There is actually a close relationship between microcontroller technology and home security, since you can use a microcontroller based circuit to help you protect your home. Here is an ultra simple ...

[IngGaro]’s latest project uses the full range of features available in this versatile microcontroller and has turned an Arduino Mega into a fully-functional home alarm system. The alarm ...

An Arduino is a microcontroller ... You'll need the sensor module R305 to read your fingerprint and a list of other connectors to link the circuit to your lock. It essentially creates a ...

The circuit is highly-flexible so that you can use any SIM900A modem (and ofcourse any Arduino Uno board) of your choice. Carefully read the modem documentation before construction to make the task ...

Here is the circuit for the Sparkfun Active Low style sensor. PIR Pin ... 10K Resistor connects to PIR Pin “Alarm” PIR Pin “Alarm” connects to Arduino Digital 2 The code for ...

If like me you sometimes find it a little hard to get out of bed in the morning and would like to make it a little more fun, you may be interested in a new Arduino Nerf target alarm clock which ...