d6t-2jcieev01-raspberrypi

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d6t-2jcieev01-raspberrypi

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D6T OMRON MEMS Thermal Sensors with evaluation kit 2JCIE-EV01-RP1 and some Raspberry-Pi boards.

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# d6t-2jcieev01-raspberrypi
It is a sample projects for D6T OMRON MEMS Thermal Sensors with
evaluation kit **2JCIE-EV01-RP1** and some Raspberry Pi boards.

D6T sensor series are High Sensitivity Enables Detection
of Stationary Human Presence,

- OMRON's unique MEMS and ASIC technology achieve a high SNR.
- Superior noise immunity with a digital output.
- High-precision area temperature detection with low cross-talk field of
    view characteristics

## Description
this Raspberry Pi sample projects for acquiring data from sensors on 2JCIE-EV01.
sample projects output the sensor data.

| example | sensor type                | pixel number           | board |
|:-------:|:---------------------------|:-----------------------|:-----------------------|
| d6t-1a  | D6T-1A-01 / D6T-1A-02  | 1x1   | Raspberry-Pi ZERO-W |
| d6t-8l  | D6T-8L-09   | 1x8   | Raspberry-Pi ZERO-W |
| d6t-8lh  | D6T-8L-09H   | 1x8   |  Raspberry-Pi ZERO-W |
| d6t-44l | D6T-44L-06 / D6T-44L-06H   | 4x4   | Raspberry-Pi ZERO-W |
| d6t-32l | D6T-32L-01A   | 32x32   |  Raspberry-Pi ZERO-W |

## DEMO
sample output from D6T-44L

```
PTAT:   27.2[degC], Temperature: 27.5, 27.3, 27.3, 27.3, 27.2, 27.1, 27.1, 27.2, 27.1, 27.1, 27.3, 27.3, 27.0, 27.2, 27.3, 27.0, [degC]
PTAT:   27.2[degC], Temperature: 27.4, 27.2, 27.3, 27.2, 27.2, 27.2, 27.3, 27.2, 27.2, 27.1, 27.3, 27.3, 27.0, 27.3, 27.3, 27.1, [degC]
PTAT:   27.2[degC], Temperature: 27.5, 27.2, 27.5, 27.1, 27.2, 27.1, 27.2, 27.1, 27.1, 27.1, 27.3, 28.1, 28.2, 27.5, 27.2, 27.0, [degC]
```

## Installation
### Prerequisite
- gcc (pre-installed in standard Raspbian)
- **Required** change I2C speed to 100kHz for D6T-1A/8L/44L (see below)

### Procedure
this procedure shows the procedure to use the sensors on
**2JCIE-EV01-RP1** .

1. download the archive from github [releases](releases) or
    [master](archive/d6t-2jcieev01-raspberrypi-master.zip)

```shell
    $ unzip d6t-2jcieev01-raspberrypi-master.zip
    ```

or, with git:

```shell
    $ git clone https://github.com/omron-devhub/d6t-2jcieev01-raspberrypi
    ```

2. make

```shell
    $ cd d6t-2jcieev01-raspberrypi-master
    $ make all
    ```

3. run

```shell
    $ ./d6t-1a
    ```

```shell
    $ ./d6t-8l
    ```

```shell
    $ ./d6t-8lh
    ```

```shell
    $ ./d6t-44l
    ```

```shell
    $ ./d6t-32l
    ```

### Change I2C speed to 100kHz or less
1. edit /boot/config, find below string

```
dtparam=i2c_arm=on
```

2. change i2c speed: append the parameter `,i2c_arm_baudrate=n` ,
    /boot/config will be changed as below.

```
dtparam=i2c_arm=on,i2c_arm_baudrate=100000
```

3. **Required** ) then reboot

## Links
- [Arduino samples for 2JCIE-01-AR1/FT1](https://github.com/omron-devhub/2jcieev01-arduino)
- [RaspberryPi samples for 2JCIE-01-RP1](https://github.com/omron-devhub/2jcieev01-raspberrypi)
- [Arduino sample for D6T on 2JCIE-01-AR1/FT1](https://github.com/omron-devhub/d6t-2jcieev01-arduino)
- [Arduino sample for D6F on 2JCIE-01-AR1/FT1](https://github.com/omron-devhub/d6f-2jcieev01-arduino)
- [RaspberryPi sample for D6F on 2JCIE-01-RP1](https://github.com/omron-devhub/d6f-2jcieev01-raspberrypi)
- [Arduino sample for B5W on 2JCIE-01-AR1/FT1](https://github.com/omron-devhub/b5w-2jcieev01-arduino)

projects by another authors.

- [d6t-grove-tinkerboard project](https://github.com/omron-devhub/d6t-grove-tinkerboard)
- [d6t-grove-m5stack project](https://github.com/omron-devhub/d6t-grove-m5stack)
- [d6t-grove-arduino project](https://github.com/omron-devhub/d6t-grove-arduino)  
    only for element 4x4 type, but libralized.

Licensed under the MIT License.

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