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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)   R140*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R68.50*   Y  
4x4 Keypad   R215*   Y Y
Optocoupler   R485*     Y
Encoder   R280*     Y
Power Transistors   R250*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R265*   Y Y
RS232 (Serial Communication)   R190* Y    
USB UART (Serial/RS232 to USB interface)   R180* Y   Y
USB SPI (SPI to USB interface)   R275*     Y
USB I2C (I2C to USB interface)   R340*     Y
CAN (Controller Area Network)   R440*   Y  
CAN-SPI (CAN with SPI interface)   R420*   Y Y
RS485   R250*   Y Y
LIN (Local Interconnect Network)   R420*   Y  
4-20mA Current Loop   R605*     Y
Fiber Optic   R660*     Y
Wireless Communication          
WiFi   R525*   Y Y
ZigBee / X-Bee   R740*   Y Y
Bluetooth   R895*   Y Y
Bluetooth Low Eneregy   R585*     Y
2.4GHz Radio   R225*     Y
868MHz Radio   R1,100*     Y
LoRa   R1,050*     Y
Infra-Red   R130*     Y
IrDA   R505*   Y Y
Energy Harvesting   R915*     Y
GSM / GPRS Communication          
Telit GL865   R1,100*     Y
Quectel M95   R1,000*     Y
Quectel UG95 (3G)   R1,200*     Y
SIM800H   R1,300*     Y
uBlox Leon G-100   R1,650*   Y  
Storage          
MMC/SD Card   R380*   Y Y
RAM   R210* Y Y Y
Compact Flash   R420*   Y  
SerialFlash   R240*   Y Y
EEPROM   R160*   Y Y
Display / Touch Panel          
LED   R110*   Y  
LED Matrix Display   R300*     Y
LED Ring   R585*     Y
Bar Graph (Meter) Display   R280*     Y
7-Segment Display   R240*   Y Y
TFT (Colour display with touch-panel)   R430* Y    
EVE Graphics Controller [i]   R915* Y Y Y
Touch-Panel Controller   R335* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R680*     Y
Analogue          
ADC (Analogue to digital converter)   R565*   Y Y
LDC (Inductance to digital converter)   R815*   Y Y
Potentiometer (8 Potentiometers)   R380*   Y  
Digital Potentiometer   R120*   Y Y
DAC (Digital to analogue converter)   R440*   Y Y
Comparator   R280*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R380* Y Y Y
Thermocouple (Temperature)   R680*     Y
Infra-Red Thermometer   R760*     Y
Pressure Sensor   R585*     Y
GPS          
GPS   R600*   Y Y
GNSS   R485*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R280* Y   Y
Tilt Sensor   R300*     Y
Gyroscope   R350*     Y
Compass   R350*     Y
Magnetic Field Detection (Hall Sensor)   R280*     Y
Motion Sensor   R180* Y   Y
Proximity/Distance Sensor   R235*     Y
Altitude Sensor   R200*     Y
Stretch Measurement   R1,250*     Y
Force & Weight          
Force   R740*     Y
Light & Colour Measurement          
Ambient Light Sensor   R225*     Y
Light to Frequency Converter   R355*   Y Y
UV Light Detector   R565*     Y
Color Sensor   R360*     Y
Line Following   R360*     Y
Chemical Detection          
Alcohol Sensor   R360*     Y
Air Quality Sensor   R400*     Y
Ozone Detection (O3)       Y
CO (Carbon Monoxide) Sensor   R400*     Y
LPG (Liquefied Petroleum Gas) Sensor   R360*     Y
Methane Gas Sensor   R360*     Y
Hydrogen Gas Sensor   R360*     Y
Magnetics          
Hall Effect Sensor   R280*     Y
Lightning Proximity Detector   R815*     Y
REED Switch   R160*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R420*   Y Y
Real-Time Clock (with Dallas DS1307)   R420*   Y Y
Timer   R440*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R71.50*   Y Y
Audio Codec (MP3 / WMA / etc)   R505*   Y Y
FM Tuner   R680*     Y
Voice Recognition   R800*     Y
Text To Speech   R1,050*     Y
Audio Amplifier   R340*     Y
Noise Dectection   R680*     Y
Relay & Motor          
Relay   R440*   Y Y
Bipolar Stepper Motor Driver   R335*   Y Y
DC Motor Driver   R195*     Y
Buggy Car   R2,600*     Y
Haptic Feedback (Vibration)   R545*     Y
Power          
Step-down DC-DC converter   R460* Y    
USB Li-Po Charger   R235* Y    
Voltage Translators   R480*   Y  
Current Measurement   R220*     Y
Connectors / Adapters          
PS/2   R99.50* Y    
Miscellaneous          
Port Expander   R240*   Y Y
RF-ID Reader (125KHz)   R565*   Y  
RF-ID Reader (13.56MHz)   R680*     Y
NFC   R280*     Y
RF Meter   R1,000*     Y
Capacitive Touch Sensing   R165*     Y
Joystick Input (Hall-Effect Sensor)   R440*     Y
Joystick Input (Analogue)   R585*     Y
PWM (Pulse-Width Modulation)   R360*     Y
Camera   R760*     Y
Fingerprint Sensor   R1,050*     Y
DALI (Digital Addressable Lighting Interface)   R585*     Y
Unique ID   R220*     Y
3D Gesture Detection / Recognition   R1,100*   Y  
Heart Rate   R460*     Y
Cap Extend click   R440*     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.