24 F
Washington D.C.
Home Do It Yourself Laser Tripwire Alarm – Secure the Loose Parts to the Board with Hot Glue 1 Do It Yourself Laser Tripwire Alarm - Secure the Loose Parts to the Board with Hot Glue 1

Do It Yourself Laser Tripwire Alarm – Secure the Loose Parts to the Board with Hot Glue 1

Do It Yourself Laser Tripwire Alarm – Assemble the Circuit
Do It Yourself Laser Tripwire Alarm – Secure the Loose Parts to the Board with Hot Glue 2