The famous Logitech Trackman MarbleFX trackball has four buttons, of which the 4th (red) button was used to emulate a scroll wheel. To enable this, the trackball needs to be switched into a special ...

Introduction: 'dot' was a hit at the barThe other day, I went to a bar I'd never been to before by myself. In the flow of conversation, I showed them 'dot,' the round-screen device I had hanging on my ...

Spacecraft propellant transfer controller on an ATmega32U4: fault-latching valve state machine (overpressure, thermal, link loss), auto flow profile, JSON telemetry, and a FastAPI + React ground ...

It's a neat little companion for my productivity tasks ...

They might have worked for a while now but the important features only just landed ...

These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...

Executive SummaryThe Wii Balance Board (Nintendo RVL-WBC-01) is widely used in fields such as medicine, rehabilitation, and ...

On its 1000-ohm tap it needs only about 3 mA for full scale, so the ESP32 drives it straight from a GPIO with PWM, with no ...

The Flipper's built-in CC1101 sub-GHz radio does both jobs: in Sniff mode it hops the channels, decodes a live remote and ...

Simon is a Computer Science BSc graduate who has been writing about technology since 2014, and using Windows machines since 3.1. After working for an indie game studio and acting as the family's go-to ...

Set up microcontroller to sense button presses via gpio pin and light the user led. XIAO esp32s3 transforms them as morse code into a string of characters sent over serial monitor. Found some thermal ...

How I Became a Trader With $60K(18:15) Surviving Day 1 of Anything(20:35) The Comfort Trap(23:50) Finding Your Arb(32:00) No ...