Automatic plant watering device
Call it a robotic gardener or an artificial green thumb, it is a device that keeps the soil of my chili plant wet. The principle is simple. A moisture sensor hooked up to an...
Category: ATtiny85
Electric watchdog notifies from incoming mail
Attaching an accelerometer to the underside of the lid of a mailbox, hooking up a microcontroller, an LED and a piezo buzzer can make a device that notifies from incoming mail. The microcontroller (ATtiny85)...