Dagu TRex Robot Controller - Arduino Compatible

The Dagu TRex robot controller is a powerful feature rich Arduino compatible controller. Using the ATmega328P common on Arduino boards the TRex adds huge 9A continuous motor drivers, 3-axis accelerometer, 5V regulator for your use and easy headers for connecting servos and sensors.

Not currently available

Our Code: MCU-60146


The   T’REX   controller   from   DAGU   is   an   Arduino   compatible   robot   controller   designed   to power and control servos and brushed motors. Supplied samplecode allows the controller to   connect   to   a   radio   control   receiver ,   external   controller   via   I²C   or   optional   bluetooth interface.   A   sample   app   allows the   controller   to   be   controlled   by   an   Android   phone   or tablet.

The   A Tmega328P   controller   comes   with   the   Arduino   bootloader   and   customer   software can be uploaded viathe built in USB interface, ISP or FTDI sockets.

The  Dual  H  bridges  are  rated  for   stall  currents  of  40A  per  motor  and  average  currents  of 18A per motor. Factory calibrated hall-effectsensors measure current draw of each motor . Each motor has  independent variable electronic braking. Self-resetting PTC  fuses prevent damage from stalled motors.

The  built  in  switch   mode  power  supply  allows   the  controller  to  work  over  a  wide   range  of voltages  from   6V  –  30V  and  delivers  3A  of  current  at  6V  for   driving   servos.  The  5V  LDO regulator can deliver in excess of2A if required for poweringan external controller . A built in 3-axis accelerometer provides robots with angle, acceleration and impact data.


TRex robot controller with bluetooth module fitted



MCU  ATmega328P 
Clock 16MHz 
Logic Voltage  5V 
Flash  32k 
SRAM  2k 
Bootloader  Arduino Nano w/ ATmega328 

Power Supply

Supply Voltage 6-30V Continuous 
Power switching FET max current  20A continuous, 110A peak 
Switch mode regulator  6V, 3A max 
+5V output  2A, 3A peak 

Dual H-Bridge

Voltage  Powered from battery 
Current per motor  9A continuous - 40 peak 
Current sensor  100mV per Amp 
Fuse  30V, 9A self-resetting PTC 
Fuse resistance  0.005-0.020ohm 
Fuse hold current  9A continuous 
Fuse trip current  18A min 
Fuse max current  40A max 
Electronic braking current  85 A 


Type  MMA7361L Freescale Semiconductor 
Voltage  3.3V 
Sensitivity  1.5g or 6g 
Output  Analog 


Instruction Manual

Sample code and manufacturers support page

USB Interface Drivers