Similar ideas popular now
Technology is advancing daily and everything is turning smarter. A number of traditional devices that we use in our homes are becoming smarter now, including doorbells that are evolving with new features and styles. Today you will find many fancy doorbells in the market with touch switch system, but these are very costly to set up and everybody cannot afford them.
Adafruit FONA 808 Shield - Mini Cellular GSM + GPS for Arduino
DIY Onboard Active Buzzer Alarm Module for Arduino (Works with Official Arduino Boards). Model N/A Quantity 1 Color Blue Material PCB + plastic Features Using 9012 transistor drive; Working voltage: DC 3.3~5V Application When the I / O port input is high, the buzzer sounds Packing List 1 x Active buzzer module 3 x Connection cables (19cm). Tags: #Electrical #Tools #Arduino #SCM #Supplies #Boards #Shields
SlouchyBoard - an Annoying Way to Keep You From Slouching (Intro to EasyEDA): Slouchy board is a small 30mm x 30mm PCB (Printed Circuit Board) that uses a tilt sensor, a piezo buzzer and an ATTiny 85 to make an annoying sound when the user is slouching. The board could be attached to a users shirt or hat so that when they l...