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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)   R84.50*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R70.50*   Y  
4x4 Keypad   R130*   Y Y
Optocoupler   R300*     Y
Encoder   R170*     Y
Power Transistors   R260*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R275*   Y Y
RS232 (Serial Communication)   R115* Y    
USB UART (Serial/RS232 to USB interface)   R130* Y   Y
USB SPI (SPI to USB interface)   R200*     Y
USB I2C (I2C to USB interface)   R200*     Y
CAN (Controller Area Network)   R260*   Y  
CAN-SPI (CAN with SPI interface)   R300*   Y Y
RS485   R260*   Y Y
LIN (Local Interconnect Network)   R300*   Y  
4-20mA Current Loop   R375*     Y
Fiber Optic   R490*     Y
Wireless Communication          
WiFi   R360*   Y Y
ZigBee / X-Bee   R415*   Y Y
Bluetooth   R560*   Y Y
Bluetooth Low Eneregy   R360*     Y
2.4GHz Radio   R230*     Y
868MHz Radio   R830*     Y
LoRa   R760*     Y
Infra-Red   R135*     Y
IrDA   R370*   Y Y
Energy Harvesting   R560*     Y
GSM / GPRS Communication          
Telit GL865   R705*     Y
Quectel M95   R630*     Y
Quectel UG95 (3G)   R1,200*     Y
SIM800H   R800*     Y
uBlox Leon G-100   R1,250*   Y  
Storage          
MMC/SD Card   R230*   Y Y
RAM   R215* Y Y Y
Compact Flash   R300*   Y  
SerialFlash   R145*   Y Y
EEPROM   R115*   Y Y
Display / Touch Panel          
LED   R115*   Y  
LED Matrix Display   R215*     Y
Bar Graph (Meter) Display   R170*     Y
7-Segment Display   R145*   Y Y
TFT (Colour display with touch-panel)   R445* Y    
EVE Graphics Controller [i]   R560* Y Y Y
Touch-Panel Controller   R200* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R500*     Y
Analogue          
ADC (Analogue to digital converter)   R345*   Y Y
LDC (Inductance to digital converter)   R500*   Y Y
Potentiometer (8 Potentiometers)   R230*   Y  
Digital Potentiometer   R245*   Y Y
DAC (Digital to analogue converter)   R260*   Y Y
Comparator   R170*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R230* Y Y Y
Thermocouple (Temperature)   R415*     Y
Infra-Red Thermometer   R415*     Y
Pressure Sensor   R360*     Y
GPS          
GPS   R630*   Y Y
GNSS   R560*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R275* Y   Y
Tilt Sensor   R185*     Y
Gyroscope   R360*     Y
Compass   R360*     Y
Magnetic Field Detection (Hall Sensor)   R170*     Y
Motion Sensor   R185* Y   Y
Proximity/Distance Sensor   R170*     Y
Altitude Sensor   R210*     Y
Light & Colour Measurement          
Ambient Light Sensor   R230*     Y
Light to Frequency Converter   R255*   Y Y
UV Light Detector   R345*     Y
Color Sensor   R215*     Y
Line Following   R215*     Y
Chemical Detection          
Alcohol Sensor   R215*     Y
Air Quality Sensor   R235*     Y
CO (Carbon Monoxide) Sensor   R235*     Y
LPG (Liquefied Petroleum Gas) Sensor   R215*     Y
Methane Gas Sensor   R215*     Y
Hydrogen Gas Sensor   R215*     Y
Magnetics          
Hall Effect Sensor   R170*     Y
Lightning Proximity Detector   R500*     Y
REED Switch   R100*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R300*   Y Y
Real-Time Clock (with Dallas DS1307)   R300*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R130*   Y Y
Audio Codec (MP3 / WMA / etc)   R315*   Y Y
FM Tuner   R415*     Y
Voice Recognition   R560*     Y
Text To Speech   R560*     Y
Relay & Motor          
Relay   R260*   Y Y
Bipolar Stepper Motor Driver   R260*   Y Y
DC Motor Driver   R200*     Y
Buggy Car   R1,650*     Y
Haptic Feedback (Vibration)   R330*     Y
Power          
Step-down DC-DC converter   R275* Y    
USB Li-Po Charger   R140* Y    
Voltage Translators   R285*   Y  
Current Measurement   R345*     Y
Connectors / Adapters          
PS/2   R72* Y    
Miscellaneous          
Port Expander   R170*   Y Y
RF-ID Reader (125KHz)   R345*   Y  
RF-ID Reader (13.56MHz)   R415*     Y
NFC   R170*     Y
RF Meter   R630*     Y
Capacitive Touch Sensing   R170*     Y
Joystick Input (Hall-Effect Sensor)   R315*     Y
Joystick Input (Analogue)   R285*     Y
PWM (Pulse-Width Modulation)   R215*     Y
Camera   R560*     Y
Fingerprint Sensor   R770*     Y
DALI (Digital Addressable Lighting Interface)   R360*     Y
Unique ID   R130*     Y
3D Gesture Detection / Recognition   R705*   Y  
Heart Rate   R275*     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.