rero:micro, the ready-assembled coding robot
rero:micro arrives fully assembled, so students spend class time programming rather than building. It is driven by a micro:bit (included) and programmed in Microsoft MakeCode, using either drag-and-drop blocks or JavaScript.

Unboxing video
See what comes in the box and how rero:micro looks in action.
Built to draw, connect and expand
Draws on paper
Fit the gel pen, or a whiteboard marker for bolder lines.
Talks wirelessly
Robots talk to each other over the micro:bit radio, and to PCs and smart devices over Bluetooth.
I2C expansion
An I2C port for extra sensors, displays and modules.
Easy to extend
Mounting holes for LEGO parts, DIY items or 3D-printed attachments.
Clearly labelled
Each feature and its micro:bit pin is labelled on the robot.



Ready to program out of the box
rero:micro robot
Fully assembled.
micro:bit board
The brain that drives the robot.
Li-ion battery
Rechargeable.
Gel pen
For drawing on paper.
A 10-lesson programme
Each lesson has a booklet, video guides, activity code and sample code in the rero:micro Resource Hub.
Hello, World!
Program the LED matrix and download code to the robot.
Colour Splash!
Set up RGB LEDs, create colour patterns and use loops.
Let the Music Begin
Read music sheets, play melodies on the piezo buzzer, use buttons A and B, and create functions.
Let’s Move It, Move It
Make the robot move and turn, adjusting speed and delay to control distance and angle.
Collision Detection
Use the motion sensor, find a threshold by trial and error, and use variables.
Obstacle Detection
Use the ultrasonic sensor with if-then-else conditions.
Light and Shadow
Use the LED matrix as a light sensor, average readings and set a threshold.
Follow the Line
Follow a line using infrared sensors.
Conjunction Junction
Detect junctions and count them with variables.
Explore the World Beyond
Stay within boundary lines and use a timer.
Everything for the classroom, at no extra cost
Available in the rero:micro Resource Hub for all 10 lessons.
Booklets and videos
Lesson booklets, video tutorials, and activity and sample code for all 10 lessons.
Demo code and track
Preloaded rero:micro demo code and a printable track.
Printable add-ons
3D-printable pen holder base, pen adapter and reset button extender.
Bring rero:micro to your classroom
Talk to our team about rero:micro for schools, coding clubs and robotics programmes.
rero:micro is designed and made by Cytron Technologies Sdn Bhd.








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