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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)   R66.50*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R55*   Y  
4x4 Keypad   R145*   Y Y
Optocoupler   R340*     Y
Encoder   R195*     Y
Power Transistors   R205*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R305*   Y Y
RS232 (Serial Communication)   R125* Y    
USB UART (Serial/RS232 to USB interface)   R145* Y   Y
USB SPI (SPI to USB interface)   R225*     Y
USB I2C (I2C to USB interface)   R225*     Y
CAN (Controller Area Network)   R290*   Y  
CAN-SPI (CAN with SPI interface)   R235*   Y Y
RS485   R205*   Y Y
LIN (Local Interconnect Network)   R340*   Y  
4-20mA Current Loop   R410*     Y
Fiber Optic   R535*     Y
Wireless Communication          
WiFi   R425*   Y Y
ZigBee / X-Bee   R455*   Y Y
Bluetooth   R615*   Y Y
Bluetooth Low Eneregy   R395*     Y
2.4GHz Radio   R180*     Y
868MHz Radio   R925*     Y
LoRa   R850*     Y
Infra-Red   R105*     Y
IrDA   R405*   Y Y
Energy Harvesting   R615*     Y
GSM / GPRS Communication          
Telit GL865   R770*     Y
Quectel M95   R690*     Y
Quectel UG95 (3G)   R1,350*     Y
SIM800H   R895*     Y
uBlox Leon G-100   R1,350*   Y  
Storage          
MMC/SD Card   R225*   Y Y
RAM   R170* Y Y Y
Compact Flash   R340*   Y  
SerialFlash   R160*   Y Y
EEPROM   R90*   Y Y
Display / Touch Panel          
LED   R90*   Y  
LED Matrix Display   R170*     Y
Bar Graph (Meter) Display   R195*     Y
7-Segment Display   R160*   Y Y
TFT (Colour display with touch-panel)   R350* Y    
EVE Graphics Controller [i]   R615* Y Y Y
Touch-Panel Controller   R225* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R550*     Y
Analogue          
ADC (Analogue to digital converter)   R270*   Y Y
LDC (Inductance to digital converter)   R550*   Y Y
Potentiometer (8 Potentiometers)   R255*   Y  
Digital Potentiometer   R96.50*   Y Y
DAC (Digital to analogue converter)   R290*   Y Y
Comparator   R195*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R255* Y Y Y
Thermocouple (Temperature)   R455*     Y
Infra-Red Thermometer   R325*     Y
Pressure Sensor   R395*     Y
GPS          
GPS   R485*   Y Y
GNSS   R615*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R305* Y   Y
Tilt Sensor   R205*     Y
Gyroscope   R280*     Y
Compass   R280*     Y
Magnetic Field Detection (Hall Sensor)   R195*     Y
Motion Sensor   R145* Y   Y
Proximity/Distance Sensor   R190*     Y
Altitude Sensor   R165*     Y
Light & Colour Measurement          
Ambient Light Sensor   R180*     Y
Light to Frequency Converter   R290*   Y Y
UV Light Detector   R385*     Y
Color Sensor   R240*     Y
Line Following   R240*     Y
Chemical Detection          
Alcohol Sensor   R170*     Y
Air Quality Sensor   R265*     Y
CO (Carbon Monoxide) Sensor   R265*     Y
LPG (Liquefied Petroleum Gas) Sensor   R240*     Y
Methane Gas Sensor   R240*     Y
Hydrogen Gas Sensor   R240*     Y
Magnetics          
Hall Effect Sensor   R195*     Y
Lightning Proximity Detector   R550*     Y
REED Switch   R115*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R235*   Y Y
Real-Time Clock (with Dallas DS1307)   R340*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R100*   Y Y
Audio Codec (MP3 / WMA / etc)   R350*   Y Y
FM Tuner   R455*     Y
Voice Recognition   R615*     Y
Text To Speech   R615*     Y
Relay & Motor          
Relay   R205*   Y Y
Bipolar Stepper Motor Driver   R270*   Y Y
DC Motor Driver   R225*     Y
Buggy Car   R1,800*     Y
Haptic Feedback (Vibration)   R370*     Y
Power          
Step-down DC-DC converter   R305* Y    
USB Li-Po Charger   R155* Y    
Voltage Translators   R225*   Y  
Current Measurement   R270*     Y
Connectors / Adapters          
PS/2   R80.50* Y    
Miscellaneous          
Port Expander   R135*   Y Y
RF-ID Reader (125KHz)   R270*   Y  
RF-ID Reader (13.56MHz)   R455*     Y
NFC   R195*     Y
RF Meter   R690*     Y
Capacitive Touch Sensing   R135*     Y
Joystick Input (Hall-Effect Sensor)   R355*     Y
Joystick Input (Analogue)   R320*     Y
PWM (Pulse-Width Modulation)   R170*     Y
Camera   R615*     Y
Fingerprint Sensor   R865*     Y
DALI (Digital Addressable Lighting Interface)   R395*     Y
Unique ID   R145*     Y
3D Gesture Detection / Recognition   R770*   Y  
Heart Rate   R305*     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.