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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)   R69*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R57.50*   Y  
4x4 Keypad   R150*   Y Y
Optocoupler   R350*     Y
Encoder   R200*     Y
Power Transistors   R210*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R320*   Y Y
RS232 (Serial Communication)   R130* Y    
USB UART (Serial/RS232 to USB interface)   R150* Y   Y
USB SPI (SPI to USB interface)   R235*     Y
USB I2C (I2C to USB interface)   R235*     Y
CAN (Controller Area Network)   R300*   Y  
CAN-SPI (CAN with SPI interface)   R245*   Y Y
RS485   R210*   Y Y
LIN (Local Interconnect Network)   R300*   Y  
4-20mA Current Loop   R425*     Y
Fiber Optic   R555*     Y
Wireless Communication          
WiFi   R445*   Y Y
ZigBee / X-Bee   R475*   Y Y
Bluetooth   R640*   Y Y
Bluetooth Low Eneregy   R410*     Y
2.4GHz Radio   R190*     Y
868MHz Radio   R945*     Y
LoRa   R865*     Y
Infra-Red   R110*     Y
IrDA   R425*   Y Y
Energy Harvesting   R640*     Y
GSM / GPRS Communication          
Telit GL865   R805*     Y
Quectel M95   R720*     Y
Quectel UG95 (3G)   R1,400*     Y
SIM800H   R915*     Y
uBlox Leon G-100   R1,400*   Y  
Storage          
MMC/SD Card   R235*   Y Y
RAM   R175* Y Y Y
Compact Flash   R350*   Y  
SerialFlash   R170*   Y Y
EEPROM   R94*   Y Y
Display / Touch Panel          
LED   R94*   Y  
LED Matrix Display   R250*     Y
LED Ring   R270*     Y
Bar Graph (Meter) Display   R200*     Y
7-Segment Display   R170*   Y Y
TFT (Colour display with touch-panel)   R365* Y    
EVE Graphics Controller [i]   R640* Y Y Y
Touch-Panel Controller   R235* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R575*     Y
Analogue          
ADC (Analogue to digital converter)   R280*   Y Y
LDC (Inductance to digital converter)   R575*   Y Y
Potentiometer (8 Potentiometers)   R270*   Y  
Digital Potentiometer   R100*   Y Y
DAC (Digital to analogue converter)   R300*   Y Y
Comparator   R200*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R270* Y Y Y
Thermocouple (Temperature)   R475*     Y
Infra-Red Thermometer   R945*     Y
Pressure Sensor   R410*     Y
GPS          
GPS   R505*   Y Y
GNSS   R640*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R320* Y   Y
Tilt Sensor   R215*     Y
Gyroscope   R295*     Y
Compass   R295*     Y
Magnetic Field Detection (Hall Sensor)   R200*     Y
Motion Sensor   R155* Y   Y
Proximity/Distance Sensor   R200*     Y
Altitude Sensor   R170*     Y
Stretch Measurement   R575*     Y
Force & Weight          
Force   R410*     Y
Light & Colour Measurement          
Ambient Light Sensor   R190*     Y
Light to Frequency Converter   R300*   Y Y
UV Light Detector   R400*     Y
Color Sensor   R250*     Y
Line Following   R250*     Y
Chemical Detection          
Alcohol Sensor   R175*     Y
Air Quality Sensor   R275*     Y
Ozone Detection (O3)       Y
CO (Carbon Monoxide) Sensor   R275*     Y
LPG (Liquefied Petroleum Gas) Sensor   R250*     Y
Methane Gas Sensor   R250*     Y
Hydrogen Gas Sensor   R250*     Y
Magnetics          
Hall Effect Sensor   R200*     Y
Lightning Proximity Detector   R575*     Y
REED Switch   R115*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R350*   Y Y
Real-Time Clock (with Dallas DS1307)   R350*   Y Y
Timer   R300*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R105*   Y Y
Audio Codec (MP3 / WMA / etc)   R365*   Y Y
FM Tuner   R475*     Y
Voice Recognition   R400*     Y
Text To Speech   R640*     Y
Audio Amplifier   R235*     Y
Noise Dectection   R475*     Y
Relay & Motor          
Relay   R300*   Y Y
Bipolar Stepper Motor Driver   R280*   Y Y
DC Motor Driver   R235*     Y
Buggy Car   R1,800*     Y
Haptic Feedback (Vibration)   R385*     Y
Power          
Step-down DC-DC converter   R320* Y    
USB Li-Po Charger   R165* Y    
Voltage Translators   R235*   Y  
Current Measurement   R150*     Y
Connectors / Adapters          
PS/2   R84* Y    
Miscellaneous          
Port Expander   R200*   Y Y
RF-ID Reader (125KHz)   R400*   Y  
RF-ID Reader (13.56MHz)   R475*     Y
NFC   R200*     Y
RF Meter   R720*     Y
Capacitive Touch Sensing   R140*     Y
Joystick Input (Hall-Effect Sensor)   R370*     Y
Joystick Input (Analogue)   R335*     Y
PWM (Pulse-Width Modulation)   R250*     Y
Camera   R640*     Y
Fingerprint Sensor   R880*     Y
DALI (Digital Addressable Lighting Interface)   R410*     Y
Unique ID   R150*     Y
3D Gesture Detection / Recognition   R805*   Y  
Heart Rate   R320*     Y
Cap Extend click   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.