Dev tools · alternatives · 2026
24 alternatives to Capacitor Alarm Clock
I made an alarm clock that blows up capacitors to wake you up. There are more details on the Github repo but it's made from an esp32-c3 as the microcontroller, with 3 capacitor slots. There are relays on each capacitor slot to put 15v reverse voltage on the capacitor, with 5.1 ohm resistors on each slot for current limiting in case the capacitor shorts out. I also chucked in an SSD1315 OLED to show the time and a menu to configure it, although there's a web UI as well. The esp32 also means you can fetch the time from NTP. It also functions as a small heater since I used LDOs to step down 15v…
Capacitor Alarm Clock is an alarm device built around an ESP32-C3 microcontroller that wakes users by deliberately destroying capacitors with reversed 15V voltage. It features three capacitor slots with relay controls… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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2021 · stavros.io · its alternatives →
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Bonjour▲273Smart alarm clock with artificial intelligence
2016 · kickstarter.com · its alternatives →
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The only alarm clock you will ever need again
2016 · indiegogo.com · its alternatives →
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More than just an online alarm clock
2023 · alarmnclock.com · its alternatives →
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TabTimer▲195The world's tiniest timer. Built for your browser.
2024 · tabtimer.net · its alternatives →
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A clock app for my Apple ][ clone in 6502 assembly, using interrupts generated by an inductive proximity sensor and a physical pendulum clock. I wanted to polish the code a bit more before sharing (I especially dislike the self modifying code part), but the computer seems to have developed a hardware problem lately and it keeps crashing (bad RAM chip most likely), so I am sharing as is.
2024 · github.com · its alternatives →
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The device you have to tap to turn off your phone's alarm
2025 · lassoclock.com · its alternatives →
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Wake up with a jolt of energy ready to get shit done.
2017 · its alternatives →
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Hello all! Build clean, minimalistic analog clock webpage to Cloudflare Pages. This is for (maybe): - kids to learn - for second monitor - old tabled on shelf - .. Themes and screen wake lock buttons with auto-hide. Goal is to keep it as clean as possible. This possible makes no sense, but for a domain of $10/y this is cheap site for me to keep and see how it lives on.
Feb 2026 · clocksimulator.com · its alternatives →
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WakeMeHere▲164A location-based alarm clock for your iPhone
2018 · apps.apple.com · its alternatives →
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Stop oversleeping with a healthy habit. The alarm you can
2018 · pushupalarm.com · its alternatives →
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MoneyAlarm™ 2▲134Alarm that costs you if you don't wake up
2016 · apps.apple.com · its alternatives →
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Alarm▲71Alarm does one thing and one thing only — alarms.
2015 · alarm.hone.tools · its alternatives →
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The latest macOS offers the world’s best way to play — and add to — your collection of music, movies, TV shows, podcasts, audiobooks, and more.
2015 · itunes.apple.com · its alternatives →
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A simple countdown timer with an alarm for the browser.
2015 · e.ggtimer.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →