# Gold detector ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** pcn - **Created:** 6/10/2024 - **Last Updated:** 6/11/2024 - **Visibility:** Public ## Key Components ### battery+ — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### CA3240a — [CA3240EZ](https://www.flux.ai/adrian95/ca3240ez.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: CA3240EZ - Manufacturer Name: Renesas Electronics America Inc - Part Type: Integrated Circuit - Datasheet URL: https://www.mouser.com/datasheet/2/698/REN_ca3240_a_DST_19980831-1997291.pdf **Pins:** - INV.INPUT_(A) [pin 2] - INV.INPUT_(B) [pin 6] - NON-INV.INPUT_(A) [pin 3] - NON-INV.INPUT_(B) [pin 5] - OUTPUT [pin 7] - OUTPUT_(A) [pin 1] - V- [pin 4] - V+ [pin 8] ### CA3240b — [CA3240EZ](https://www.flux.ai/adrian95/ca3240ez.md) - Manufacturer Part Number: CA3240EZ - Manufacturer Name: Renesas Electronics America Inc - Datasheet URL: https://www.mouser.com/datasheet/2/698/REN_ca3240_a_DST_19980831-1997291.pdf - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - INV.INPUT_(A) [pin 2] - INV.INPUT_(B) [pin 6] - NON-INV.INPUT_(A) [pin 3] - NON-INV.INPUT_(B) [pin 5] - OUTPUT [pin 7] - OUTPUT_(A) [pin 1] - V- [pin 4] - V+ [pin 8] ### D1 — [1N4001-T](https://www.flux.ai/jecstronic/1n4001-t.md) - Part Type: Diode - Datasheet URL: https://www.mouser.com/datasheet/2/308/1N4001_D-1801424.pdf - Manufacturer Name: Diodes Incorporated - Manufacturer Part Number: 1N4001-T - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### deaper audio on off switch — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### F COIL — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### FSD meter+ — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [WP7113SRD/D](https://www.flux.ai/jecstronic/wp7113srdd.md) - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP7113SRD-D.pdf - Forward Voltage: 1.85V - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Part Number: WP7113SRD/D - Manufacturer Name: Kingbright **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [WP7113SRD/D](https://www.flux.ai/jecstronic/wp7113srdd.md) - Forward Voltage: 1.85V - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP7113SRD-D.pdf - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: WP7113SRD/D - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### lm 393 — [LM392N/NOPB](https://www.flux.ai/jecstronic/lm392nnopb.md) - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm392-n.pdf - Manufacturer Part Number: LM392N/NOPB - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 4] - INVERTING INPUT A [pin 2] - INVERTING INPUT B [pin 6] - NON-INVERTING INPUT A [pin 3] - NON-INVERTING INPUT B [pin 5] - OUTPUT A (Comparator) [pin 1] - OUTPUT B (OP-AMP) [pin 7] - V+ [pin 8] ### meter response — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### ne555a — [NE555P](https://www.flux.ai/vasyl/ne555p.md) - Manufacturer Part Number: NE555P - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fse555 - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] ### ne555b — [NE555P](https://www.flux.ai/vasyl/ne555p.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fse555 - Manufacturer Part Number: NE555P **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] ### ON OFF — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### passive active switch — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### Q1 — [BC108B PBFREE](https://www.flux.ai/jecstronic/bc108b-pbfree.md) - Part Type: Transistor - Manufacturer Part Number: BC108B PBFREE - Manufacturer Name: Central Semiconductor Corp - Datasheet URL: https://my.centralsemi.com/datasheets/BC107.PDF - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### Q2 — [BC108B PBFREE](https://www.flux.ai/jecstronic/bc108b-pbfree.md) - Part Type: Transistor - Manufacturer Part Number: BC108B PBFREE - Manufacturer Name: Central Semiconductor Corp - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://my.centralsemi.com/datasheets/BC107.PDF **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### Q3 — [BC108B PBFREE](https://www.flux.ai/jecstronic/bc108b-pbfree.md) - Manufacturer Name: Central Semiconductor Corp - Datasheet URL: https://my.centralsemi.com/datasheets/BC107.PDF - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Part Number: BC108B PBFREE **Pins:** - B [pin 2] - C [pin 3] - E [pin 1] ### TX coil — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### TXswitch — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### VR1 — [PDB181-K420K-103B](https://www.flux.ai/adrian95/pdb181-k420k-103b.md) - Datasheet URL: https://www.bourns.com/docs/Product-Datasheets/PDB18.pdf - Part Type: Potentiometer - Manufacturer Name: Bourns Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: PDB181-K420K-103B **Pins:** - CCW [pin 1] - CW [pin 3] - WIPER [pin 2] ### VR2 — [PDB181-K420K-103B](https://www.flux.ai/adrian95/pdb181-k420k-103b.md) - Manufacturer Part Number: PDB181-K420K-103B - Part Type: Potentiometer - Manufacturer Name: Bourns Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.bourns.com/docs/Product-Datasheets/PDB18.pdf **Pins:** - CCW [pin 1] - CW [pin 3] - WIPER [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pcn/gold-detector](https://www.flux.ai/pcn/gold-detector).* --- *Generated from [https://www.flux.ai/pcn/gold-detector](https://www.flux.ai/pcn/gold-detector)*