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Use an Arduino UNO R4 Wi-Fi and a free cloud API to send real-time WhatsApp alerts based on sensor readings, no GSM, SIM, or official API
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Arduino UNO R4 WhatsApp Alerts via Cloud

electroscope-archiveElectroScope Archive

Flexible, compact and beautiful prototyping framework
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next.module

ruslanRuslan

An 8-bit Full Adder, with Accumulator to store one operand. Do binary addition (and subtraction) together with the 8-bit Workbench™.
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Byte Adder Subtractor

nijssenNijssen

Mini-PI Media Server for use on home network or as a wifi access point to stream media from
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Mini-PI Media Server

diddydiddy

Classic arcade with all the latest technological advancements, ready for the classics. Enjoy!
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THE ULTIMATE MINI ARCADE

srrubioSrRubio

Raspberry Pi Pico W turns typed text into natural speech using Wit.ai and I²S audio – simple hardware, cloud TTS, and portable voice output.
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Pico AI Text-to-Speech Voice Output

electroscope-archiveElectroScope Archive

Turn an ESP32-C3 into a talking microcontroller using Wit.ai cloud TTS, I2S audio, and a MAX98357A amplifier — perfect for voice alerts.
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AI-Powered ESP32-C3 Text-to-Speech (Wit.ai)

electroscope-archiveElectroScope Archive

The 8-key macro pad with screen isn’t just another macro pad — it's a visual, scriptable, dynamic control deck you build and own.
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8‑Key Macro pad with 3.5 inch LCD

shu-yangSHU YANG

Build a USB-keyboard based game controller with an Arduino Uno R4, joystick, and buttons — fully wired, coded, and ready to play nearly any
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DIY Arduino USB Game Controller

electroscope-archiveElectroScope Archive

ESP32-based personal library console for tracking reads, organizing TBR, and book discovery.
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ESP32 Personal Library Console

julia-mJulia M

custom(izable) circuit for sending some megabytes over differential pairs.
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miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdesYann Guidon / YGDES

Connecting 8 FSR pads to a Raspberry Pi 5 to measure and analyze my sleeping positions over a prolonged period of time.
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Quantifying Sleep Positions With Body Weight

bret-bernhoftBret Bernhoft

It is a board that lets the Einstein computer emulate the Spectrum. Design by Tony Brewer.
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Tatung Einstein Speculator analysis

keithKeith

Combination 3D Printer, Laser Cutter, Drag Knife, Pick-and-place, and Engraver
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Universal Fabricator

jacksonJackson

trash sorter
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EcoVision

alex-duAlex Du

the thing you need to plug to a miniMAC
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miniPHY

yann-guidon-ygdesYann Guidon / YGDES

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