Too much sleep power

Intro Plenty of devices are running on power all the time, even when we are not using them. Sometimes all they do is monitor for the user to press a button or interact with the devices, but many modern devices maintain network connectivity. This allows them to wait for some user interaction which may come through a network connection from a computer, phone or other device. Some of these devices are doing so with low… Continue reading

ESP-NOW

Intro The wireless sensor modules I built for my smart home are doing fine in terms of battery life without much effort. Typical life is 1-1.5 years for AAA powered and more than double that for AA powered nodes. So I thought I would have a better look at ESP-NOW. That’s because an ideea popped up during discussion with a friend: can he build a simple sensor network, quick and easy, with off the shelf… Continue reading