I got a couple of INA 219 modules from an online seller overseas. I was looking for a different dc current sensor module to start a small battery charger project, so I welcomed them. The INA219 based ...

The title says it all – this article describes a microcontroller-compatible current sensor module you can build yourself, using an inexpensive 8-pin chip as an ‘active shunt’ for measuring ac/dc ...

All will work with a 5V MCU on the cool side. A heath warning: Do not mess with the mains if you don’t know what you are doing. In modules, any safety performance that these devices have is often ...