EZ-B v4

Link: https://youtu.be/CaTT_VOLmrA

This Roll-out Video includes:

  1. Hook-up guide for Power, Digital Sensor, Analog Sensor, I2C, Camera, and Speaker
  2. Using related Synthiam ARC software skills
  3. Schematic overview
  4. Bill of Materials (BOM) overview
  5. Custom firmware location
The EZ-Bv4 reference design has the wireless video and audio streaming capabilities of an IoT device paired together with the sensor and servo features of a robot controller. It's the only I/O controller that takes full advantage of all the amazing features in ARC. This product requires licensing agreement for manufacturing. Please Contact Us to find out more.


  • 3.33MBaud UART data communication to E-15 WiFi board
  • 3.33MBaud UART data communication to E-09 Camera
  • 3 x user available UART ports
  • 1 x I2C port (3 x parallel breakouts on E-15)
  • 1 x E-09 Camera Breakout
  • 24 x Digital I/O breakouts with PWM (GVS style)
  • 8 x 12-bit Analog breakouts (GVS style)
  • 1 x 12-bit DAC for audio output
  • DAC output breakout pad
  • Audio Amplifier & Speaker breakouts
  • SWD programming header (on both Main and WiFi boards)
  • Over the air updating
  • Reset button for WiFi module
  • Integrated Webserver (
  • AP mode (direct) and Client mode (router) available
  • Energy-efficient 3.3V 3A Switching power supply
  • Red communication indicator LED
  • RGB status LED
  • 5V tolerant I/O pins
  • Reverse polarity protection
  • 10mA protection limit for I/O ports
  • Resettable fuse protection for ARM microcontroller
  • Heat sink thermal protection for ARM microcontroller
  • Blue power LED
  • Voltage requirement: 4.5-16VDC (7.4V Typical)
  • Current draw: 80mA (no audio, 7.4V)
  • Dimensions: 56(W) x 54(L) x 31.5(H) (mm)
  • Weight: 43g

  • Major components

  • LM4902MM Audio amplifier
  • EMW3165-P MXChip 802.11b/g/n WiFi Module (custom firmware provided)
  • STM32F205RET6 ARM microcontroller (custom firmware provided)
  • RT8299GSP Switching power supply

  • Manufacturing notes

  • Supplier: programs custom firmware into the STM32F205RET6 and EMW3165-P at their facility before sending to the manufacturer
  • Manufacturer: Single side placement and soldering of SMT components
  • Manufacturer: Dual Side soldering of THT components

  • Certification: Recommended to compliance test (when combined with E-15) in order to check for FCC Part 15 Class B interference with the FCC/CE Certified EMW3165 WiFi module.