ArduiHome redesigned with EasyIoT libraries

17 février 2015 F4HUY Un commentaire

Since I have discovered EasyIoT lib, i consider to redesign completely ArduiHome project. EasyIoT librarie support ESP8266 wifi , and NRF24L01+ shield, the wireless probe pcb will be use, with minor modifications.

I plan to use:

Temp/Humid sensor DHT22 for two bedrooms, and only Temp sensor for kitchen, bathroom, living-room, and maybe one sensor, Temp/Barometric Pressure for outside.

Also, somes security sensor’s like Carbon monoxide MQ7, and Gas Town MQ5/MQ6 will be add with use of SMS API from my mobile phone provider.

The server will run with EasyIoT server with a RaspberryPi2-1Gb, and a 4×20 LCD screen to display informations from sensor.

MCU-µC

TinyGPS lib and 4×20 LCD i2c Screen

10 février 2015 F4HUY Laisser un commentaire

There is a sketch to display GPS informations from TinyGPS librarie for Arduino, the LCD is a 4×20 characters, wired through a I2C connection.

Before, you need to download and install:

– TinyGPS++
– Arduino Liquid Crystal I2C (mine use 0x27 I2C adress, in case you don’t know, use a i2c scanner)

(picture on top show the test with a Arduino Pro Mini, LCD 4×20 and EM-406 GPS head, the Lat/Long display is fake for the pictures only)

Hack

PG03 MiniGPS and tracking recorder

30 janvier 2015 F4HUY 14 commentaires

First version : 24.04.2014

I have just retrieved a small gps buy from ebay, called Mini GPS (enf pg03), cost around 20€ …It is a small size and portable GPS receiver with data collecting and calculating functions. It also provides indication of geograpic coordinates, directions, world time, distance, milage, and velocity information. Its high-sensitive direction indication guide user to go back original departure position or go to the presetted target position. The unit shows clear travelling date in detail, such as, the direction of the target position, distance, satellite time, and velocity information in usage.

This small unit do not provide to record tracking informations … so, start to disassemble it, in the goal to record NMEA sentence. Continuer la lecture de PG03 MiniGPS and tracking recorder →

Repair

Unbrick FT232 counterfeit chip

27 janvier 2015 F4HUY 2 commentaires

Like many people, i buy, time to time, some chips or shield from Chinese (dx, aliexpress, ebay) vendors, unfortunately my FTDI FT232 breakout was a fake chip, here he is a interesting thread about that.

Jordi Binefa , (thank, you made my day), describe a quickly and easy method to recover a bricked chip, you need have Linux, you can use a live cd/usb instead installed version if you prefer. Continuer la lecture de Unbrick FT232 counterfeit chip →