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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)   R89*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R74*   Y  
4x4 Keypad   R135*   Y Y
Optocoupler   R315*     Y
Encoder   R180*     Y
Power Transistors   R270*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R285*   Y Y
RS232 (Serial Communication)   R120* Y    
USB UART (Serial/RS232 to USB interface)   R135* Y   Y
USB SPI (SPI to USB interface)   R210*     Y
USB I2C (I2C to USB interface)   R210*     Y
CAN (Controller Area Network)   R270*   Y  
CAN-SPI (CAN with SPI interface)   R315*   Y Y
RS485   R270*   Y Y
LIN (Local Interconnect Network)   R315*   Y  
4-20mA Current Loop   R390*     Y
Fiber Optic   R515*     Y
Wireless Communication          
WiFi   R375*   Y Y
ZigBee / X-Bee   R440*   Y Y
Bluetooth   R590*   Y Y
Bluetooth Low Eneregy   R375*     Y
2.4GHz Radio   R240*     Y
868MHz Radio   R870*     Y
LoRa   R795*     Y
Infra-Red   R145*     Y
IrDA   R390*   Y Y
Energy Harvesting   R590*     Y
GSM / GPRS Communication          
Telit GL865   R740*     Y
Quectel M95   R665*     Y
Quectel UG95 (3G)   R1,300*     Y
SIM800H   R840*     Y
uBlox Leon G-100   R1,300*   Y  
Storage          
MMC/SD Card   R240*   Y Y
RAM   R225* Y Y Y
Compact Flash   R315*   Y  
SerialFlash   R150*   Y Y
EEPROM   R120*   Y Y
Display / Touch Panel          
LED   R120*   Y  
LED Matrix Display   R225*     Y
Bar Graph (Meter) Display   R180*     Y
7-Segment Display   R150*   Y Y
TFT (Colour display with touch-panel)   R470* Y    
EVE Graphics Controller [i]   R590* Y Y Y
Touch-Panel Controller   R210* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R530*     Y
Analogue          
ADC (Analogue to digital converter)   R360*   Y Y
LDC (Inductance to digital converter)   R530*   Y Y
Potentiometer (8 Potentiometers)   R240*   Y  
Digital Potentiometer   R255*   Y Y
DAC (Digital to analogue converter)   R270*   Y Y
Comparator   R180*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R240* Y Y Y
Thermocouple (Temperature)   R440*     Y
Infra-Red Thermometer   R440*     Y
Pressure Sensor   R375*     Y
GPS          
GPS   R665*   Y Y
GNSS   R590*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R285* Y   Y
Tilt Sensor   R195*     Y
Gyroscope   R375*     Y
Compass   R375*     Y
Magnetic Field Detection (Hall Sensor)   R180*     Y
Motion Sensor   R195* Y   Y
Proximity/Distance Sensor   R180*     Y
Altitude Sensor   R220*     Y
Light & Colour Measurement          
Ambient Light Sensor   R240*     Y
Light to Frequency Converter   R270*   Y Y
UV Light Detector   R360*     Y
Color Sensor   R225*     Y
Line Following   R225*     Y
Chemical Detection          
Alcohol Sensor   R225*     Y
Air Quality Sensor   R250*     Y
CO (Carbon Monoxide) Sensor   R250*     Y
LPG (Liquefied Petroleum Gas) Sensor   R225*     Y
Methane Gas Sensor   R225*     Y
Hydrogen Gas Sensor   R225*     Y
Magnetics          
Hall Effect Sensor   R180*     Y
Lightning Proximity Detector   R530*     Y
REED Switch   R105*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R315*   Y Y
Real-Time Clock (with Dallas DS1307)   R315*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R135*   Y Y
Audio Codec (MP3 / WMA / etc)   R330*   Y Y
FM Tuner   R440*     Y
Voice Recognition   R590*     Y
Text To Speech   R590*     Y
Relay & Motor          
Relay   R270*   Y Y
Bipolar Stepper Motor Driver   R270*   Y Y
DC Motor Driver   R210*     Y
Buggy Car   R1,700*     Y
Haptic Feedback (Vibration)   R345*     Y
Power          
Step-down DC-DC converter   R285* Y    
USB Li-Po Charger   R150* Y    
Voltage Translators   R300*   Y  
Current Measurement   R360*     Y
Connectors / Adapters          
PS/2   R75.50* Y    
Miscellaneous          
Port Expander   R180*   Y Y
RF-ID Reader (125KHz)   R360*   Y  
RF-ID Reader (13.56MHz)   R440*     Y
NFC   R180*     Y
RF Meter   R665*     Y
Capacitive Touch Sensing   R180*     Y
Joystick Input (Hall-Effect Sensor)   R330*     Y
Joystick Input (Analogue)   R300*     Y
PWM (Pulse-Width Modulation)   R225*     Y
Camera   R590*     Y
Fingerprint Sensor   R810*     Y
DALI (Digital Addressable Lighting Interface)   R375*     Y
Unique ID   R135*     Y
3D Gesture Detection / Recognition   R740*   Y  
Heart Rate   R285*     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.