NeverCode has created a Raspberry Pi Pico smart clock and shared lots of details on how you can recreate it for yourself at ...

Fig. 2 shows the circuit diagram of the automatic school bell. It is built around Arduino Uno R3, 16×2 LCD display with I2C (MOD1), DS3231 RTC, 4×4 matrix keypad, 5V SPDT relay, 230V AC call bell, and ...

(at your option) any later version.

Until revision 4, the keypad scanning was entirely done on the ESP32 itself ... The accelerometer has two interrupt outputs of which one is connected to the ESP32. Via i2c the interrupt settings can ...

The PicoCalc is a new handheld with a retro design. At first glance it looks more like a graphing calculator than a modern ...

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you ...

Silicon Labs MG26 is a new family of Arm Cortex-M33 wireless SoCs designed for Matter or multiprotocol Smart Home applications that provide an update to the MG24 with more memory and storage, ...

After I enter my phone number on the checkout keypad, the deals are automatically applied to my bill. It’s like playing a computer game where you get a real prize. But the move to online clipping was ...