Hackster’s Handpicked Projects of the Week Sep 28, 2018

Open your door with a few simple taps; no keys needed!

Connect your Arduino via WebUSB with an web application circuit simulator.

Revamped an old 80’s boombox, just to look cool.

Check in on a loved one instantly and have fun!

It’s got 3-factor authentication including NFC fob, touchscreen PIN entry and one-time passcode sent via SMS — then the door unlocks!

Build a scale from an old one you have laying around. It works with Android notifications and logs your weight to Google Fit.

An outfit made of Martian material. It provides awareness of its environment. Let’s protect the Earth even if we can move to Mars.

A colorful lamp to notify the developer team for pending code reviews.

Wireless food scale with HTTP API.

This machine has two axis X and Y controlled by three steppers — two of steppers for the X and Y axis and the third axis for the extruder.

An unmanned ground vehicle, compatible with Arduino.

A simple gateway to enable every Arduino sending MQTT messages by using their serial interfaces.

The two towers feed a single dual input inverter located on the north tower. Each tower has its own battery set, solar regulator and tracking computer.

This is an PS1 case modified to house a Raspberry Pi with RetroPie but uses the original controllers.

You hate messy wirings? But you like ISP programmers? Then this universal ISP programmer is the solution for you.

Lottery Winner for Arduino creates a sequence of non-repeating pseudo-random numbers for lottery or other applications.

A study for a linear measuring device with Arduino and photoelectric rotary encoder.

This is the smallest RC car with electronic stability control in the world — probably! And it’s relatively easy to build.

A simple Arduino robotics kits for STEM education and groups.

A device that shows tasks for current work day. Allows filtering by tags. Contains backlog and history. Designed for touchscreen.

Update of the PENXZYL 3.0 project, with a new base and modified head and brush.

A system to trigger a Canon DSLR camera when there is motion in front of it. Uses a PIR, opto-isolator, and not much else!