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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)   R80*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R66.50*   Y  
4x4 Keypad   R120*   Y Y
Optocoupler   R285*     Y
Encoder   R165*     Y
Power Transistors   R245*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R260*   Y Y
RS232 (Serial Communication)   R105* Y    
USB UART (Serial/RS232 to USB interface)   R120* Y   Y
USB SPI (SPI to USB interface)   R190*     Y
USB I2C (I2C to USB interface)   R190*     Y
CAN (Controller Area Network)   R245*   Y  
CAN-SPI (CAN with SPI interface)   R285*   Y Y
RS485   R245*   Y Y
LIN (Local Interconnect Network)   R285*   Y  
4-20mA Current Loop   R355*     Y
Fiber Optic   R460*     Y
Wireless Communication          
WiFi   R340*   Y Y
ZigBee / X-Bee   R395*   Y Y
Bluetooth   R530*   Y Y
Bluetooth Low Eneregy   R340*     Y
2.4GHz Radio   R220*     Y
868MHz Radio   R785*     Y
LoRa   R715*     Y
Infra-Red   R130*     Y
IrDA   R350*   Y Y
Energy Harvesting   R530*     Y
GSM / GPRS Communication          
Telit GL865   R665*     Y
Quectel M95   R600*     Y
Quectel UG95 (3G)   R1,150*     Y
SIM800H   R755*     Y
uBlox Leon G-100   R1,150*   Y  
Storage          
MMC/SD Card   R220*   Y Y
RAM   R205* Y Y Y
Compact Flash   R285*   Y  
SerialFlash   R135*   Y Y
EEPROM   R110*   Y Y
Display / Touch Panel          
LED   R110*   Y  
LED Matrix Display   R205*     Y
Bar Graph (Meter) Display   R165*     Y
7-Segment Display   R135*   Y Y
TFT (Colour display with touch-panel)   R420* Y    
EVE Graphics Controller [i]   R530* Y Y Y
Touch-Panel Controller   R190* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R475*     Y
Analogue          
ADC (Analogue to digital converter)   R325*   Y Y
LDC (Inductance to digital converter)   R475*   Y Y
Potentiometer (8 Potentiometers)   R220*   Y  
Digital Potentiometer   R81.50*   Y Y
DAC (Digital to analogue converter)   R245*   Y Y
Comparator   R165*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R220* Y Y Y
Thermocouple (Temperature)   R395*     Y
Infra-Red Thermometer   R395*     Y
Pressure Sensor   R340*     Y
GPS          
GPS   R600*   Y Y
GNSS   R530*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R260* Y   Y
Tilt Sensor   R175*     Y
Gyroscope   R340*     Y
Compass   R340*     Y
Magnetic Field Detection (Hall Sensor)   R165*     Y
Motion Sensor   R175* Y   Y
Proximity/Distance Sensor   R165*     Y
Altitude Sensor   R195*     Y
Light & Colour Measurement          
Ambient Light Sensor   R220*     Y
Light to Frequency Converter   R245*   Y Y
UV Light Detector   R325*     Y
Color Sensor   R205*     Y
Line Following   R205*     Y
Chemical Detection          
Alcohol Sensor   R205*     Y
Air Quality Sensor   R225*     Y
CO (Carbon Monoxide) Sensor   R225*     Y
LPG (Liquefied Petroleum Gas) Sensor   R205*     Y
Methane Gas Sensor   R205*     Y
Hydrogen Gas Sensor   R205*     Y
Magnetics          
Hall Effect Sensor   R165*     Y
Lightning Proximity Detector   R475*     Y
REED Switch   R95*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R285*   Y Y
Real-Time Clock (with Dallas DS1307)   R285*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R120*   Y Y
Audio Codec (MP3 / WMA / etc)   R300*   Y Y
FM Tuner   R395*     Y
Voice Recognition   R530*     Y
Text To Speech   R530*     Y
Relay & Motor          
Relay   R245*   Y Y
Bipolar Stepper Motor Driver   R245*   Y Y
DC Motor Driver   R190*     Y
Buggy Car   R1,550*     Y
Haptic Feedback (Vibration)   R315*     Y
Power          
Step-down DC-DC converter   R260* Y    
USB Li-Po Charger   R135* Y    
Voltage Translators   R270*   Y  
Current Measurement   R325*     Y
Connectors / Adapters          
PS/2   R68* Y    
Miscellaneous          
Port Expander   R165*   Y Y
RF-ID Reader (125KHz)   R325*   Y  
RF-ID Reader (13.56MHz)   R395*     Y
NFC   R165*     Y
RF Meter   R600*     Y
Capacitive Touch Sensing   R165*     Y
Joystick Input (Hall-Effect Sensor)   R300*     Y
Joystick Input (Analogue)   R270*     Y
PWM (Pulse-Width Modulation)   R205*     Y
Camera   R530*     Y
Fingerprint Sensor   R730*     Y
DALI (Digital Addressable Lighting Interface)   R340*     Y
Unique ID   R120*     Y
3D Gesture Detection / Recognition   R665*   Y  
Heart Rate   R260*     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.