Tous les articles par F4HUY

Monitoring your network with SIGFOX

Ethernet-monitoring-with-SigFox

I’have finally found an excuse to use my Akeru SigFox board, with some lines on Arduino, two libraries, and a Ethernet shield, you can monitor if your network getaway, or server, website .. what you want in fact, still alive, with a ICMP request. The akeru board is stacked with the Ethernet shield, the loop check is the defined IP adress respond to ICMP request, if not, the akeru board send a SigFox request to the SigFox network, then the callback function send a email alert.
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Obsolescence programmée, réparation d’une station de charge USB, Watt & Co CH220-5-DOCK

Article rédiger en Français, ce produit n’étant a ma connaissance vendu quand France. WATT&CO est une startup d’une dizaine de personnes, installée dans le Vaucluse.

Watt & Co CH220-5-DOCK, de son nom commercial est une station de charge USB pour téléphone mobile, j’en ai eu trois qui sont passer entre mes mains, tomber en panne quasiment au même moment, le défaut vient d’une diode qui fini par cramé et rendre inopérant le circuit, la remplacer par une équivalence permet de résoudre le problème.

Première étape, démonté l’appareil, deux vis de sécurité a retirer avec le tournevis qui va bien.
SCharge_Watt&8 (1)
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APRS tracker with DRA818V

Small prototype of combination between trackuino and DRA818V,

Overview

« Trackuino is intended for use by licensed radio amateurs. By operating on the standard APRS frequency, the signal can be picked up by an Internet gateway and reported on aprs.fi, so anyone with an Internet connection can track the tracker »

The idea of this project was to build a trackuino board with small gps module, low power arduino pro mini (3.3v @8mhz), a VHF transceiver DRA818V, and power management integrated. vue-dessus-dra818v_2with_antenna Continuer la lecture de APRS tracker with DRA818V

Postbox detector with SigFox Akeru board

The idea of this project is to easy detect if the postman has put some letter’s in the box … or not. Problem, i live in a apartment, 3th floor, no communication link can be established between my apartment and the mailbox, Wifi networks are not available, ISM 433mhz, 2.4ghz link don’t work, GSM consumption is to high … but SigFox Akeru board work like a charm, amazing for only 25mw of output power with a lot of concrete and metal around…

2015-12-07 17.17.44 Continuer la lecture de Postbox detector with SigFox Akeru board