the ladder · rung 10 of 10
Level 10 · Connected
Your projects, on the internet.
The ESP32 is an Arduino with Wi-Fi. Every project you built from Level 1 up can now talk to the internet — a plant monitor that texts you, an alarm that logs to a dashboard, a light you can flip from anywhere. The toolbox is complete.
New in the box
- ESP32 Wi-Fi board — A brain with Wi-Fi. Your projects can now text you.
with everything through L10, your box now holds 36 component types.
Projects at Level 10
No Level 10 projects yet. The new parts above are catalogued and reviewed; the projects that use them are still being drafted and breadboarded. In the meantime, everything from the earlier levels still works — pick one below.
Earlier projects you can still build
Every project at Levels 1–10 draws on the components you now own — earlier projects never stop being useful. With the full L10 box you can tackle any of these 81 projects:
🔦 First Light · 📡 Morse Code Messenger · 🎈 Twin Reds · 🌿 Two Greens · 🌙 Night Pin · 🚦 Tabletop Traffic Light · 🚲 Bike Torch · 🚦 Signal Pair · 🕯️ Dim Candle · 🔴 Three Sisters · 🥀 One for All · 📶 Step Up · 🪜 Longer Loop · 🔦 Bright and Dim · 🌈 Rainbow Loop · 🔆 Reserve Beacon · 🚫 Short Cut · 🔐 The Vault · 🚪 Do Not Disturb Sign · 🤝 Handhold Chain · 🚪 Two-Door Signal · 🚨 Signal Light · 🛟 Escape Hatch · 🧪 The Brightness Lab · 🔔 Door Buzzer · 📣 Pocket Beeper · 🎛️ Dial-a-Brightness · 📻 Dial-a-Buzz · 🔧 Continuity Tester · 🚨 Panic Doorbell · 🔈 Whisper Alarm · 🛎️ Two-Tone Doorbell · 🚨 Arm & Ring · 🔔 Twin Bells · 🖐️ Two-Hand Bell · 🔕 Silent Alarm · 🎮 Quiz Buzzer · 🔊 Loud/Polite Doorbell · 🎵 Duet Doorbell · 🔐 Vault Chime · 🤫 Hidden Mute · 🟢 Power Pilot · 🎚️ Shared Knob · 🌙 Automatic Night Light · 🌅 Sunrise Alarm · 🍪 Cookie Jar Alarm · 🪤 Trip Wire Alarm · 🌡️ Warm Hand Alarm · 📖 Reading Light · 🏝️ Vacation Nightlight · 📚 Study Lamp · 🌆 Curfew Beeper · 🤒 Fever Beeper · 🌇 Dusk Chorus · 🎺 Warm Hand Chorus · 🌅 Dawn Chorus · 🚨 Trip-Wire Chorus · 🌙 Night Doorbell · 🚨 Alley Lamp · 🙃 The Upside-Down Transistor · 💨 Puff Button · 🌀 First Spin · 🥤 Safety Blender · 💨 Handheld Fan · 🌞 Sunrise Fan · 🆘 Panic Fan · 🎉 Party Spinner · 🚗 Twin Wheels · 🎚️ Dial-a-Spin · 🕸️ Trip Wire Fan · 🌅 Sun Beacon · 🌙 Dusk Fan · ✋ Warm Hand Fan · ⚖️ The 3.3-Volt Rule · 🪶 The Switch That Uses No Current · 🌙 The Night Gate · 🔋 The Zener Battery Tester · 🔐 The Two-Key Lock · 🚨 The Alarm That Remembers · 🏃 The Four-Step Chaser · 💡 The Two-Switch Hall Light