TurtleBot 3

TurtleBot 3
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Friday, July 12, 2013

The Specs for the CM-9.04 New Open Source Servo Control Board from Robotis have just been released.



The new Robotis open source servo control board will be out soon. It is the replacement for the CM-900. The improvements are in price from 20 to 10 dollars USD, smaller size and doubling of the amount of flash memory.

Link to the CM-900 and soon to be CM-9.04 website.






 
CM-9.04
CM-900
CPU
STM32F103CB (ARM Cortex-M3)
STM32F103C8 (ARM Cortex-M3)
Op Voltage
5V~16V( USB 5V, DXL 12V, 7.4V)
5V~35V( USB 5V, DXL 12V, 7.4V)
I/O
GPIO 28
GPIO 32
Timer
8
8
Analog In(ADC)
10(12bit)
10(12bit)
Analog Out(DAC)
X
X
Flash
128 Kbytes
64 Kbytes
SRAM
20 Kbytes
20 Kbytes
Clock
72Mhz(9 X 8Mhz)
72Mhz(9 X 8Mhz)
USB
1(2.0 FS)
1(2.0 FS)
CAN
1
1
USART
3
3
SPI
2
2
I2C(TWI)
2
2
Debug
JTAG & SWD
JTAG & SWD
DMA
7ch
7ch
3 Pin TTL
4(AX12 Compatible 3Pin)
2
4 Pin RS485
X
2
Mini 3Pin TTL
4(AX12 Compatible 3Pin)
1
External ADC Ref
YES
NO
DC Jack
NO
YES
S/W
ROBOTIS CM9
ROBOTIS CM9
SIZE
27mm X 66.5 mm
60mm X 54 mm
Price
Around 10$
Around 20$

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