Reader [john] finished up his home power monitor over the holiday weekend. It uses a pair of current transducers clamped onto the mains. These output 0-3V and are read by the Arduino’s ADC. The ...

IoT and wearable devices have become essential tools in our everyday lives. From health monitoring wearables to smart home sensors, they rely heavily on battery power to function. However, optimizing ...

Trying to figure out the capacity left in a battery based on only its voltage is difficult. The equivalent-series-resistance (ESR) of the battery makes the cell’s voltage a function of the current ...

Makers, developers and hobbyists that enjoy building Arduino projects might be interested in a new Arduino based board in the form of the Qduino Mini, that has been created by 14 year old developer ...

Starting your garden indoors helps to ensure large yields. This is because the plants get a head start before it’s warm enough for them to be put in the ground. But the process involves a fair amount ...

Linear Technology announces the LTC6811 high voltage battery stack monitor, a drop-in replacement for the LTC6804 with higher performance and 25 per cent lower price. The LTC6811 is a complete battery ...