Effect Sensor)   R365*     Y
Joystick Input (Analogue)   R330*     Y
PWM (Pulse-Width Modulation)   R245*     Y
Camera   R645*     Y
Fingerprint Sensor   R885*     Y
DALI (Digital Addressable Lighting Interface)   R410*     Y
Unique ID   R150*     Y
3D Gesture Detection / Recognition   R805*   Y  
Heart Rate   R315*     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.