# Automatic light switch by using LDR ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** habtsh - **Created:** 11/11/2023 - **Last Updated:** 11/18/2023 - **Visibility:** Public ## Key Components ### D1 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode~j2.md) - Current: 1A - Part Type: Diode - Manufacturer Part Number: S1J-E3_61T - Manufacturer Name: Vishay - Capacitance: 12pF - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Forward Voltage: 1.1V - Max Reverse Voltage: 600V - Package or Case Code: D_SMA **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### D2 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode~j2.md) - Package or Case Code: D_SMA - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Max Reverse Voltage: 600V - Forward Voltage: 1.1V - Capacitance: 12pF - Manufacturer Name: Vishay - Manufacturer Part Number: S1J-E3_61T - Part Type: Diode - Current: 1A **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### D3 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode~j2.md) - Current: 1A - Part Type: Diode - Manufacturer Part Number: S1J-E3_61T - Manufacturer Name: Vishay - Package or Case Code: D_SMA - Capacitance: 12pF - Forward Voltage: 1.1V - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf - Max Reverse Voltage: 600V **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### D4 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode~j2.md) - Part Type: Diode - Current: 1A - Capacitance: 12pF - Max Reverse Voltage: 600V - Forward Voltage: 1.1V - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Package or Case Code: D_SMA - Manufacturer Part Number: S1J-E3_61T - Manufacturer Name: Vishay **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### D5 — [1A Rectifier Diode](https://www.flux.ai/corynrobinson/1a-rectifier-diode~j2.md) - Capacitance: 12pF - Datasheet URL: https://datasheet.octopart.com/S1J-E3-61T-Vishay-datasheet-10950683.pdf - Purchase Url: https://octopart.com/s1j-e3%2F61t-vishay-39552151#CadModels - Forward Voltage: 1.1V - Max Reverse Voltage: 600V - Package or Case Code: D_SMA - Manufacturer Name: Vishay - Manufacturer Part Number: S1J-E3_61T - Part Type: Diode - Current: 1A **Pins:** - ANODE [pin 2] - CATHODE [pin 1] ### D6 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Forward Voltage: 1.70 - Breakdown Voltage: 0V - Emission Coefficient: 3.73 - Saturation Current: 93.2e-12A - Series Resistance: 0.42Ω **Pins:** - A [pin 2] - K [pin 1] ### J1 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik - Manufacturer Part Number: 691137710002 **Pins:** - P1 [pin 1] - P2 [pin 2] ### K1 — [SPDT Relay](https://www.flux.ai/corynrobinson/spdt-relay~lk.md) - Manufacturer Part Number: JS-5-K - Datasheet URL: https://datasheet.octopart.com/JS-5-K-Fujitsu-datasheet-1813.pdf - Manufacturer Name: Fujitsu - Coil Voltage: 5V - Purchase Url: https://octopart.com/js-5-k-fujitsu-798443#Specs - Contact Rating: 8A **Pins:** - 3 [pin 3] - 4 [pin 4] - COM [pin 5] - NC [pin 2] - NO [pin 1] ### Q1 — [BC548BU](https://www.flux.ai/jecstronic/bc548bu~vec.md) - Part Type: Transistor - Manufacturer Part Number: BC548BU - Datasheet URL: https://rocelec.widen.net/view/pdf/wnpm8l45kj/ONSM-S-A0003590719-1.pdf?t.download=true&u=5oefqw - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### Q2 — [BC548BU](https://www.flux.ai/jecstronic/bc548bu~vec.md) - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: BC548BU - Part Type: Transistor - Datasheet URL: https://rocelec.widen.net/view/pdf/wnpm8l45kj/ONSM-S-A0003590719-1.pdf?t.download=true&u=5oefqw **Pins:** - B [pin 2] - C [pin 1] - E [pin 3] ### U1 — [7805](https://www.flux.ai/jecstronic/7805~viu.md) - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Foshan-Blue-Rocket-Elec-7805_C305416.pdf - Manufacturer Part Number: 7818 - License: https://creativecommons.org/licenses/by/4.0/ - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Foshan Blue Rocket Elec **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/habtsh/automatic-light-switch-by-using-ldr~q2](https://www.flux.ai/habtsh/automatic-light-switch-by-using-ldr~q2).* --- *Generated from [https://www.flux.ai/habtsh/automatic-light-switch-by-using-ldr~q2](https://www.flux.ai/habtsh/automatic-light-switch-by-using-ldr~q2)*