Guides

How to Build a Smart Dustbin with an Ultrasonic...

A step-by-step guide to building a touchless automatic dustbin lid using an ultrasonic sensor and a servo motor.

How to Build a Smart Dustbin with an Ultrasonic...

A step-by-step guide to building a touchless automatic dustbin lid using an ultrasonic sensor and a servo motor.

Build a Wi-Fi Pet Feeder

A guide to building an internet-connected feeder that dispenses pet food on schedule or on demand from your phone.

Build a Wi-Fi Pet Feeder

A guide to building an internet-connected feeder that dispenses pet food on schedule or on demand from your phone.

Make a Sound-Reactive LED Strip

A guide to building an LED strip that pulses and shifts colour in time with music or ambient sound.

Make a Sound-Reactive LED Strip

A guide to building an LED strip that pulses and shifts colour in time with music or ambient sound.

Build a Motion-Activated Night Light

A practical guide to building a PIR-triggered night light that switches on only when it senses movement in the dark.

Build a Motion-Activated Night Light

A practical guide to building a PIR-triggered night light that switches on only when it senses movement in the dark.

Build a Mini Macro Keyboard with a Pi Pico

A guide to building a small programmable keypad that fires shortcuts, macros and hotkeys with a Raspberry Pi Pico.

Build a Mini Macro Keyboard with a Pi Pico

A guide to building a small programmable keypad that fires shortcuts, macros and hotkeys with a Raspberry Pi Pico.

Non-Contact Liquid Level Sensing with the XKC-Y25

A practical guide to the XKC-Y25 non-contact liquid level sensor that detects fluid through a container wall without touching it.

Non-Contact Liquid Level Sensing with the XKC-Y25

A practical guide to the XKC-Y25 non-contact liquid level sensor that detects fluid through a container wall without touching it.