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bd139 transistor projects ldr sensor (inventor KR) View | |
2 Awesome LDR Circuit Using BC547 u0026 BD139 Transistor. (Diy Electronic) View | |
How to make automatic street light | bt136 | bd139 (Er pankaj) View | |
Light Sensor circuit on Breadboard + Darkness Detector | LDR u0026 Transistor Projects (Elonics - Electronics Projects on Breadboard) View | |
BD 139 PROJECTS|AUTOMATIC LIGHT ON-OFF SWTICH USING TRANSISTOR|STREET LIGHT ON-OFF SWITCH|LDR (HS PERFECTION) View | |
1 Transistor 2 superb automatic light ON OFF use LDR,without relay (ABTabi) View | |
Simple Darkness Sensor Circuit (Creative creator) View | |
Top 6 Electronic Project Using 5mm RGB Led Z44N LDR Relay BC547 u0026 More Eletronic Components (Technical Creative Channel) View | |
Top 3 Easy Electronics Projects Using BD139 Transistor ! (Tech with Elators) View | |
How to make light Switch | Home Automation (Fair Electro) View |