https://tinyohms.com/projects/ New TinyOhms projects — real breadboard builds for teens learning electronics from zero. Every project ships with the math, a schematic, and a live Workbench layout. en Thu, 24 Sep 2026 01:10:38 GMT https://tinyohms.com/projects/twin-reds/ https://tinyohms.com/projects/twin-reds/ Thu, 24 Sep 2026 01:10:38 GMT Two red LEDs on one loop — same current, half the leftover push, and a lesson in how voltages stack when parts sit end to end. Level 1 · Light https://tinyohms.com/projects/dial-a-buzz/ https://tinyohms.com/projects/dial-a-buzz/ Thu, 24 Sep 2026 01:10:38 GMT Dial-a-Brightness for sound — one knob rides the buzzer between full alarm and library silence, with no button in the way. Level 2 · Sound https://tinyohms.com/projects/warm-hand-chorus/ https://tinyohms.com/projects/warm-hand-chorus/ Thu, 24 Sep 2026 01:10:38 GMT Fever Beeper with a red LED added in parallel with the buzzer — one warm-hand sensor drives a chime and a lamp at the same time. Level 3 · Sense https://tinyohms.com/projects/dial-a-spin/ https://tinyohms.com/projects/dial-a-spin/ Wed, 23 Sep 2026 07:05:00 GMT Dial-a-Brightness with a motor instead of an LED. Twist the knob and watch the fan speed slide from full spin to a slow crawl. Level 4 · Motion https://tinyohms.com/projects/trip-wire-fan/ https://tinyohms.com/projects/trip-wire-fan/ Wed, 23 Sep 2026 07:05:00 GMT Trip Wire Alarm's brain wearing a motor. The wire is intact — the fan is silent. Snap it — the fan spins as the alarm. Level 4 · Motion https://tinyohms.com/projects/panic-fan/ https://tinyohms.com/projects/panic-fan/ Mon, 21 Sep 2026 19:13:20 GMT Two buttons, either one fires the fan. Panic Doorbell wearing a motor — an OR gate that spins. Level 4 · Motion https://tinyohms.com/projects/party-spinner/ https://tinyohms.com/projects/party-spinner/ Mon, 21 Sep 2026 19:13:20 GMT One button, three mouths: a spinning motor, a red LED, and a buzzer all fire together. One transistor drives them all. Level 4 · Motion https://tinyohms.com/projects/twin-wheels/ https://tinyohms.com/projects/twin-wheels/ Mon, 21 Sep 2026 19:13:20 GMT Two motors from one button — a Level 9 robot drivetrain, five levels early. Level 4 · Motion https://tinyohms.com/projects/first-spin/ https://tinyohms.com/projects/first-spin/ Sat, 19 Sep 2026 19:07:19 GMT Your first motor. A switch, a coil, and a diode that catches the voltage kick when the current stops. Level 4 · Motion https://tinyohms.com/projects/handheld-fan/ https://tinyohms.com/projects/handheld-fan/ Sat, 19 Sep 2026 19:07:19 GMT Press the button, the fan spins. A tiny finger current commands a hundred-milliamp motor through a transistor. Level 4 · Motion https://tinyohms.com/projects/sunrise-fan/ https://tinyohms.com/projects/sunrise-fan/ Sat, 19 Sep 2026 19:07:19 GMT Sunrise Alarm with the LED swapped for a motor. The sun rises, the fan starts — an automatic wake-you-up desk breeze. Level 4 · Motion https://tinyohms.com/projects/signal-light/ https://tinyohms.com/projects/signal-light/ Thu, 17 Sep 2026 13:08:27 GMT A slide switch and a push button in parallel — the slide is the steady beacon, the button is the extra flash. Either lights the lamp. Level 1 · Light https://tinyohms.com/projects/two-hand-bell/ https://tinyohms.com/projects/two-hand-bell/ Thu, 17 Sep 2026 13:08:27 GMT Two push buttons in series feeding a buzzer and an LED — both hands must stay pressed for the alarm to sound. Level 2 · Sound https://tinyohms.com/projects/dusk-chorus/ https://tinyohms.com/projects/dusk-chorus/ Thu, 17 Sep 2026 13:08:27 GMT The Curfew Beeper with a red LED wired in parallel with the buzzer — one dusk sensor drives a chime and a lamp at the same time. Level 3 · Sense https://tinyohms.com/projects/escape-hatch/ https://tinyohms.com/projects/escape-hatch/ Tue, 15 Sep 2026 01:09:35 GMT The Vault with a big red emergency button wired around both locks — turn BOTH keys, or hit the button, and the light comes on. Level 1 · Light https://tinyohms.com/projects/silent-alarm/ https://tinyohms.com/projects/silent-alarm/ Sun, 13 Sep 2026 19:12:15 GMT Three panic buttons wired in parallel, all inside an armed lane — any one of them fires the buzzer, and a small LED tells you the alarm is watching. Level 2 · Sound https://tinyohms.com/projects/quiz-buzzer/ https://tinyohms.com/projects/quiz-buzzer/ Sun, 13 Sep 2026 19:12:15 GMT Two teams, two big buttons: yours lights your LED and rings your buzzer, theirs does the same on their side. Two independent doorbells sharing one battery. Level 2 · Sound https://tinyohms.com/projects/arm-and-ring/ https://tinyohms.com/projects/arm-and-ring/ Sat, 12 Sep 2026 19:14:17 GMT A doorbell that ignores you unless a hidden slide switch is armed first — series-AND with sound, plus an 'armed' LED that shows the state. Level 2 · Sound https://tinyohms.com/projects/twin-bells/ https://tinyohms.com/projects/twin-bells/ Sat, 12 Sep 2026 19:14:17 GMT One doorbell button rings two buzzers in parallel — one in your room, one in the kitchen — with a slide switch that mutes just the bedroom bell at night. Level 2 · Sound https://tinyohms.com/projects/two-door-signal/ https://tinyohms.com/projects/two-door-signal/ Fri, 11 Sep 2026 19:02:07 GMT Two slide switches in parallel, one shared LED — either switch alone lights the lamp. The OR gate, at Level 1. Level 1 · Light https://tinyohms.com/projects/study-lamp/ https://tinyohms.com/projects/study-lamp/ Fri, 11 Sep 2026 19:02:07 GMT The Automatic Night Light with a force-on override — flip the slide switch and the lamp stays lit even in daylight, ignoring the sensor. Level 3 · Sense https://tinyohms.com/projects/handhold-chain/ https://tinyohms.com/projects/handhold-chain/ Thu, 10 Sep 2026 01:01:31 GMT Three switches in a line — the LED only lights when all three are closed at once. AND, one step past The Vault. Level 1 · Light https://tinyohms.com/projects/vacation-nightlight/ https://tinyohms.com/projects/vacation-nightlight/ Thu, 10 Sep 2026 01:01:31 GMT The Automatic Night Light with a manual override — flip the slide switch off and the lamp stays dark even in a pitch-black room. Level 3 · Sense https://tinyohms.com/projects/do-not-disturb/ https://tinyohms.com/projects/do-not-disturb/ Wed, 09 Sep 2026 01:14:07 GMT A green "chill" LED plus a switched red "leave me alone" LED — two lanes on one battery, and a switch that only touches one of them. Level 1 · Light https://tinyohms.com/projects/reading-light/ https://tinyohms.com/projects/reading-light/ Wed, 09 Sep 2026 01:14:07 GMT The Automatic Night Light with a knob on top — turn it to dial in how dark the room has to get before the lamp fires. Your first tunable threshold. Level 3 · Sense https://tinyohms.com/projects/two-tone-doorbell/ https://tinyohms.com/projects/two-tone-doorbell/ Sat, 05 Sep 2026 19:12:25 GMT Two call buttons, one doorbell: LOUD rings the buzzer and lights the porch LED; QUIET starves the buzzer and shows why it can't just be dimmed. Level 2 · Sound https://tinyohms.com/projects/fever-beeper/ https://tinyohms.com/projects/fever-beeper/ Sat, 05 Sep 2026 19:12:25 GMT The Warm Hand Alarm's brain wired to a buzzer instead of a lamp — silent in a normal room, beeping the second a warm palm covers the sensor. Level 3 · Sense https://tinyohms.com/projects/whisper-alarm/ https://tinyohms.com/projects/whisper-alarm/ Sat, 05 Sep 2026 07:14:47 GMT A doorbell with a volume knob — the pot lives in the buzzer lane, so twisting it changes the beep without touching the light. Level 2 · Sound https://tinyohms.com/projects/curfew-beeper/ https://tinyohms.com/projects/curfew-beeper/ Sat, 05 Sep 2026 07:14:47 GMT The Automatic Night Light's brain with a buzzer where the LED used to sit — beeps the moment the room goes dark, so you never miss sunset. Level 3 · Sense https://tinyohms.com/projects/panic-doorbell/ https://tinyohms.com/projects/panic-doorbell/ Sat, 05 Sep 2026 01:11:04 GMT Two buttons wired so either one fires the same buzzer and light — your first OR gate. Level 2 · Sound https://tinyohms.com/projects/warm-hand-alarm/ https://tinyohms.com/projects/warm-hand-alarm/ Sat, 05 Sep 2026 01:11:04 GMT Cup your hand over the sensor and the LED lights up — a thermometer that turns into a switch. Level 3 · Sense https://tinyohms.com/projects/continuity-tester/ https://tinyohms.com/projects/continuity-tester/ Fri, 04 Sep 2026 13:09:57 GMT Your first real tool — two probe wires that beep and light up whenever the tips touch anything that conducts. Level 2 · Sound https://tinyohms.com/projects/trip-wire-alarm/ https://tinyohms.com/projects/trip-wire-alarm/ Fri, 04 Sep 2026 13:09:57 GMT A thin wire across a doorway holds the alarm silent. Break the wire and the buzzer screams — until you connect it back. Level 3 · Sense https://tinyohms.com/projects/dial-a-brightness/ https://tinyohms.com/projects/dial-a-brightness/ Fri, 04 Sep 2026 04:08:42 GMT Twist a knob and watch the LED fade up and down — your first "how much" input. Level 2 · Sound https://tinyohms.com/projects/cookie-jar-alarm/ https://tinyohms.com/projects/cookie-jar-alarm/ Fri, 04 Sep 2026 04:08:42 GMT The Sunrise Alarm's brain wired to a buzzer instead of a lamp — quiet in the dark jar, screaming when the lid comes off. Level 3 · Sense https://tinyohms.com/projects/the-vault/ https://tinyohms.com/projects/the-vault/ Thu, 03 Sep 2026 03:05:25 GMT Two buttons, one loop — the LED only lights when BOTH are pressed at the same time. Level 1 · Light https://tinyohms.com/projects/sunrise-alarm/ https://tinyohms.com/projects/sunrise-alarm/ Thu, 03 Sep 2026 03:05:25 GMT The night light — flipped. Swap two parts and the LED wakes up with the sun instead. Level 3 · Sense https://tinyohms.com/projects/first-light/ https://tinyohms.com/projects/first-light/ Wed, 02 Sep 2026 08:03:11 GMT Build a real flashlight circuit and learn why every circuit is a loop. Level 1 · Light https://tinyohms.com/projects/traffic-light/ https://tinyohms.com/projects/traffic-light/ Wed, 02 Sep 2026 08:03:11 GMT Three LEDs on three parallel lanes, all lit by one switch — build a tabletop traffic light and discover parallel circuits. Level 1 · Light https://tinyohms.com/projects/morse-code-messenger/ https://tinyohms.com/projects/morse-code-messenger/ Wed, 02 Sep 2026 08:03:11 GMT A push button, an LED, and a secret code — send real messages with light. Level 1 · Light https://tinyohms.com/projects/brightness-lab/ https://tinyohms.com/projects/brightness-lab/ Wed, 02 Sep 2026 08:03:11 GMT Run a real experiment: predict, measure with your eyes, and prove Ohm's law. Level 1 · Light https://tinyohms.com/projects/doorbell/ https://tinyohms.com/projects/doorbell/ Wed, 02 Sep 2026 08:03:11 GMT Your first sound circuit — a real doorbell for your bedroom door. Level 2 · Sound https://tinyohms.com/projects/automatic-night-light/ https://tinyohms.com/projects/automatic-night-light/ Wed, 02 Sep 2026 08:03:11 GMT A light that switches itself on when the room gets dark — no hands, no code. Level 3 · Sense