INTRO
MiniROVER is a 2x4 platform designed for an indoor and outdoor operation requiring higher ground clearance and faster maneuverability.
1- BOARD
Sensing voltage monitoring.
5 analog channels and 9 digital channels for diverse use.
2- MICROCONTROLLER
Atmel Atmega 48P/328P.
3- COMMUNICATION
Bluetooth protocol: Bluetooth Specification v2.0+EDR
Frequency: 2.4GHz ISM band
Modulation: GFSK(Gaussian Frequency Shift Keying)
Emission power: ≤4dBm, Class 2
Sensitivity: ≤-84dBm at 0.1% BER
Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Security: Authentication and encryption
Profiles: Bluetooth serial port
Power supply: +3.3VDC 50mA
Working temperature: -20°C ~ +75°C
Dimension: 26.9mm x 13mm x 2.2 mm
Application
Frequency: 2.4GHz ISM band
Modulation: GFSK(Gaussian Frequency Shift Keying)
Emission power: ≤4dBm, Class 2
Sensitivity: ≤-84dBm at 0.1% BER
Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
Security: Authentication and encryption
Profiles: Bluetooth serial port
Power supply: +3.3VDC 50mA
Working temperature: -20°C ~ +75°C
Dimension: 26.9mm x 13mm x 2.2 mm
Application
Computer and peripheral devices
GPS receiver
Industrial control
MCU projects
GPS receiver
Industrial control
MCU projects
3.1 - CSR BC417143 Bluetooth module in an personal designed board.
4- MOTORS TAMYA DOUBLE GEARBOX
Typical operating voltage: 3 V
Gear ratio options: 12.7, 38, 115, 344 :1
Free-run motor shaft speed @ 3V: 12300 rpm1
Free-run current @ 3V: 150 mA2
Stall current @ 3V: 2100 mA
Motor shaft stall torque @ 3V: 0.5 oz·in3
Color: gray
Gear ratio options: 12.7, 38, 115, 344 :1
Free-run motor shaft speed @ 3V: 12300 rpm1
Free-run current @ 3V: 150 mA2
Stall current @ 3V: 2100 mA
Motor shaft stall torque @ 3V: 0.5 oz·in3
Color: gray
5- SIZE
Aluminum frame.
Length 160 mm x 140.
Between axes 110 mm.
Height 60 mm.
Weight with battery 0,38 kg.
6- CONTROL
Gamepad controller, Windows Mobile Smartphone.
7- Simple control code
#include <pololu/orangutan.h>
#include <stdlib.h>
char dadosin[8];
int dadosint;
int main()
{
serial_set_baud_rate(9600);
serial_send_blocking("ROVER V1.0 online\r\n", 20);// my welcome msg !!
while (1)
{
serial_receive(dadosin,1);
while (serial_get_received_bytes() < 1);
dadosint = atoi (dadosin); // convert char to int
switch (dadosint)
{
case 0: // case press keyboard "0"
serial_send_blocking("stop\r\n",6);
set_motors(0,0);
break;
case 1:
serial_send_blocking("go\r\n",4); //case press keyboard "1"
set_motors(30,30);
break;
case 2:
serial_send_blocking("back\r\n",6);//case press keyboard "2"
set_motors(-30,-30);
}
}
}
#include <stdlib.h>
char dadosin[8];
int dadosint;
int main()
{
serial_set_baud_rate(9600);
serial_send_blocking("ROVER V1.0 online\r\n", 20);// my welcome msg !!
while (1)
{
serial_receive(dadosin,1);
while (serial_get_received_bytes() < 1);
dadosint = atoi (dadosin); // convert char to int
switch (dadosint)
{
case 0: // case press keyboard "0"
serial_send_blocking("stop\r\n",6);
set_motors(0,0);
break;
case 1:
serial_send_blocking("go\r\n",4); //case press keyboard "1"
set_motors(30,30);
break;
case 2:
serial_send_blocking("back\r\n",6);//case press keyboard "2"
set_motors(-30,-30);
}
}
}
8- TECHNICAL DATA
Supply voltage of 6.5to 25 volts.
Idle Current(standby) 0.02 A.
Starting current 0.20A.
Current reversal peakengine 0.30
Torque motors Kg.cm.0,90
Rated current 0,25A.
Power Consumption 2W.
