![]() Extra Ground ,5V and 12 V power connectors.6 pin ISP Programming connector (AVR ISP).12 LED's for easy debugging of Motor Control Circuits.Build in Serial port(USART) for Serial Control.Selectable Motor Drive Voltages for 5V and 12V motors.MAX485 based half duplex RS485 communication Port.Control upto 8 DC motors (undirectional).Twin L293D motor drivers for bidirectional control of 4 DC motors.The Board can be easily programmed using any commonly available AVR programmers like USBtinyISP. Extra 12V ,5V and Ground Pins are available. Screw terminals on the board provide an easy way to connect your motors to the board. The 12 LED's present on the board shows the Logic Levels of the 2 L293D chips on the board. This provides a flexible way for connecting a variety of motors to your board. The user can also select the voltage levels (5V and 12V) at which the motors are driven using a jumper. You can use the board as a slave unit for controlling the motors of your robot through a serial interface which will save the pins of your host microcontroller. The Board is designed for controlling upto 4 DC brushed motors bidirectionally(Clockwise,Anticlockwise) or 8 motors unidirectionally through a serial interface like UART or RS485 port. The motor control section contains two L293D chips and the RS485 communication section is build around the popular MAX485 chip from Maxim. Serial/RS485 based interface for saving microcontroller pins.ġ2 LED's for easy debugging and control of your Motor circuits.ĪTtiny RS485 Quad Motor Control board is a AVR development board with 20 pin ATtiny2313 microcontroller along with Motor control and RS485 communication Ports. User s electable motor drive voltages of 5V and 12V makes it easy to interface a variety of motors with the board. The board is capable of Driving 4 DC brushed Motors bidirectionally or upto 8 Motors ominidirectionally. It might require specific hardware features that may be available only on some boards.ATtiny2313 development board with twin L293D drivers and MAX485 based RS485 communication Port. Note: while the library is supposed to compile correctly on these architectures, TinySerialOut is a bit like the SoftwareSerial libray, but taylored for ATtinys and simpler and more lightweight.Basic functions are: writeBinary(), writeInt() etc.writeString()Serial.print(), Serial.println()Default TX pin is PB2 on an ATtiny85, PD6 on ATtiny88 and PA1 on an ATtiny167.Contains the OpenWindowAlarm example.New: Renamed ATtinySerialOut.cpp to ATtinySerialOut.hpp = TX pin can be defined in main program. Minimal bit-bang send serial 115200 or 38400 baud for 1 MHz or 230400 baud for 8/16 MHz ATtiny clock.Perfect for debugging purposes.Code size is only 76 baud or 196 baud (including first call) ![]()
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