Instructions | Retrofit Doorbell(Failed) | Hackaday.io

1
Step 1
1. Open push button back
2. Remove circuit board
3. Remove battery retention bracket
4. Using soldering iron and solder sucker, remove button
5. Bend normally open leads on reed switch to match the holes for the button
6. Insert switch and solder in
7. Re-attach battery bracket, add some hot glue to the back of the screws to help them stay in place if required
8. Insert battery and test with magnet
9. Insert circuit board into existing chime, hot glue or otherwise attach it
10. Attach magnet to a part of the chime that passes the reed switch when used, hot glue or otherwise
11. Test!

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