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| en:iot-open:practical:hardware:ittgroup:atmel [2025/09/02 08:10] – raivo.sell | en:iot-open:practical:hardware:ittgroup:atmel [2025/09/02 08:36] (current) – raivo.sell | ||
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| * Automatic power switch USB or external power supply | * Automatic power switch USB or external power supply | ||
| * Built-in voltage stabilizer, with 5 V and 3,3 V output | * Built-in voltage stabilizer, with 5 V and 3,3 V output | ||
| - | * | + | |
| <figure atmega2561> | <figure atmega2561> | ||
| {{ : | {{ : | ||
| Line 31: | Line 31: | ||
| </ | </ | ||
| + | ==== Connector Pins and Functions ==== | ||
| All ATmega2561 signals are available on three connectors on the edge of the board. | All ATmega2561 signals are available on three connectors on the edge of the board. | ||
| - | [{{: | ||
| - | |||
| - | ==== Connector Pins and Functions ==== | ||
| {{: | {{: | ||
| Line 53: | Line 50: | ||
| |11|PF3|ADC3|ADC Input Channel 3| | |11|PF3|ADC3|ADC Input Channel 3| | ||
| |12|GND|-|GND | | |12|GND|-|GND | | ||
| - | |||
| - | < | ||
| {{: | {{: | ||
| Line 128: | Line 123: | ||
| * Buzzer; | * Buzzer; | ||
| + | <figure ui> | ||
| {{: | {{: | ||
| + | < | ||
| + | </ | ||
| + | |||
| === Electrical connections === | === Electrical connections === | ||
| - | User Interface module is connected to Controller module to ports PA/PC/PG, which includes the 8-pin ports PA and PC and 6-pin port PG. | + | The User Interface module is connected to the Controller module to ports PA/PC/PG, which includes the 8-pin ports PA and PC and the 6-pin port PG. |
| - | User Interface module is equipped with three buttons S1, S2, S3 which are connected to ports PC0, PC1, PC2 accordingly. The other end of buttons are connected through the resistors to ground (logical 0). LED1, LED2 and LED3 on the module are connected to the ports PC3, PC4, PC5 accordingly. The anodes of LEDs are connected to the supply (logical 1). | + | The User Interface module is equipped with three buttons, S1, S2, and S3, which are connected to ports PC0, PC1, and PC2, respectively. The other ends of the buttons are connected through the resistors to ground (logical 0). LED1, LED2, and LED3 on the module are connected to the ports PC3, PC4, and PC5, respectively. The anodes of LEDs are connected to the supply (logical 1). |
| + | |||
| + | <figure ui_s> | ||
| + | {{ : | ||
| + | < | ||
| + | </ | ||
| - | [{{ : | ||
| ~~CL~~ | ~~CL~~ | ||
| - | User Interface module is equipped with 7-segment indicator, which is connected to the microcontroller ports through the driver A6275. Driver data bus (S-IN) is connected to pin PC6, clock signal (CLK) to the pin PC7 and latch signal (LATCH) to pin PG2. | + | The User Interface module is equipped with a 7-segment indicator, which is connected to the microcontroller ports through the driver A6275. Driver data bus (S-IN) is connected to pin PC6, clock signal (CLK) to the pin PC7, and latch signal (LATCH) to pin PG2. |
| - | [{{ : | + | <figure ui_7> |
| + | {{ : | ||
| + | < | ||
| + | </ | ||
| ~~CL~~ | ~~CL~~ | ||
| Line 147: | Line 153: | ||
| The graphical LCD display on the module is connected to port PA. LCD's background lighting can be logically controlled by the software. | The graphical LCD display on the module is connected to port PA. LCD's background lighting can be logically controlled by the software. | ||
| - | [{{: | + | <figure ui_lcd> |
| - | + | {{: | |
| - | ~~CL~~ | + | < |
| - | + | </ | |
| - | The buzzer is connected with controller board' | + | |
| - | [{{ : | ||
| - | < | ||
| ==== Combo module ==== | ==== Combo module ==== | ||
| - | Combo module is used in this remote Laboratory to power the motors and connect external sensors. | + | The combo module is used in this remote Laboratory to power the motors and connect external sensors. |
| - | Combo module | + | The combo module |
| * 4 x DC motors | * 4 x DC motors | ||
| * 1 x Stepper | * 1 x Stepper | ||
| Line 167: | Line 170: | ||
| \\ | \\ | ||
| - | Connect following sensors: | + | Connect |
| * 4 x analog | * 4 x analog | ||
| * 4 x digital | * 4 x digital | ||
| * 2 x coder | * 2 x coder | ||
| - | * 8x digital inputs | + | * 8x digital inputs |
| \\ | \\ | ||
| \\ | \\ | ||
| - | Use the following communication interfaces: | + | <figure combo> |
| - | * UART (3,3 or 5 V ) | + | {{: |
| - | * ZigBee / Bluetooth / RFID / WiFi / GPS wireless communication module | + | < |
| - | + | </ | |
| - | [{{: | + | |
| Line 186: | Line 188: | ||
| === Electrical connections === | === Electrical connections === | ||
| - | Combo board is connected with controller using PA-PB-PC-PD-PE-PF ports. DC and stepper motor feeds come from external power cord, servo motors | + | The combo board is connected with the controller using PA-PB-PC-PD-PE-PF ports. DC and stepper motor feeds come from an external power cord; the servo motor feed comes through a 5V voltage regulator, also from an external power cord. The motor' |
| === DC motors === | === DC motors === | ||
| - | DC motors | + | DC motors |
| + | |||
| + | <figure combo_m> | ||
| + | {{: | ||
| + | < | ||
| + | </ | ||
| - | [{{: | ||
| ~~CL~~ | ~~CL~~ | ||
| Line 205: | Line 211: | ||
| === Stepper motor === | === Stepper motor === | ||
| - | [{{: | + | <figure combo_s> |
| + | {{: | ||
| + | < | ||
| + | </ | ||
| ~~CL~~ | ~~CL~~ | ||
| === Servomotor === | === Servomotor === | ||
| - | Servo is connected to //Servo// group of pins. Ground wire is connected to the GND pin which is the pin nearest to the board edge. It's possible to use 2 servomotors at once. Signal pins on the Combo module | + | The servo motor is connected to //Servo// group of pins. Ground wire is connected to the GND pin, which is the pin nearest to the board edge. It's possible to use two servomotors at once. Signal pins on the Combo module |
| + | |||
| + | <figure combo_se> | ||
| + | {{: | ||
| + | < | ||
| + | </ | ||
| - | [{{: | ||
| ~~CL~~ | ~~CL~~ | ||
