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Microcontroller
Operating Voltage
Input Voltage (recommended) DC7-12V
Digital I/O Pins
PWM Digital I/O Pins
Analog Input Pins
DC Current per I/O Pin
DC Current for 3.3V Pin
Flash Memory
SRAM
EEPROM
Clock Speed
LED_BUILTIN
(3) Installing V4.0 board Driver
Let's install the driver of keyestudio V4.0 board. The USB-TTL chip
ATmega328P-PU
5V
14 (D0-D13)
(of which 6 provide PWM
output)
6 (D3, D5, D6, D9, D10, D11)
6 (A0-A5)
20 mA
50 mA
32 KB (ATmega328P-PU) of
which
0.5
KB
bootloader
2 KB (ATmega328P-PU)
1 KB (ATmega328P-PU)
16 MHz
D13
used
by
49
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