• Operating Voltage: 5V
• Input Voltage: 6-20V
• Digital I/O Pins (DIO): 14
• Digital input & output pins (PWM): 6
• Analog Input Pins: 6
• DC Current I/O Pin: 20 mA
• DC Current 3.3V Pin: 50 mA
• EEPROM: 1 KB
• Flash Memory: 32 KB
• SRAM: 2 KB
• Clock Speed: 16 Mhz

• Operating Voltage: 3.3V
• Input Voltage: 7-12V
• Digital I/O Pins (DIO): 16
• Analog Input Pins (ADC): 1
• UARTs: 1
• SPIs: 1
• I2Cs: 1
• Flash Memory: 4 MB
• SRAM: 64 KB
• Clock Speed: 80 Mhz
• Wi-Fi: IEEE 802.11 b/g/n:

Accelerometer + Gyro

• Operating Voltage: 3-5V
• Chip built-in 16bit AD converter, 16bit data output.
• Gyroscopes range: +/- 250 500 1000 2000 degree/sec.
• Acceleration range: +/- 2g, +/- 4g, +/- 8g, +/- 16g.
• Standard Pin spacing: 2.54mm
• Size 20.8mm x 15.7mm x 3.4mm

Muscle Sensor V3

• Operating Voltage: 5V, 3.5V (Min), 18V (Max)
• Gain Setting, Gain = 207*(X /1 kΩ) : 0.01 Ω (0.002x) (Min), 50 kΩ (10,350x) (TYP), 100 kΩ (20,700x) (Max)
• Output Signal Voltage (Rectified & Smoothed) : 0V (Min), +Vs (Max)
• Differential Input Voltage: 0mV (Min), 2-5mV (TYP), +Vs/Gain (Max)