Sewing a LilyPad Button Circuit
Add a switch you can sew: a LilyPad button placed in the circuit lights your LED only while it's pressed. Same e-textile rules as before — + to + and - to -, no crossing lines — but now the button sits in the + line, so current flows only when you press it. A press-to-light patch for a bag, badge or costume.
Istruzioni
Plan the circuit with a button
Plan the circuit with a button
Arrange a LilyPad LED, a LilyPad button and a coin-cell battery holder on felt. The button goes in the + line, between the battery's + tab and the LED's + tab, so pressing it completes the circuit.
Materiali per questo passaggio:
LilyPad LED - 5 pcs1 confezione
LilyPad Button Board1 pezzo
LilyPad Coin Cell Battery Holder - 20mm1 pezzo
Wool Felt Sheet1 foglioSew the positive line through the button
Sew the positive line through the button
With conductive thread, stitch from the battery + tab to one tab of the button, then knot and cut; start fresh and stitch from the button's other tab to the LED + tab. Loop 3–4 times through each hole for firm contact and trim the tails short.
Materiali per questo passaggio:
Conductive Thread - 60g (Stainless Steel)1 rocchetto
Hand Sewing Needles (Assorted, 30-Pack)1 confezioneSew the negative line
Sew the negative line
With a fresh thread, stitch the LED - tab straight to the battery - tab. Keep this line well away from the + line and the button — anywhere the two conductive paths touch, the circuit shorts.
Press to test
Press to test
Slot in a CR2032 (+ side up). Press the button — the LED lights; release — it goes out. If it stays dark, check that both button tabs are stitched into the line and that no threads are touching across the two sides.
Materiali per questo passaggio:
CR2032 Coin Cell Battery1 pezzoSecure and use
Secure and use
Seal each knot with a dab of clear nail polish or fabric glue so it can't loosen. Sew the felt onto a bag, badge or costume — you've made a press-to-light patch.
Materiali
7- 1 confezione€4.00
- 1 pezzo€2.00
- 1 foglioSegnaposto
- 1 rocchetto€34.00
- 1 confezioneSegnaposto
- 1 pezzoSegnaposto
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