Arduino Mega 2560 R3 board with ATmega2560 and DHT11 temperature/humidity sensor module for DIY projects.
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The MEGA 2560 R3 CH340G Board is a microcontroller board based on the ATmega2560. It features 54 digital input/output pins (15 PWM), 16 analog inputs, 4 UARTs, a 16 MHz crystal oscillator, USB connection, power jack, ICSP header, and reset button. The board uses an ATmega8U2 programmed as a USB-to-serial converter. Revision 3 adds SDA and SCL pins near AREF, two new pins near RESET, and a stronger reset circuit.
The DHT11 Humidity and Temperature Sensor Module senses both temperature and humidity, outputting a digital signal on a single data pin. It integrates a high-performance 8-bit microcontroller and updates every 2 seconds (0.5 Hz).
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