Pickup

What it does

A modular sensor power tool to monitor the invisible—air quality, growing conditions, citizen science—inside or outside. Sensor cartridges from CO2 to spectrometer, rules-based automation, stream data to Google Sheets, AirTable, Zapier, HTTP, MQTT.

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  Enviro+ for Raspberry Pi – Environmental sensors2019 · shop.pimoroni.com · ▲397

  Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi!

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  Air Lab – A portable and open air quality measuring device2025 · networkedartifacts.com · ▲497

  Hi HN! I’ve been working on an air quality measuring device called Air Lab for the past three years. It measures CO2, temperature, relative humidity, air pollutants (VOC, NOx), and atmospheric pressure. You can log and analyze the data directly on the device — no smartphone or laptop needed. To better show what the device can do and how it feels like, I spent the past week developing a web-based simulator using Emscripten. It runs the stock firmware with most features available except for networking. Check it out and let me know what you think! The firmware will be open-source and available…

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  MicroBot Sense2018 · ▲74

  Smart sensor that monitors your environment and air quality

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  I wanted to measure CO2 in my office, so I build a C++ WebServer/App2019 · github.com · ▲146

  A simple webserver / CO2 Monitor. Contribute to Maddimax/MadCO2 development by creating an account on GitHub.

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  Low cost CO₂ monitoring (your office) with Prometheus and Go2018 · github.com · ▲127

  CO₂ & Temperature monitor. Contribute to larsp/co2monitor development by creating an account on GitHub.

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  theO: Smart Indoor Environment Sensor2018 · indiegogo.com · ▲80

  Get intelligent insights into your air quality

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  SimCity, but with Permits▲939

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 7d ago · permit.petercai.com

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  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 19d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 20d ago · bigwords.page

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  Steal My Bitcoin▲619

  A PHP security challenge. Find the hidden bitcoin key. First person to get the wallet wins.

  Life & fun · 3d ago · stealmybitcoin.com

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 14d ago · guitoro.com

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  Product Hunt Visual Launch Editor▲446

  See your launch as you build it

  Life & fun · 5d ago

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  AI Content Genie▲1,071

  AI autopilot for content creation & marketing

  AI · 2023 · typeface.ai

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  Nudge 2.0▲1,051

  In-app experiences to activate, retain, & understand users

  Growth · 2023 · nudgenow.com

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  Cal.ai Email Assistant▲918

  World's first open source AI scheduling assistant

  AI · 2023 · cal.com

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  Design Studio by Tiledesk▲867

  Unlock AI magic for elevated customer engagement, fast

  AI · 2023 · tiledesk.com

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  TalkNotes▲854

  Turn your thoughts into actionable notes, fast

  AI · 2023 · talknotes.io

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  OpenAPI DevTools – Chrome extension that generates an API spec▲811

  Effortlessly discover API behaviour with a Chrome extension that automatically generates OpenAPI specifications in real time for any app or website.

  Dev tools · 2023 · github.com