2 Board Overview

Block Diagram, Board Image, Feature List.

2.1 Block Diagram

Figure 2-1. Explorer Overview
Speaker CircuitOLED ScreenTouch ButtonsMicroSD Card SocketDACPin RemappingPin RemappingTactile ButtonsTemperature SensorSecure ElementProximity and Ambient Light SensorI2C EEPROMI/O Expander 1I/O Expander 2LED RowStandalone Touch ButtonJoystickPotentiometerMicrophone CircuitDigital Addressable LEDsServo-Motor DriverRGB LEDVoltage ReferenceUSB BridgePower SupplyTest PointsUSB BridgePower MonitorExternal Debugger ConnectorMBUS SocketGrove ConnectorQwiic ConnectorSPI EEPROM
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2.2 Board Image

Figure 2-2. Explorer Image

2.3 Feature List

  • Curiosity Nano socket
    • Supports all Curiosity Nano development boards
    • Fully remappable pinout
  • On-board peripherals
  • Multiple input options
    • MCP9808 temperature sensor
    • Microphone and amplifier (MCP6062) with adjustable gain
    • Joystick
    • Potentiometer
    • Push buttons
    • Touch buttons
    • Proximity/ambient light sensor
  • Multiple output options
    • LED row with eight yellow LEDs
    • OLED display
    • One RGB LED
    • Eight digital addressable LEDs
    • Three external PWM outputs for servomotors
    • Speaker and class-D amplifier with adjustable gain
  • External connectivity options
    • Grove I2C connector
    • mikroBUS™ socket
    • Qwiic® I2C connector
  • Multiple power sources
    • On-board USB Type-C® connector
    • USB powered from connected CNANO
    • External power options for addressable LEDs and servomotors
  • On-board Power Supplies
    • MIC33153 4 MHz PWM 1.2A internal inductor buck switcher power module to power 3.3V peripherals
    • MCP1754 3.3V 150 mA LDO to power USB bridge and power monitor circuitry
    • MIC2008 high-side power switch for slew rate control and over-current protection
  • MCP1501 user-remappable voltage references, 1.5V and 3.0V