Seeed studio Seeeduino Lotus v1.0 Bedienungsanleitung

Seeeduino Lotus v1.0

Introduction

Seeeduino Lotus is an ATMEGA328 Microcontroller development board. It is a combination of

Seeeduino and Base Shield. It used Atmel ATMEGA328P-MU and CH340. ATMEGA328P-MU

is a high performance, low power AVR 8-Bit Microcontroller. CH340 is an USB bus converter

chip that can realize an USB to serial interface. Seeeduino Lotus has 14 digital input/output (6 of

which can output PWM) and 7 analog input/output, a micro USB connection, an ICSP header, 12

Grove connections, a reset button.

Specification

Microcontroller: ATmega328P-MU

Operating Voltage: 5V

Digital I/O Pins:14

PWM Channels:6

Analog Input Channels:7

DC Current per I/O Pin: 40 mA

Flash Memory: 32 KB (ATmega328P-MU)

RAM: 2 KB (ATmega328P-MU)

EEPROM:1 KB (ATmega328P-MU)

Clock Speed:16 MHz

Interface Function

①：Micro USB

②：Reset button

③：Analog Ports: Analog sensors can return readings ranging from 0 to 1023.Compared

with digital sensors that only return 0 or 1, analog readings are more detailed and precise.

④：I2C Ports:I2C is a low-speed bus protocol that transfers data via two wire : SCL and

SDA . SCL is the clock line that synchronizes data transfer over the I2C bus, and SDA is

data line.

⑤：Digital Ports: Normally, they are used when reading a digital sensor that only

outputs 0 or 1,or turning on or off an actuator.

⑥：UART Port:we can control serial device by this port.

Driver Install

Seeeduino Lotus is used CH340 to download .It need to install driver.

Windows/Linux

Totally compatible with serial application program in computer endpoint Windows operation

system

1)You plug it to computer by USB Port.

2)Wait a minute,you can find it in Device Manager.

3)If you can not find the port,please download Driver from Here

Mac OS

Driver download: http://www.wch.cn/downloads.php?name=pro&proid=178

Usage

We will show how to used Seeeduino Lotus.

Hardware Installation

1）Part lists:Seeeduino Lotus v1.0、Grove - LCD RGB Backlight、Grove - I2C FM

Receiver、Grove - Button、Grove - Rotary Angle Sensor.

2）Hardware linking is very easy, Grove - LCD RGB Backligt and Grove - I2C FM

Receiver are I2C communication,Grove - Button is digital input,Grove - Rotary Angle

Sensor is analog input,so you can link it as show.

Software Part

1)You can download the demo code in github, click here.

2)If you don't know How to install Arduino Library,please click Here

3)Open the I2C_FM_RGB_LCD example sketch: File->Examples-

>Seeeduino_lotus_Usage->I2C_FM_RGB_LCD

4)You'll need to select the entry in the Tools > Board menu that corresponds to your

Arduino,You need to select Arduino Uno.

5) Select the serial device of the Arduino board from the Tools | Serial Port menu.

6）Now, simply click the "Upload" button in the environment. Wait a few seconds - If

the upload is successful, the message "Done uploading." will appear in the status bar.

Bug Report

The silk printed near the D5 Grove connector has an error. The D4,D5 should be D5,D6.

We will fix this error asap.

Resource

[Seeeduino Lotus Eagle file]

[Seeeduino Lotus bootloader]

[Seeeduino Lotus PDF file ]

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