Bartosz Tomeczko varia

BT Metering System

Sensor/actuator board

Finally I got some spare time to write something about first revision of sensor board (which will also act as an actutor board).

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Receiver board

In recent days I found some interesting 2.4GHz transceivers on ebay.com ($1.30 each). Those modules are 3.3V capable of transmitting data at 2Mbps at maximal speed (0.25Mbps and 1Mbps are also possible options). They work in simplex mode. Main idea is to create a simple system for data acquisition from different sensors (like temperature, humidity, light, some binary sensors like flood sensor or door unlocked/locked). Later I also thought, that actuators could be driven using those modules. I started with receiver module, which is described in this article. 

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