ULPNode first prototypes status

ULPNode 1st Proto PCB

Today I wanted to do a quick project status of the 1st prototype of ULPNode I received some days ago. After the introduction of ULPNode, and both articles about  bootloader (1 and 2) used, for this one I will start with… Continue Reading


Implementing Bootloader for Ultra Low Power Arduino Wireless Sensor Node : Part 2

ULPNode Fuses settings

Following the 1st part of bootloader description for ULPNode this article describe what modification have been done to optiboot to be able to drive new Ultra Low Power nodes. Optiboot For this, I started from original optiboot (latest trunk from google code)… Continue Reading


Customized Bootloader for Ultra Low Power Arduino Wireless Sensor Node : Part 1

ULPNode Bootloader Testing

Following the previous article presenting the ULPNode it’s now time to deep into the technique used to setup the starting mechanism of ULPNode bootloader. In this 1st part I’m introducing the goals to achieve and in the 2nd how it has… Continue Reading


Be prepared to new Ultra Low Power Arduino Wireless Sensor Node

ULPNode Early Prototypes

Why this new project ? For some time being, I researching a way to have to have a kind of “universal” Arduino node sensor. When I say universal, I’m talking about connecting to it several sensors type (Temperature, Humidity, Lux,… Continue Reading


Teleinfo Broadcast comptatible avec Emoncms

Données Teleinfo sur Emoncms

Dans un précédent billet je présentais un petit programme que j’avais écrit pour envoyer les informations reçues via la téléinformation vers une base mySQL ou en diffusion sur le réseau. Un autre post détaillait la procédure pour faire fonctionner le… Continue Reading