MassDuino UNO Core
Lower Price
Arduin IDE Support
Highly compatible to UNO R3
32KB Flash 2KB RAM
10/12/16Bit ADC
/*======================================================
analogRead() // 10bit ADC, Compatible to UNO R3
analogRead_12bits() // 12bit ADC , 130 sps
analogRead_16bits() // 16bit ADC , 125 sps
======================================================*/
Chip level support (MD-328D IC for mass purchase,click to view)
Easy for prototype development , directly use for mass production
Features
MD-328D core module
Standard USB2Serial interface for uploading and debugging
Onboard 2.4GHz RF Module (Optional)
100% Arduin development environment
Vertical double row connector, minimum size on the main board
Full UNO IO supported
Parameters
MCU: MD-328D 32K Flash 2K SRAM 10bit ADC
Working Voltage : 3.3V with onboard LDO
Input Voltage: DC 4.5 to 12V
3.3V Output Current : 300mA MAX
PCBA Size: 20 x 35mm
Bootloader preprogramming : Arduin UNO R3
Application Schematic
This schematic is demonstrated how to using UNO Core create 3-ch analog voltage , here we need a PWM to DAC module DAC-3000 , UNO Core use AnalogWrite function to create 3 ch PWM signal and DAC-3000 will converter the PWM to analog output , the output is: Vout = (1-PWM%) * Vref . in here the DAC output range is 0 to 3.3V.
The Pin24 (VCC_3V3) connected onboard LDO’s output, it will share 3.3V with the module circuit , so the VCC_3V3 Load current have to limited within 300mA , otherwise it will lead the 3.3V unstable , or damaged the module.
The UNO Core have a onboard RF module design(LC-2000,Clik to View) , the LC-2000 is a 2.4GHz RF UART module , it can be make UNO Core communication via 2.4GHz RF connection, but not all version will be install this module, Please notice the description, we have module number as below:
UNO Core : without RF Module
RF UNO Core : with RF Module(Click to View)
Upload sketch and communication
RF UNO Core can be uploading sketch and communication via 2.4GHz RF connection , user need a USB Dongle on PC side and we call it LC-2000U , we will release this product in Jan.2016.
Both RF UNO Core and UNO Core have a onboard UART connector , it’s a 6-Pin 2.0mm Female connector, user can be use stand USB2Serial Light cable to upload and communication with a 2.5mm to 2.0mm convertor. We also provide UC-2102 kit for this usage.
All of the PCBAs have passed 130 items testing by 100% automatic, 100% quality guarantee.
The UC-340G&x27;s description
Features
1, Low Cost , easy to use.
2, USB 2.0 Full Speed
3, Hardware Full duplex UART with embedded buffer
4, Support baud rate 50bps to 2Mbps
5, TTL-5V level and support 3.3V to 5V level
6, Pin to Pin compatible with UC-2102 and USB2Serial Light
Electrical Characteristics
Power supply:5.5V
IO Level:TTL-5V
Environmental
Operation Temperature:0°C to 55°C
Operating Humidity:0 to 90% non-condensing
Storage Temperature:-20°C to 65°C
Package List
1 x MassDuino UNO Core
1 x UC-340G(with 2.54mm to 2.0mm convertor)