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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)   R86.50*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R71.50*   Y  
4x4 Keypad   R190*   Y Y
Optocoupler   R440*     Y
Encoder   R250*     Y
Power Transistors   R265*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R280*   Y Y
RS232 (Serial Communication)   R165* Y    
USB UART (Serial/RS232 to USB interface)   R190* Y   Y
USB SPI (SPI to USB interface)   R290*     Y
USB I2C (I2C to USB interface)   R290*     Y
CAN (Controller Area Network)   R375*   Y  
CAN-SPI (CAN with SPI interface)   R305*   Y Y
RS485   R265*   Y Y
LIN (Local Interconnect Network)   R375*   Y  
4-20mA Current Loop   R530*     Y
Fiber Optic   R695*     Y
Wireless Communication          
WiFi   R550*   Y Y
ZigBee / X-Bee   R735*   Y Y
Bluetooth   R845*   Y Y
Bluetooth Low Eneregy   R510*     Y
2.4GHz Radio   R235*     Y
868MHz Radio   R1,200*     Y
LoRa   R1,100*     Y
Infra-Red   R140*     Y
IrDA   R530*   Y Y
Energy Harvesting   R795*     Y
GSM / GPRS Communication          
Telit GL865   R1,000*     Y
Quectel M95   R900*     Y
Quectel UG95 (3G)   R1,250*     Y
SIM800H   R1,150*     Y
uBlox Leon G-100   R1,750*   Y  
Storage          
MMC/SD Card   R290*   Y Y
RAM   R220* Y Y Y
Compact Flash   R440*   Y  
SerialFlash   R210*   Y Y
EEPROM   R165*   Y Y
Display / Touch Panel          
LED   R115*   Y  
LED Matrix Display   R315*     Y
LED Ring   R510*     Y
Bar Graph (Meter) Display   R250*     Y
7-Segment Display   R210*   Y Y
TFT (Colour display with touch-panel)   R455* Y    
EVE Graphics Controller [i]   R795* Y Y Y
Touch-Panel Controller   R295* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R715*     Y
Analogue          
ADC (Analogue to digital converter)   R500*   Y Y
LDC (Inductance to digital converter)   R715*   Y Y
Potentiometer (8 Potentiometers)   R335*   Y  
Digital Potentiometer   R125*   Y Y
DAC (Digital to analogue converter)   R375*   Y Y
Comparator   R250*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R335* Y Y Y
Thermocouple (Temperature)   R595*     Y
Infra-Red Thermometer   R1,200*     Y
Pressure Sensor   R510*     Y
GPS          
GPS   R630*   Y Y
GNSS   R795*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R395* Y   Y
Tilt Sensor   R270*     Y
Gyroscope   R365*     Y
Compass   R365*     Y
Magnetic Field Detection (Hall Sensor)   R250*     Y
Motion Sensor   R190* Y   Y
Proximity/Distance Sensor   R250*     Y
Altitude Sensor   R210*     Y
Stretch Measurement   R1,100*     Y
Force & Weight          
Force   R655*     Y
Light & Colour Measurement          
Ambient Light Sensor   R235*     Y
Light to Frequency Converter   R375*   Y Y
UV Light Detector   R500*     Y
Color Sensor   R220*     Y
Line Following   R315*     Y
Chemical Detection          
Alcohol Sensor   R315*     Y
Air Quality Sensor   R345*     Y
Ozone Detection (O3)       Y
CO (Carbon Monoxide) Sensor   R345*     Y
LPG (Liquefied Petroleum Gas) Sensor   R315*     Y
Methane Gas Sensor   R315*     Y
Hydrogen Gas Sensor   R315*     Y
Magnetics          
Hall Effect Sensor   R250*     Y
Lightning Proximity Detector   R715*     Y
REED Switch   R145*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R440*   Y Y
Real-Time Clock (with Dallas DS1307)   R440*   Y Y
Timer   R375*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R62.50*   Y Y
Audio Codec (MP3 / WMA / etc)   R460*   Y Y
FM Tuner   R595*     Y
Voice Recognition   R695*     Y
Text To Speech   R940*     Y
Audio Amplifier   R295*     Y
Noise Dectection   R595*     Y
Relay & Motor          
Relay   R375*   Y Y
Bipolar Stepper Motor Driver   R350*   Y Y
DC Motor Driver   R205*     Y
Buggy Car   R2,250*     Y
Haptic Feedback (Vibration)   R480*     Y
Power          
Step-down DC-DC converter   R395* Y    
USB Li-Po Charger   R205* Y    
Voltage Translators   R290*   Y  
Current Measurement   R190*     Y
Connectors / Adapters          
PS/2   R105* Y    
Miscellaneous          
Port Expander   R250*   Y Y
RF-ID Reader (125KHz)   R500*   Y  
RF-ID Reader (13.56MHz)   R595*     Y
NFC   R250*     Y
RF Meter   R900*     Y
Capacitive Touch Sensing   R175*     Y
Joystick Input (Hall-Effect Sensor)   R460*     Y
Joystick Input (Analogue)   R510*     Y
PWM (Pulse-Width Modulation)   R310*     Y
Camera   R795*     Y
Fingerprint Sensor   R1,100*     Y
DALI (Digital Addressable Lighting Interface)   R510*     Y
Unique ID   R190*     Y
3D Gesture Detection / Recognition   R1,000*   Y  
Heart Rate   R395*     Y
Cap Extend click   R375*     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.