Arduino Mega 2560 + DHT11 Sensor Module
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The MEGA 2560 R3 CH340G Board is a microcontroller board base on the ATmega2560. It has a USB host interface to connect with Android-based phones, based on the MAX3421e IC.
The At Mega2560 has 54 digital input/output pins (of which 15 can be used as PWM outputs); 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator; a USB connection, a power jack, an ICSP header, and a reset button. The MEGA ADK is based on the Mega 2560. Similar to the Mega 2560 and Uno, it features an ATmega8U2 program as a USB-to-serial converter. Revision 3 of the Mega ADK board has a resistor pulling the 8U2 HWB line to the ground, making it easier to put into DFU(Device Firmware Upgrade) mode.
The DHT11 Humidity and Temperature Sensor Module is capable of sensing both temperatures as well as humidity. This makes it ideal for projects as well as automation. The board is also equipped with a high-performance 8-Bit microcontroller connected to the DHT11 sensor module.
The output of the DHT11 Temperature Sensor Module is in the form of a digital signal on a single data pin. The sensing update frequency is to be measured every 2sec (0.5Hz). The DHT11 Sensor Module can be interfaced with any microcontroller like Arduino, Raspberry Pi, etc. This Sensor module integrates the DHT11 sensor and other required components on a small PCB.
|
Microcontroller |
ATmega2560 |
|
Operating Voltage |
5V |
|
Input Voltage (recommended) |
7-12V |
|
Input Voltage (limit) |
6-20V |
|
Digital I/O Pins |
54 (of which 15 provide PWM output) |
|
Analog Input Pins |
16 |
|
DC Current per I/O Pin |
20 mA |
|
DC Current for 3.3V Pin |
50 mA |
|
Flash Memory |
256 KB of which 8 KB used by bootloader |
|
SRAM |
8 KB |
|
EEPROM |
4 KB |
|
Clock Speed |
16 MHz |
|
LED_BUILTIN |
13 |
|
Dimensions |
101.52 x 53.3 x 2 mm |
|
Weight |
37 g |
Microcontroller
ATmega2560
Operating Voltage
5V
Input Voltage (recommended)
7-12V
Input Voltage (limit)
6-20V
Digital I/O Pins
54 (of which 15 provide PWM output)
Analog Input Pins
16
DC Current per I/O Pin
20 mA
DC Current for 3.3V Pin
50 mA
Flash Memory
256 KB of which 8 KB used by bootloader
SRAM
8 KB
EEPROM
4 KB
Clock Speed
16 MHz
LED_BUILTIN
13
Dimensions
101.52 x 53.3 x 2 mm
Weight
37 g
|
Operating Voltage |
3.3VDC to 5.5VDC |
|
Temperature measuring range |
0~+50degree |
|
Humidity measurement accuracy |
±5.0%RH |
|
Humidity measuring range |
20%~90%RH |
|
Temperature measurement accuracy |
±2.0degree |
|
Dimensions |
3 x 3 x 1cms |
|
Weight |
5 grams |
Operating Voltage
3.3VDC to 5.5VDC
Temperature measuring range
0~+50degree
Humidity measurement accuracy
±5.0%RH
Humidity measuring range
20%~90%RH
Temperature measurement accuracy
±2.0degree
Dimensions
3 x 3 x 1cms
Weight
5 grams
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