WEATHER-BOARD2 on ODROID-N2/C4

'ODROID-N2' on this page refers to the ODROID-N2 series (N2, N2+, N2L, M1).

Make sure that you have these products:

For the wiring, you should wire a total of four lines, GND, 3V3, SCL and SDA.
The GND and 3V3 pin can be used like the following pin you want.

GND : 6, 9, 14, 20, 25, 34, 39
3V3 : 1, 17

Default Pin State	GPIO & Export No	Net Name	Pin Number	Pin Number	Net Name	GPIO & Export No	Default Pin State
-	-	3.3V	1	2	5.0V	-	-
I(P/D)	GPIOX.17 (#493)	I2C0_SDA	3	4	5.0V	-	-
I(P/U)	GPIOX.18 (#494)	I2C0_SCL	5	6	GND	-	-
I(P/D)	GPIOA.13 (#473)		7	8	TXD1	GPIOX.12 (#488)	I(P/U)
-	-	GND	9	10	RXD1	GPIOX.13 (#489)	I(P/U)
I(P/U)	GPIOX.3 (#479)		11	12	PWM_E	GPIOX.16 (#492)	I(P/U)
I(P/U)	GPIOX.4 (#480)		13	14	GND	-	-
I(P/U)	GPIOX.7 (#483)	PWM_F	15	16		GPIOX.0 (#476)	I(P/U)
-	-	3.3V	17	18		GPIOX.1 (#477)	I(P/U)
I(P/U)	GPIOX.8 (#484)	SPI0_MOSI	19	20	GND	-	-
I(P/U)	GPIOX.9 (#485)	SPI0_MISO	21	22		GPIOX.2 (#478)	I(P/U)
I(P/U)	GPIOX.11 (#487)	SPI0_CLK	23	24	SPI0_SS0	GPIOX.10 (#486)	I(P/U)
-	-	GND	25	26	SPI0_SS1	GPIOA.4 (#464)	I(P/D)
I(P/U)	GPIOA.14 (#474)	I2C1_SDA	27	28	I2C1_SCL	GPIOA.15 (#475)	I(P/U)
I(P/U)	GPIOX.14 (#490)		29	30	GND	-	-
I(P/U)	GPIOX.15 (#491)		31	32		GPIOA.12 (#472)	I(P/D)
I(P/U)	GPIOX.5 (#481)	PWM_C	33	34	GND	-	-
I(P/D)	GPIOX.6 (#482)	PWM_D	35	36		GPIOX.19 (#495)	-
		ADC.AIN3	37	38	REF 1.8V
-	-	GND	39	40	ADC.AIN2

2018/12/17 12:20 · luke.go

ODROID-C4

Default Pin State	GPIO & Export No	Net Name	Pin Number	Pin Number	Net Name	GPIO & Export No	Default Pin State
-	-	3.3V	1	2	5.0V	-	-
I(P/D)	GPIOX.17 (#493)	I2C0_SDA	3	4	5.0V	-	-
I(P/U)	GPIOX.18 (#494)	I2C0_SCL	5	6	GND	-	-
I(P/D)	GPIOX.5 (#481)	PWM_C	7	8	TXD1	GPIOX.12 (#488)	I(P/U)
-	-	GND	9	10	RXD1	GPIOX.13 (#489)	I(P/U)
I(P/U)	GPIOX.3 (#479)	PWM_D	11	12	PWM_E	GPIOX.16 (#492)	I(P/U)
I(P/U)	GPIOX.4 (#480)		13	14	GND	-	-
I(P/U)	GPIOX.7 (#483)	PWM_F	15	16		GPIOX.0 (#476)	I(P/U)
-	-	3.3V	17	18		GPIOX.1 (#477)	I(P/U)
I(P/U)	GPIOX.8 (#484)	SPI0_MOSI	19	20	GND	-	-
I(P/U)	GPIOX.9 (#485)	SPI0_MISO	21	22		GPIOX.2 (#478)	I(P/U)
I(P/U)	GPIOX.11 (#487)	SPI0_SCLK	23	24	SPI0_CS0	GPIOX.10 (#486)	I(P/U)
-	-	GND	25	26	SPI0_CS1	GPIOH.6 (#433)	I(P/D)
I(P/U)	GPIOA.14 (#474)	I2C1_SDA	27	28	I2C1_SCL	GPIOA.15 (#475)	I(P/U)
I(P/U)	GPIOX.14 (#490)		29	30	GND	-	-
I(P/U)	GPIOX.15 (#491)		31	32		GPIOH.7 (#434)	I(P/D)
I(P/U)	GPIOX.6 (#482)	PWM_A	33	34	GND	-	-
I(P/D)	GPIOX.19 (#495)	PWM_B	35	36		GPIOH.5 (#432)	-
		ADC.AIN2	37	38	REF 1.8V
-	-	GND	39	40	ADC.AIN0

2019/10/29 16:27 · luke.go

ODROID-M1

Default Pin State	GPIO & Export No	Net Name	Pin Number	Pin Number	Net Name	GPIO & Export No	Default Pin State
-	-	3.3V	1	2	5.0V	-	-
I(P/D)	GPIO3B.6 (#110)	I2C0_SDA	3	4	5.0V	-	-
I(P/U)	GPIO3B.5 (#109)	I2C0_SCL	5	6	GND	-	-
I(P/D)	GPIO0B.6 (#14)		7	8	UART1_TX	GPIO3D.6 (#126)	I(P/U)
-	-	GND	9	10	UART1_RX	GPIO3D.7 (#127)	I(P/U)
I(P/U)	GPIO0C.0 (#16)	UART0_RX	11	12		GPIO3D.0 (#120)	I(P/U)
I(P/U)	GPIO0C.1 (#17)	UART0_TX	13	14	GND	-	-
I(P/U)	GPIO3B.2 (#106)		15	16		GPIO3C.6 (#118)	I(P/U)
-	-	3.3V	17	18		GPIO3C.7 (#119)	I(P/U)
I(P/U)	GPIO2D.1 (#89)	SPI0_MOSI	19	20	GND	-	-
I(P/U)	GPIO2D.0 (#88)	SPI0_MISO	21	22		GPIO3D.1 (#121)	I(P/U)
I(P/U)	GPIO2D.3 (#91)	SPI0_SCLK	23	24	SPI0_CS0	GPIO2D.2 (#90)	I(P/U)
-	-	GND	25	26		GPIO3D.2 (#122)	I(P/D)
I(P/U)	GPIO0B.4 (#12)	I2C1_SDA	27	28	I2C1_SCL	GPIO0B.3 (#11)	I(P/U)
I(P/U)	GPIO4C.1 (#145)	UART1_CTS	29	30	GND	-	-
I(P/U)	GPIO4B.6 (#142)	UART1_RTS	31	32		GPIO3D.3 (#123)	I(P/D)
I(P/U)	GPIO0B.5 (#13)		33	34	GND	-	-
I(P/D)	GPIO3D.5 (#125)		35	36		GPIO3D.4 (#124)	-
		ADC.AIN1	37	38	REF 1.8V
-	-	GND	39	40	ADC.AIN0

2022/01/06 15:10 · neal

I2C-0

Pin Number	Net Name
3	I2C-0 SDA
5	I2C-0 SCL

I2C-1

Pin Number	Net Name
27	I2C-1 SDA
28	I2C-1 SCL

Download fritzing about the wiring
- ODROID-N2 part ☞ ODROID-N2 Fritzing part
- ODROID-C4 part ☞ ODROID-C4 Fritzing part
- ODROID-M1 part ☞ ODROID-M1 Fritzing part
- WEATHER-BOARD2 part ☞ Weather-board2 Fritzing part
- Wiring parts ☞ wb2_n2.fzz

target

odroid@odroid:~$ sudo apt install i2c-tools
odroid@odroid:~$ sudo i2cdetect -y -r 0
00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: 60 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- 76 --

or

target

odroid@odroid:~$ sudo i2cdetect -y -r 1
00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: 60 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- 76 --

If you don't find any i2c node on “/dev/”, please check this I2C setting.
Setting the I2C on ODROID-N2

target

$ sudo apt install python3-smbus
$ git clone https://github.com/hardkernel/WEATHER-BOARD.git
$ cd WEATHER-BOARD/python_weather

target

$ sudo python3 weather_board.py /dev/i2c-0

or

target

$ sudo python3 weather_board.py /dev/i2c-1

target

$ sudo apt install git
$ git clone https://github.com/hardkernel/WEATHER-BOARD.git
$ cd WEATHER-BOARD/c_weather
$ sudo apt install build-essential
$ make

target

$ sudo ./weather_board /dev/i2c-0

or

target

$ sudo ./weather_board /dev/i2c-1

WiringPi and Python Wrapper

target

$ git clone https://github.com/hardkernel/WEATHER-BOARD.git
$ cd WEATHER-BOARD/c_weather/wiringPi
$ make

target

$ sudo ./weather_board /dev/i2c-0

or

target

$ sudo ./weather_board /dev/i2c-1

Android Things with weather2-board

WEATHER-BOARD2 on ODROID-N2/C4

Requirements

Wiring

ODROID-N2

J2 - 2x20 PINS

ODROID-C4

J2 - 2x20 PINS

ODROID-M1

J1 - 2x20 PINS

Check your slave devices of WEATHER-BOARD

Downalod & run a example

Python

Pure C code

WiringPi

Android Things

ODROID Wiki