2 Dev Board V1

About the Board

The board is developed based on the SIM7000C and SIM7000E Modules as well as the Microcontroller ATMega 328 based on the most popular Arduino UNO PIN layout. Therefore this board is compatible with any shield that is compatible with the Arduino UNO


Download the USB Drivers Note: Windows 10 users should use the Windows 8 Drivers

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No PIN Description
1 USB Port Programing USB port for ATMEL Chip - PC driver may be required. Use Arduino USB cable or USB printer wire to connect with PC
2 FTDI FTDI USB to Serial Converter FT232RL chip
3 LED2 User programable LED
4 PIN Headers Programable PIN headers to connect with micro controller. (Diagram 2 for more details)
5 Level Shifter 1.8V to 5V voltage level shifter
6 SIM7000 SIM7000 NB-IOT/eMTC/GSM/LTE Modem and GNSS Receiver
7 RF Antenna RF mobile network antenna port for SIM7000 (u.fL)
8 GPS Antenna GPS signal antenna port for SIM7000 (u.fL)
9 PPTC PPTC resettable fuse for USB input over current protection (max 500mA)
10 DC Input 2.1mm 7-12V DC power input
11 RESET ATMEGA328P micro controller reset button
12 3.3V Regulator Lm1117 3.3V low dropout linear regulator (max 800ma)
13 5V Regulator LM1117 5V low dropout linear regulator (max 800mA)
14 PIN Headers Programable PIN headers to connect with micro controller.(Diagram 2 for more details)
15 ATMEGA328P ATMEGA328P micro controller
16 Power LED Power indicator LED
17 ICSP Header ICSP Header for Arduino programming
18 Modem Reset SIM7000 modem hardware reset button
19 STAT LED SIM7000 modem STAT LED indicator
20 Modem USB SIM7000 modem USB port - firmware upgrade - Modem debug
21 PWR KEY SIM7000 modem power key - Press 1.5sec to power up/down
22 Net Light Power indicator LED

2 What you Should know about the board

  • ATMEGA328P ┬ÁCU with FTDI USB to serial converter
  • Same pinout as Arduino UNO
  • Compatible with any Arduino UNO shield
  • Programable with Arduino IDE
  • NB-IoT/GSM/LTE/eMTC enabled SIM7000C/SIM7000E module onboard
  • Separate USB interface for SIM7000 module
  • GNSS (GPS,GLONASS and BeiDou/Compass, Galileo, QZSS)enabled

Separate USB interface can only be used for SIM7000 debug and firmware upgrades

  • SIM7000C FDD-LTE B1/B3/B5/B8
  • SIM7000E Tri-Band FDD-LTE B3/B8/B20/B28
  • GSM/GPRS/EDGE 900/1800 MHz
  • GNSS (GPS,GLONASS and BeiDou/Compass, Galileo, QZSS)
  • LTE CAT-M1(eMTC) Uplink up to 375kbps, Downlink up to 300kbps
  • NB-IoT Uplink up to 66kbps, Downlink up to 34kbps
  • EDGE Class Uplink up to 236.8Kbps, Downlink up to 236.8Kbps
  • GPRS Uplink up to 85.6Kbps, Downlink up to 85.6Kbps

3 Let's Start

  • Insert Micro SIM to sim slot
  • Connect GPS antenna to board

NB-IOT / eMTC should available in your area

Your SIM should allow to connect to NB-IOT network

  • Connect your u.fL connector of GSM/LTE antenna to board
  • Connect GPS antenna to board

4Connect to the Computer

Connect Ideamart Board to the computer using USB cable

You may need to install drivers for your computer.

Download SDK and program with your faviorit Arduino IDE SDK download from http://go.ideamart.io/NBIOTDevBoard

5 Board PIN out

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More Information/Sample and all you need info can find at http://go.ideamart.io/NBIOTDevBoard

Dialog IOT Platform http://portal.iot.ideamart.io

Dialog Smartlife app http://go.ideamart.io/smartlife

Microcontroller ATmega328P

Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limit) 7-12V
Digital I/O Pins 14 (of which 6 provide PWM output)
PWM Digital I/O Pins 6
Analog Input Pins 6
DC Current per I/O Pin 20 mA
DC Current for 3.3V Pin 50 mA
Flash Memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader
SRAM 2 KB (ATmega328P)
EEPROM 1 KB (ATmega328P)
Clock Speed 16 MHz
Length 98.35 mm
Width 53.38 mm
Last updated on 17th Mar 2018