{"product_id":"arduino-uno-r3-ch340g-atmega328p-development-board-smd","title":"Arduino Uno R3 CH340G ATmega328P Development Board (SMD)","description":"\u003cp\u003eThe Uno R3 CH340G ATmega328P Development Board is a highly efficient, cost-effective 8-bit microcontroller board designed for rapid hardware prototyping, automated embedded systems, and STEM learning applications. It serves as a fully compatible alternative to the standard Arduino Uno R3 architecture, featuring a high-reliability CH340G USB-to-Serial converter chip in place of the traditional Mega16U2 interface. Mirroring the identical form factor, performance capabilities, and pinout layout of the original board, it is an ultra-affordable foundation for programming sensor networks, motor matrices, and custom automated electronics.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Microcontroller:\u003c\/strong\u003e Microchip\/Atmel ATmega328P (8-bit AVR RISC architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-to-Serial Driver:\u003c\/strong\u003e CH340G Interface IC (optimized for programming and high-speed serial terminal communication)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller Package Style:\u003c\/strong\u003e SMD \/ SMT (Surface Mount Device)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage (Recommended):\u003c\/strong\u003e 7 V to 12 V DC (via DC Barrel Jack or Vin terminal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage (Absolute Limits):\u003c\/strong\u003e 5 V to 20 V DC max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital I\/O Pins:\u003c\/strong\u003e 14 Channels (including 6 pins with hardware PWM output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Input Pins:\u003c\/strong\u003e 6 Channels (10-bit resolution ADCs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Current per I\/O Pin:\u003c\/strong\u003e 20 mA standard continuous rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Memory Capacity:\u003c\/strong\u003e 32 KB (with 0.5 KB utilized by the onboard bootloader)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRAM \/ EEPROM Storage:\u003c\/strong\u003e 2 KB Internal SRAM \/ 1 KB non-volatile EEPROM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Frequency:\u003c\/strong\u003e 16 MHz Crystal Oscillator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC Interface:\u003c\/strong\u003e Reversible USB Type-B Female Socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Standard CR-Uno Footprint (68.6 mm × 53.4 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Uno R3 CH340G ATmega328P Development Board (SMD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNote: Image is for representation purpose only.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Circuitcomps","offers":[{"title":"Default Title","offer_id":47878660751537,"sku":"CC-001231","price":246.75,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/0937\/9249\/files\/Arduino_Uno_R3_CH340G_ATmega328P_Development_Board_SMD_1.png?v=1788372538","url":"https:\/\/circuitcomps.com\/products\/arduino-uno-r3-ch340g-atmega328p-development-board-smd","provider":"Circuitcomps","version":"1.0","type":"link"}