diff --git a/README.md b/README.md
index 683f84c..8b4838e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,123 @@
# BITE - Basic/IoT/Example
Playing with IoT
+
+This project is for educational purposes only. It does not implement any authentication and/or encryption protocol, so it is not suitable for real production.
+
+## Installation
+
+### Requirements
+
+- `docker-ce` or `moby`
+- `docker-compose`
+
+The project is compatible with Docker for Windows (using Linux executors), but it is advised to directly use a minimal Linux VM instead (via the preferred hypervisor).
+
+The application stack is composed by the following components:
+
+- [Django](https://www.djangoproject.com/) with [Django REST framework](https://www.django-rest-framework.org/) web application (running via `gunicorn` in production mode)
+ - `mqtt-to-db` custom daemon to dump telemetry into the timeseries database
+ - telemetry payload is stored as json object (via PostgreSQL JSON data type)
+- [Timescale](https://www.timescale.com/) DB, a [PostgreSQL](https://www.postgresql.org/) database with a timeseries extension
+- [Mosquitto](https://mosquitto.org/) MQTT broker (see alternatives below)
+- [Nginx](http://nginx.org/) as ingress for HTTP (see alternative below)
+- [Chrony](https://chrony.tuxfamily.org/) as NTP server (with optional `MD5` encryption)
+
+## Deployment
+
+### Development
+
+```bash
+docker-compose -f docker/docker-compose.yml up -d [--scale {bite,mqtt-to-db)=N]
+```
+It exposes:
+- `http://localhost:80` (HTTP)
+- `tcp://localhost:1883` (MQTT)
+- `udp://localhost:123` (NTP)
+
+Django runs with `DEBUG = True` and `SKIP_WHITELIST = True`
+
+### Development with direct access to services
+
+```bash
+docker-compose -f docker/docker-compose.yml -f docker-compose.dev.yml up -d [--scale {bite,mqtt-to-db)=N]
+```
+It exposes:
+- `http://localhost:80` (HTTP)
+- `http://localhost:8080` (Django's `runserver`)
+- `tcp://localhost:1883` (MQTT)
+- `udp://localhost:123` (NTP)
+- `tcp://localhost:5432` (PostgreSQL/Timescale)
+
+Django runs with `DEBUG = True` and `SKIP_WHITELIST = True`
+
+### Production
+
+```bash
+docker-compose -f docker/docker-compose.yml -f docker-compose.prod.yml up -d [--scale {bite,mqtt-to-db)=N]
+```
+It exposes:
+- `http://localhost:80` (HTTP)
+- `tcp://localhost:1883` (MQTT)
+- `udp://localhost:123` (NTP)
+
+Django runs with `DEBUG = False` and `SKIP_WHITELIST = False`
+
+## Extra features
+
+The project provides multiple modules that can be combined with the fore-mentioned configurations.
+
+### Traefik
+
+To use [Traefik](https://containo.us/traefik/) instead of Nginx use:
+```bash
+docker-compose -f docker/docker-compose.yml up -f docker/ingress/docker-compose.traefik.yml -d
+```
+
+### VerneMQ
+
+A ~8x memory usage can be expected compared to Mosquitto.
+
+To use [VerneMQ](https://vernemq.com/) instead of Mosquitto use:
+```bash
+docker-compose -f docker/docker-compose.yml up -f docker/mqtt/docker-compose.vernemq.yml -d
+```
+
+### RabbitMQ
+
+RabbitMQ does provides AMQP protocol too, but ingestion on the application side is not implemented yet.
+A ~10x memory usage can be expected compared to Mosquitto.
+
+To use [RabbitMQ](https://www.rabbitmq.com/) (with the MQTT plugin enabled) instead of Mosquitto use:
+```bash
+docker-compose -f docker/docker-compose.yml up -f docker/mqtt/docker-compose.rabbitmq.yml -d
+```
+
+## EDGE gateway simulation (via dind)
+
+An EDGE gateway, with containers as modules, may be simulated via dind (docker-in-docker).
+
+### Start the EDGE
+
+```bash
+docker-compose -f docker/docker-compose.yml up -f docker/edge/docker-compose.edge.yml -d
+```
+
+### Run the modules inside the EDGE
+
+```bash
+DOCKER_HOST='127.0.0.1:22375' docker-compose -f docker-compose.modules.yml up -d [--scale {device-http,device-mqtt}=N]
+```
+
+## Ardunio
+
+A simple Arduino UNO sketch is provided in the `arduino/tempLightSensor` folder. The sketch reads temperature and light from sensors. The simple schematic is:
+
+
+
+The sketch does require an Ethernet shield and a bunch of libraries which are available as git submodules under `arduino/libraries`.
+Be advised that some libraries (notably the NTP one) are customized.
+
+Configuration parameters are stored and retrieved from the EEPROM. An helper sketch to update the EEPROM is available under `arduino/eeprom_prog`
+
+An `ESP32` board (or similar Arduino) may be used, with some adaptions, too.
diff --git a/arduino/tempLightSensor/tempLightSensor.fzz b/arduino/tempLightSensor/tempLightSensor.fzz
new file mode 100644
index 0000000..ea9a274
Binary files /dev/null and b/arduino/tempLightSensor/tempLightSensor.fzz differ
diff --git a/arduino/tempLightSensor/tempLightSensor.svg b/arduino/tempLightSensor/tempLightSensor.svg
new file mode 100644
index 0000000..476b030
--- /dev/null
+++ b/arduino/tempLightSensor/tempLightSensor.svg
@@ -0,0 +1,5175 @@
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+ 1
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+ 1
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+ 5
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+ 5
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+ 10
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+ 10
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+ 15
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+ 15
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+ 20
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+ 20
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+ 25
+
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+ 25
+
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+ 30
+
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+ 30
+
+
+ A
+
+
+ A
+
+
+ B
+
+
+ B
+
+
+ C
+
+
+ C
+
+
+ D
+
+
+ D
+
+
+ E
+
+
+ E
+
+
+ F
+
+
+ F
+
+
+ G
+
+
+ G
+
+
+ H
+
+
+ H
+
+
+ I
+
+
+ I
+
+
+ J
+
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+ J
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ layer 21
+
+ text:MADE IN
+
+
+ text:ITALY
+
+
+ text:Prototype
+
+
+ text:Limited
+
+
+ text:Edition
+
+
+
+
+
+
+
+
+
+
+
+
+ 13
+
+
+
+
+
+
+
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+
+
+
+
+
+
+ 12
+
+
+
+
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+
+
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+
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+
+
+
+
+
+
+ 11
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+ ETH
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 9
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 8
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 7
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 5
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ SDCS
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 3
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 2
+
+
+
+
+
+
+
+
+
+
+
+
+ element:C1
+
+ package:C0603-ROUND
+
+
+
+ element:C2
+
+ package:C0603-ROUND
+
+
+
+ element:C3
+
+ package:C0603-ROUND
+
+
+
+ element:C4
+
+ package:C0603-ROUND
+
+
+
+ element:C5
+
+ package:C0603-ROUND
+
+
+
+ element:C6
+
+ package:C0603-ROUND
+
+
+
+ element:C7
+
+ package:C0603-ROUND
+
+
+
+ element:C8
+
+ package:C0603-ROUND
+
+
+
+ element:C9
+
+ package:C0603-ROUND
+
+
+
+ element:C11
+
+ package:C0603-ROUND
+
+
+
+ element:F1
+
+ package:L1812
+
+
+
+ element:FD1
+
+ package:FIDUCIA-MOUNT
+
+
+
+ element:FD2
+
+ package:FIDUCIA-MOUNT
+
+
+
+ element:FD3
+
+ package:FIDUCIA-MOUNT
+
+
+
+ element:GROUND
+
+ package:SJ
+
+
+
+ element:R1
+
+ package:R0603-ROUND
+
+
+
+ element:R2
+
+ package:R0603-ROUND
+
+
+
+ element:RN1
+
+ package:CAY16
+
+
+
+ element:RN2
+
+ package:CAY16
+
+
+
+ element:RN3
+
+ package:CAY16
+
+
+
+ element:RN4
+
+ package:CAY16
+
+
+
+ element:Z1
+
+ package:CT/CN0603
+
+
+
+ element:Z2
+
+ package:CT/CN0603
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 0
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 1
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ TX
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ RX
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ AREF
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ GND
+
+
+
+
+
+
+
+
+
+
+
+
+
+ layer 25
+
+
+
+
+
+ 5V
+
+
+
+
+
+
+ text:A0
+
+
+
+ A0
+
+
+
+
+
+
+
+
+
+ ANALOG IN
+
+
+
+
+
+
+ text:M.Banzi
+
+
+ text:D.Cuartielles
+
+
+ text:D.Mellis
+
+
+
+
+
+
+ TX
+
+
+
+
+
+
+
+
+
+
+ RX
+
+
+
+
+
+
+ text:G.Martino
+
+
+ text:T.Igoe
+
+
+
+
+
+
+
+
+
+
+
+
+ RESET
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 3V3
+
+
+
+
+
+
+
+
+
+
+
+
+ text:A1
+
+
+
+ A1
+
+
+
+
+
+ text:A2
+
+
+
+ A2
+
+
+
+
+
+ text:A3
+
+
+
+ A3
+
+
+
+
+
+ text:A4
+
+
+
+ A4
+
+
+
+
+
+ text:A5
+
+
+
+ A5
+
+
+
+
+
+
+
+
+
+ VIN
+
+
+
+
+
+
+
+
+
+
+ GND
+
+
+
+
+
+
+
+
+
+
+ GND
+
+
+
+
+
+
+ text:[#=PWM]
+
+
+
+ DIGITAL (PWM SPI )
+
+
+
+
+
+
+ SCL
+
+
+
+
+
+
+ SDA
+
+
+
+
+
+
+
+ <
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ text:#
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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\ No newline at end of file
diff --git a/arduino/tempLightSensor/tempLightSketch.svg b/arduino/tempLightSensor/tempLightSketch.svg
deleted file mode 100644
index cf07828..0000000
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- 1
- 1
- 5
- 5
- 10
- 10
- 15
- 15
- 20
- 20
- 25
- 25
- 30
- 30
- A
- A
- B
- B
- C
- C
- D
- D
- E
- E
- F
- F
- G
- G
- H
- H
- I
- I
- J
- J
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-
- AREF
- GND
- RESET
- 3V3
- LINK
- PWR
- 100M
- FULLD
- COLL
- RX
- TX
- INT
- WP
- ICSP
- RESET
- 13
- 12
- 11
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
- TX
- RX
- 0
- 5V
- Gnd
- MEGA compatible
- ANALOG IN
- 9V
- A0
- 1
- 2
- 3
- 4
- A5
- Arduino
- ETHShield
- SD
-
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-
-
-
-
-
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- TMP
- 36
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- AREF
- GND
- RESET
- 3V3
- LINK
- PWR
- 100M
- FULLD
- COLL
- RX
- TX
- INT
- WP
- ICSP
- RESET
- 13
- 12
- 11
- 10
- 9
- 8
- 7
- 6
- 5
- 4
- 3
- 2
- 1
- TX
- RX
- 0
- 5V
- Gnd
- MEGA compatible
- ANALOG IN
- 9V
- A0
- 1
- 2
- 3
- 4
- A5
- Arduino
- ETHShield
- SD
-
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