Description
Seesaw ATSAMD09 is a universal framework transducer which expands the number of pins for microcontrollers or microcomputers with I2C interface, e.g.Arduino,Raspberry Pi. It extends the board with additional outputs I2C, GPIO, ADC, PWM, etc. The board can reprogram and reconfigure the system so that they have more or less of each pin, as far as they fit to the software ATSAMD09D14. You can, for example, add a UART transducer, which is not, by default, on the Board.
Pins
| Pin | Description |
|---|---|
| VIN | The supply voltage is 3.3 V, the board has a voltage regulator 3 V - 5 V. It can be powered by voltage from 3.3 V to 5 V. |
| 3Vo | Output from voltage regulator 3.3 V, it can consume 100 mA. |
| GND | The ground of the system. |
| 23 / SCL |
Clock pin of I2C communication, it has a 10K resistor of 3.3 V. |
| 22 / SDA | Data pin of I2c communication, it has a 10K resistor of 3.3 V. |
| RST | Reset. |
| 8,16, 17, 22, 23 | The pins can be used as GPIO or NeoPixeloutputs. |
| 16 / AD0 | Pin ADDR0. Connected to ground, increases the address I2C with 1. |
| 17 / AD1 |
Pin ADDR1. Connected to ground, increases the address I2C with 2. |
| 2, 3, 4 |
Pins can be configured as ADC input. |
| 5, 6, 7 | The pins can be configured as PWM outputs. |
| 8 / IRQ |
Pin is low, it signals the host of microcontroller that the interrupt occurred. |
| SWD |
Pin connected to SWDIO to program the device via SWD. |
| SWC |
Pin connected to SWCLK to program the device via SWD. |
| RST |
Pin connected to RESET to program the device via SWD. |
Specification
- I2C address: 0x49, 0x4A, 0x4B, 0x4C
- Dimensions: 32 x 12 x 3.5 mm
- Weight: 1.6 g
Useful links |
