CH340G Replace ATMEGA16U2
Microcontroller:ATmega2560
Operating Voltage:5V
Input Voltage (recommended):7-12V
Input Voltage (limits):6-20V
Digital I/O Pins:54 (of which 15 provide PWM output)
Analog Input Pins:16
DC Current per I/O Pin:40 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:12 MHz
SDIO 2.0, SPI, UART
32-pin QFN package
Integrated RF switch, balun, 24dBm PA, DCXO, and PMU
Integrated RISC processor, on-chip memory and external memory interfaces
Integrated MAC/baseband processors
Quality of Service management
I2S interface for high fidelity audio applications
On-chip low-dropout linear regulators for all internal supplies
Proprietary spurious-free clock generation architecture
Integrated WEP, TKIP, AES, and WAPI engines
Solutions
Supports APSD for optimal VoIP applications
Patented spurious noise cancellation algorithm for integration in SOC applications
Supports Bluetooth co-existence interface
Self-calibrated RF to ensure optimal performance under all operating conditions
Zero factory tuning
No external RF components
Specifications
802.11 b/g/n
Wi-Fi Direct (P2P), soft-AP
Integrated TCP/IP protocol stack
Integrated TR switch, balun, LNA, power amplifier and matching network
Integrated PLLs, regulators, DCXO and power management units
+19.5dBm output power in 802.11b mode
Power down leakage current of <10uA
Integrated low power 32-bit CPU could be used as application processor
SDIO 1.1/2.0, SPI, UART
STBC, 1×1 MIMO, 2×1 MIMO
A-MPDU & A-MSDU aggregation & 0.4ms guard interval
Wake up and transmit packets in < 2ms
Standby power consumption of < 1.0mW (DTIM3)
ATmega168 running at 16MHz with external resonator
USB connection off board
Supports auto-reset
Max 150mA output
Over current protected
Reverse polarity protected
DC input 5V up to 12V
On board Power and Status LEDs
Size：（Long）33mm *（wide1）18 mm *（high）6mm
Package Content
1PCS Arduino pro min atmega168p board
3PCS Gilded Pin
AREF Output: 3.3V
Expand all 6 PWM pins
Expans I2C pins
Compatible only with Arduino NANO
Expand DC power interface
Available pins: +3.3V, +5V, GND, I2C, RX/TX, All other IOs
Input Voltage: 5V DC
Output Voltage: 1.9~3.6 DC
Current: 12.3 mA
Adapted for 8 Pin NRF24L01+ Module
On-board AMS1117-3.3 chip
Dimension: 26 x 19 x 12mm
Features:
Name: electronic compass atmospheric pressure module (three-axis magnetic field + pressure)
Model: GY-652
The use of chip: HMC5983 + BMP180
Power supply :3-5v (internal low dropout regulator)
Communication modes: standard IIC communication protocol)
