# Atmega328-Vario-V3 ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** niyaziyilmaz - **Created:** 6/24/2025 - **Last Updated:** 6/24/2025 - **Visibility:** Public ## Key Components ### BZ1 — [Buzzer](https://www.flux.ai/jecstronic/buzzer.md) - Part Type: Buzzer **Pins:** - - - + ### OLED1 — [OLED 0.91" 128x32 I2C](https://www.flux.ai/vasy_skral/oled-091-128x32-i2c.md) - Part Type: Display Device **Pins:** - 5V [pin 3] - GND [pin 4] - SCL [pin 2] - SDA [pin 1] ### SW1 — [SWITCH-PUSH-6mm-H5mm-4pin](https://www.flux.ai/baronunread/switch-push-6mm-h5mm-4pin.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch **Pins:** - 1-1 [pin 1-1] - 1-2 [pin 1-2] - 2-1 [pin 2-1] - 2-2 [pin 2-2] ### U1 — [ARDUINO_NANO](https://www.flux.ai/jecstronic/arduinonano.md) - Manufacturer Part Number: ARDUINO_NANO - Part Type: Integrated Circuit - Datasheet URL: https://www.snapeda.com/parts/Arduino%20Nano/Arduino/datasheet/ - Manufacturer Name: Texas Instruments Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - +5V [pin 27] - 3V3 [pin 17] - A0 [pin 19] - A1 [pin 20] - A2 [pin 21] - A3 [pin 22] - A4 [pin 23] - A5 [pin 24] - A6 [pin 25] - A7 [pin 26] - AREF [pin 18] - COM/GND [pin 4] - COM/GND [pin 29] - D0/RX [pin 2] - D1/TX [pin 1] - D10 [pin 13] - D11/MOSI [pin 14] - D12/MISO [pin 15] - D13/SCK [pin 16] - D2 [pin 5] - D3 [pin 6] - D4 [pin 7] - D5 [pin 8] - D6 [pin 9] - D7 [pin 10] - D8 [pin 11] - D9 [pin 12] - RESET [pin 3] - RESET [pin 28] - VIN [pin 30] ### U2 — [AHT20+BMP280 Module](https://www.flux.ai/vasyl/aht20plusbmp280-module.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://files.seeedstudio.com/wiki/Grove-AHT20_I2C_Industrial_Grade_Temperature_and_Humidity_Sensor/AHT20-datasheet-2020-4-16.pdf - Part Type: Module **Pins:** - GND [pin 2] - SCL [pin 1] - SDA [pin 3] - VDD [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/niyaziyilmaz/atmega328-vario-v3](https://www.flux.ai/niyaziyilmaz/atmega328-vario-v3).* --- *Generated from [https://www.flux.ai/niyaziyilmaz/atmega328-vario-v3](https://www.flux.ai/niyaziyilmaz/atmega328-vario-v3)*