Category: Electronic

Setup a Beautiful Dashboard to Monitor Temperature and Battery Voltage. [Idea]

Recently I want to install a Temperature Insulation in my house since it’s very hot in daylight. But I really curious if this insulation really work lowering temperature in my house? For this obviously I will need a temperature sensor. So There is DHT-11 a very low price and low resolution with high noise level […]

How much battery you need for your (off grid) house?

To know how much battery you actually need to know how much you use per day. For most of us perhaps we don’t really know how much energy we use per day. The good news is you can estimate from you monthly electricity billing and how much every KWh cost. For example in my country […]

Configuring Wireless in Buildroot [buildroot part-5]

In previous post we already cover about how we can Enable the Wi-Fi. Until then, we still unable to use them in our linux. In this part, we shall cover how to configure and connect to Wi-Fi hotspot using some tools we will enable and configure these tools using configuration file. Here we go: $ […]

Using rootfs overlay in buildroot [buildroot part-4]

If we wanted buildroot to automatically copy some file in root file system in our target, we can use feature called “rootfs overlay”. This feature of buildroot enable us automate copying some file into root file system, usually it’s a configuration file. $ make menuconfig System configuration – () Root filesystem overlay we should fill […]

How MPPT in Solar Charge Controller can charge a battery?

This post is a part 2 of my discussion about MPPT and solar charge controller with my Friend (SekteCinta). On part 1 we discuss about what is MPPT and why it’s exist but haven’t discuss about MPPT in battery charge controller. SC: I still confuse about battery charger and MPPT M: So, There is no […]