OPEN-SMART Mini ATmega8 board is a development board based on ATmega8A. You can supply the system voltage as needed, like 3.3V or 5V, which is very useful if you want to set the system to 3.3V to save power. For example, you want to connect directly 3.3V LCD / ESP8266 wifi / BME280 barometric sensor module to Arduino without level conversion module, you can supply 3.3V to use them directly. We have used the motherboard and Arduino-1.6.5 IDE to test available peripheral modules as follows: Touch sensor, eagle eyes LED, buzzer, I2C 1602 LCD, serial MP3 player, serial Bluetooth, long range RF 433MHz kit, DS1307 RTC, etc. Features: - Arduino IDE Board Type: OPEN SMART ATmega8, you just need to add the follow 17 lines at the end of the doc ...\arduino-1.6.5-r2\hardware\arduino\avr\ boards.txt. Save it and and then restart the IDE. ############################################################## atmega8o.name=OPEN SMART ATmega8 atmega8o.upload.tool=avrdude atmega8o.upload.protocol=arduino atmega8o.upload.maximum_size=7680 atmega8o.upload.maximum_data_size=1024 atmega8o.upload.speed=115200 atmega8o.bootloader.low_fuses=0xbf atmega8o.bootloader.high_fuses=0xdc atmega8o.bootloader.file=optiboot/optiboot_atmega8.hex atmega8o.bootloader.unlock_bits=0x3F atmega8o.bootloader.lock_bits=0x0F atmega8o.bootloader.tool=avrdude atmega8o.build.mcu=atmega8 atmega8o.build.f_cpu=16000000L atmega8o.build.core=arduino:arduino atmega8o.build.variant=arduino:standard - On-board burner interface (DTR TX RX GND VCC), you can connect OPEN-SMART CH340G UART programmer to upload Arduino code to the board. - It is compatible with Arduino IDE and most Arduino UNO R3 libraries. - This board is ideal for learners want to learn Arduino and make creative projects. - On-board test indicator LED, and you can program to control it. - Microcontroller: ATmega8A - Working voltage: 5V or 3.3V. - IO logic voltage: 5V or 3.3V - Working current: 1000mA (Max) - Digital I/O Pins: 14 (of which 6 provide PWM output) - Flash Memory: 8KB of which 0.5KB used by bootloader - SRAM: 1KB - EEPROM: 512B - Clock Speed: 16 MHz
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