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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)   R68.50*   Y  
PULL (Pull-Up / Pull-Down Resistors)   R57*   Y  
4x4 Keypad   R175*   Y Y
Optocoupler   R410*     Y
Encoder   R235*     Y
Power Transistors   R210*   Y  
Communication          
Wired Communication          
Ethernet (LAN)   R370*   Y Y
RS232 (Serial Communication)   R155* Y    
USB UART (Serial/RS232 to USB interface)   R175* Y   Y
USB SPI (SPI to USB interface)   R270*     Y
USB I2C (I2C to USB interface)   R270*     Y
CAN (Controller Area Network)   R350*   Y  
CAN-SPI (CAN with SPI interface)   R245*   Y Y
RS485   R210*   Y Y
LIN (Local Interconnect Network)   R410*   Y  
4-20mA Current Loop   R495*     Y
Fiber Optic   R645*     Y
Wireless Communication          
WiFi   R510*   Y Y
ZigBee / X-Bee   R550*   Y Y
Bluetooth   R670*   Y Y
Bluetooth Low Eneregy   R475*     Y
2.4GHz Radio   R185*     Y
868MHz Radio   R1,100*     Y
LoRa   R1,000*     Y
Infra-Red   R110*     Y
IrDA   R490*   Y Y
Energy Harvesting   R740*     Y
GSM / GPRS Communication          
Telit GL865   R930*     Y
Quectel M95   R835*     Y
Quectel UG95 (3G)   R1,600*     Y
SIM800H   R1,050*     Y
uBlox Leon G-100   R1,650*   Y  
Storage          
MMC/SD Card   R230*   Y Y
RAM   R175* Y Y Y
Compact Flash   R410*   Y  
SerialFlash   R195*   Y Y
EEPROM   R93*   Y Y
Display / Touch Panel          
LED   R93*   Y  
LED Matrix Display   R175*     Y
Bar Graph (Meter) Display   R235*     Y
7-Segment Display   R195*   Y Y
TFT (Colour display with touch-panel)   R360* Y    
EVE Graphics Controller [i]   R740* Y Y Y
Touch-Panel Controller   R270* Y Y  
LCD/GLCD Display Adapters       Y  
On-Screen-Display   R665*     Y
Analogue          
ADC (Analogue to digital converter)   R280*   Y Y
LDC (Inductance to digital converter)   R665*   Y Y
Potentiometer (8 Potentiometers)   R310*   Y  
Digital Potentiometer   R115*   Y Y
DAC (Digital to analogue converter)   R350*   Y Y
Comparator   R235*     Y
Environment Measurement          
Temperature, Humidity & Pressure Measurement          
Temperature and Humidity   R310* Y Y Y
Thermocouple (Temperature)   R550*     Y
Infra-Red Thermometer   R1,100*     Y
Pressure Sensor   R475*     Y
GPS          
GPS   R500*   Y Y
GNSS   R740*     Y
Motion & Position Measurement          
Three-Axis Accelerometer   R370* Y   Y
Tilt Sensor   R250*     Y
Gyroscope   R290*     Y
Compass   R290*     Y
Magnetic Field Detection (Hall Sensor)   R235*     Y
Motion Sensor   R150* Y   Y
Proximity/Distance Sensor   R200*     Y
Altitude Sensor   R170*     Y
Light & Colour Measurement          
Ambient Light Sensor   R185*     Y
Light to Frequency Converter   R345*   Y Y
UV Light Detector   R465*     Y
Color Sensor   R290*     Y
Line Following   R290*     Y
Chemical Detection          
Alcohol Sensor   R175*     Y
Air Quality Sensor   R320*     Y
CO (Carbon Monoxide) Sensor   R320*     Y
LPG (Liquefied Petroleum Gas) Sensor   R290*     Y
Methane Gas Sensor   R290*     Y
Hydrogen Gas Sensor   R290*     Y
Magnetics          
Hall Effect Sensor   R235*     Y
Lightning Proximity Detector   R665*     Y
REED Switch   R135*     Y
Timekeeping          
Real-Time Clock (with PCF8583)   R245*   Y Y
Real-Time Clock (with Dallas DS1307)   R410*   Y Y
Audio          
Piezo Buzzer (20Hz - 20KHz)   R105*   Y Y
Audio Codec (MP3 / WMA / etc)   R425*   Y Y
FM Tuner   R550*     Y
Voice Recognition   R740*     Y
Text To Speech   R740*     Y
Relay & Motor          
Relay   R210*   Y Y
Bipolar Stepper Motor Driver   R280*   Y Y
DC Motor Driver   R270*     Y
Buggy Car   R2,100*     Y
Haptic Feedback (Vibration)   R445*     Y
Power          
Step-down DC-DC converter   R370* Y    
USB Li-Po Charger   R190* Y    
Voltage Translators   R230*   Y  
Current Measurement   R280*     Y
Connectors / Adapters          
PS/2   R97* Y    
Miscellaneous          
Port Expander   R235*   Y Y
RF-ID Reader (125KHz)   R465*   Y  
RF-ID Reader (13.56MHz)   R550*     Y
NFC   R235*     Y
RF Meter   R835*     Y
Capacitive Touch Sensing   R140*     Y
Joystick Input (Hall-Effect Sensor)   R425*     Y
Joystick Input (Analogue)   R390*     Y
PWM (Pulse-Width Modulation)   R290*     Y
Camera   R740*     Y
Fingerprint Sensor   R1,000*     Y
DALI (Digital Addressable Lighting Interface)   R475*     Y
Unique ID   R175*     Y
3D Gesture Detection / Recognition   R930*   Y  
Heart Rate   R370*     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.