Microduino Core - ATMega328

Product Code: MOMDA121
Package Size: 5 x 1 x 7.2 inches
Age Group: 9yr+
Availability: In Stock

Price: MVR 125.00
Excl. GST: MVR 115.74

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Description Specification Related Products (3)

Microduino-Core is an 8-bit microcontroller development board, with the core of Atmel ATmega328P and ATmega168PA series. It is a open-source, compatible-with-Arduino UNO controller module. Compared with Arduino UNO, Microduino-core has the following features:

It uses the U-shape 27pin Microduino interface specification, and it has multiple interface compatible peripheral modules and sensors.
Microduino breaks up the USB serial interface communication module and Atmega core module, and makes them into two Microduino development boards which can be divided and stacked.
It uses micro USB to supply power, and removes the external power supply socket, making the whole size very small, 25.4mm long X 27.94mm wide（the size of a 1 yuan coin）.

Lightweight design makes Microduino has a unique advantage in the project designs with the requirement of size and cost, and it can achieve the fast and flexible function extension for the design with other Microduino modules, according to the need of the players.

Microduino uses java and C language development environment, same as Arduino. The players can use Arduino IDE, together with software such as Flash and Processing, use Microduino and other electronic components, modules, and sensors to make many interesting and interactive works.

FAQ

Q:How do I judge that the voltage of the Core+ is 3.3V or 5V?
- A:Look at the resistor. If the R1 is welded, it is 3.3V. And if the R2 is welded, it is 5V.
Q:Can I use 3.3V voltage to supply power to the Core+ of 16m clock frequency?
- A:It is not recommended . If the voltage is too low, it is easy to be unstable.
Q:Can I use 5V voltage to supply power to the Core+ of 8M clock frequency？
- A:Yes, you can.

Feature

Small, cheap, stacked, and open.
Open-source hardware circuit design, and programming development environment compatible with Arduino;
Same as Arduino, Microduino can use ISP download line to program to「bootloader」 flexibly;
Unified Microduino interface specification and abundant peripheral modules, can be quickly and conveniently and flexibly connected and extended with other modules and sensors conforming to the Microduino interface specification;
2.54-distance parent interface is convenient to integrate into the hole plate.

Specification

【Extension】Difference between Microduino-Core and Core+

According to the different core and clock frequency, there are four different versions of the Microduino-Core:

Type	Flash	SRAM	EEPROM	Clock frequency	-	Atmega328P@16M，5V	32K	2K	1K	16M	5.0V
ATmega328P@8M，3V3	32K	2K	1K	8M	3.3V
ATmega168PA@16M, 5V	16K	1K	512	16M	5.0V
ATmega168PA@8M, 3V3	16K	1K	512	8M	3.3V

The size of Microduino: 25.4mm X 27.94mm .

Digital I/O There are 22 digital input/output ports totally:
- They are labeled on the module of D0, D1, D2~D13, and A0~A7, of which A6 and A7 can only input.
Analog I/O There are 8 analog input ports totally:
- They are labeled on the module of A0~A7;
- Each of them offers 10 resolution（namely 0~1024）. By default, the analog voltage range for measurement is GND to VCC voltage values;
- Please refer to analogRead()' function for the details.
PWM supports, a total of 6:
- Respectively labeled on the module of D3,D5,D6,D9,D10,D11.
- Please refer to analogWrite() function for the details.
A serial port support, a total of 1:
- Labeled on the module of Serial[D0(RX), D1(TX)]
- If it connects with USBTTL module, it will take D0 and D1. If ports D0 and D1 are also be taken by other modules, it will communicate with USBTTL abnormal, and the program will not be able to download.
SPI support, a total of 1:
- Labeled on the module of D13(SCK), D12(MISO), D11(MOSI), D10(SS).
I2C support, a total of 1:
- Labeled on the module of SDA(A4), SCL(A5).
External interrupt support, a total of 2:
- Labeled on the module of D2(interrupt0), D3(interrupt1).
- Please refer to theattachInterrupt() function for the details.
It supports the ISP download function.
It supports the AREF end.

Introduction of Pins:

Pin	Original Pin Name	Map Pin Name	Digital Pin	Analog Pin	interrupt	PWM	Serial	SPI	I2C	Power
1	VCC	+5V								+5V
2	VCC	+3V3								+3.3V
3	(AIN1)PD7	D7	D7
4	(ICP)PB0	D8	D8
5	(OC1A)PB1	D9	D9			yes
6	(OC1B/SS)PB2	D10	D10			yes		SS
7	(OC2A/MOSI)PB3	D11	D11			yes		MOSI
8	(MISO)PB4	D12	D12					MISO
9	(SCK)PB5	D13	D13					SCK
10	AREF	AREF
11	(ADC0)PC0	A0	D14	A0
12	(ADC1)PC1	A1	D15	A1
13	(ADC2)PC2	A2	D16	A2
14	(ADC3)PC3	A3	D17	A3
15	(ADC4/SDA)PC4	SDA	D18	A4					SDA
16	(ADC5/SCL)PC5	SCL	D19	A5					SCL
17	(ADC6)	A6	D20(only input)	A6
18	(ADC7)	A7	D21(only input)	A7
19	(RXD)PD0	D0	D0				0(RX)
20	(TXD)PD1	D1	D1				0(TX)
21	(INT0)PD2	D2	D2		0
22	(OC2B/INT1)PD3	D3	D3		1	yes
23	(XCK/T0)PD4	D4	D4
24	(OC0B/T1)PD5	D5	D5			yes
25	(OC0A/AIN0)PD6	D6	D6			yes
26	RESET	RST
27	GND	GND								GND

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Age Group	9yr+

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Microduino Core - ATMega328

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