Recent content by jmar

I am creating a photovoltaic energy system for my use. It works at 48v with 4 batteries in series. Each battery has its own charger, which I built, which receives power from its own panel. With this I aim to always have the batteries equalized and the system works. My problem begins when trying...

Not. When I make the first connexion with the module BT909 I don`t receive anything. But if I make first the connexion with Coolterm then I disconnect the coolterm and connect with Excel, then works.

I am building a photovoltaic energy system for my domestic use. It is at 48v, therefore each panel charges its battery, controlled by its charger that sends data. The data from the 4 batteries is collected by a microprocessor that sends them via Bluetooth to another Bluetooth module, working as...

I need to transmit data collected from a BT-909 (Bluethoot module) to Excel. For this I use the modCOMM library - Written by: David M. Hitchner. When I get it to recognize the BT909 module with a USB connection through port 6, everything works fine. The problem is the first connection. Testing...

Hola. Soy técnico electrónico, actualmente jubilado. Pero como hobby estoy haciendo un sistema fotovoltaico que quiero monitorear usando Excel. Tengo pocos conocimientos de VBA y por eso, buscando, encontré este foro, que me parece muy interesante. Translation added by Moderator:- Hello. I am...