# PLC 105MQ ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** nestortabares - **Created:** 9/16/2025 - **Last Updated:** 9/16/2025 - **Visibility:** Public ## Key Components ### RG1 — [L7805CV](https://www.flux.ai/adrian95/l7805cv~q03.md) - Part Type: Integrated Circuit - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: L7805CV - Datasheet URL: https://datasheet.octopart.com/L7805CV-STMicroelectronics-datasheet-5316848.pdf **Pins:** - GND [pin 2] - IN [pin 1] - OUT [pin 3] ### RG2 — [L7805CV](https://www.flux.ai/adrian95/l7805cv~q03.md) - Manufacturer Part Number: L7805CV - Datasheet URL: https://datasheet.octopart.com/L7805CV-STMicroelectronics-datasheet-5316848.pdf - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: STMicroelectronics **Pins:** - GND [pin 2] - IN [pin 1] - OUT [pin 3] ### RG3 — [LM7810ACT](https://www.flux.ai/adrian95/lm7810act~xc1.md) - Manufacturer Name: onsemi - Datasheet URL: https://octopart.com/datasheet/lm7810act-onsemi-84329734 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LM7810ACT - Part Type: Integrated Circuit **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] ### TRIMMER_2 — [Bourns 3296Y Vertical](https://www.flux.ai/jecstronic/bourns-3296y-vertical~sr3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Resistance: 1KΩ - Datasheet URL: https://www.bourns.com/docs/product-datasheets/3296.pdf - Manufacturer Name: Bourns Inc. - Part Type: Potentiometer - Manufacturer Part Number: 3296Y-1-103LF **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### TRIMMER_3 — [Bourns 3296Y Vertical](https://www.flux.ai/jecstronic/bourns-3296y-vertical~sr3.md) - Datasheet URL: https://www.bourns.com/docs/product-datasheets/3296.pdf - Resistance: 500Ω - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Potentiometer - Manufacturer Part Number: 3296Y-1-103LF - Manufacturer Name: Bourns Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### U1 — [AT89S52-24PU](https://www.flux.ai/adrian95/at89s52-24pu~m9o.md) - Manufacturer Name: Microchip Technology - Manufacturer Part Number: AT89S52-24PU - Part Type: Microcontroller - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/doc1919.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~EA~/VPP [pin 31] - ~PSEN [pin 29] - ALE/~PROG [pin 30] - GND [pin 20] - P0.0_(AD0) [pin 39] - P0.1_(AD1) [pin 38] - P0.2_(AD2) [pin 37] - P0.3_(AD3) [pin 36] - P0.4_(AD4) [pin 35] - P0.5_(AD5) [pin 34] - P0.6_(AD6) [pin 33] - P0.7_(AD7) [pin 32] - P1.0_(T2) [pin 1] - P1.1_(T2EX) [pin 2] - P1.2 [pin 3] - P1.3 [pin 4] - P1.4 [pin 5] - P1.5_(MOSI) [pin 6] - P1.6_(MISO) [pin 7] - P1.7_(SCK) [pin 8] - P2.0_(A8) [pin 21] - P2.1_(A9) [pin 22] - P2.2_(A10) [pin 23] - P2.3_(A11) [pin 24] - P2.4_(A12) [pin 25] - P2.5_(A13) [pin 26] - P2.6_(A14) [pin 27] - P2.7_(A15) [pin 28] - P3.0_(RXD) [pin 10] - P3.1_(TXD) [pin 11] - P3.2_(~INT0) [pin 12] - P3.3_(~INT1) [pin 13] - P3.4_(T0) [pin 14] - P3.5_(T1) [pin 15] - P3.6_(~WR) [pin 16] - P3.7_(~RD) [pin 17] - RST [pin 9] - VCC [pin 40] - XTAL1 [pin 19] - XTAL2 [pin 18] ### U2 0-5V — [DAC0832LCN](https://www.flux.ai/adrian95/dac0832lcn~sum.md) - Manufacturer Part Number: DAC0832LCN - Part Type: Integrated Circuit - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/697/DAC0830,32.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments **Pins:** - ~CS [pin 1] - ~WR1 [pin 2] - ~WR2 [pin 18] - ~XFER [pin 17] - DI0 [pin 7] - DI1 [pin 6] - DI2 [pin 5] - DI3 [pin 4] - DI4 [pin 16] - DI5 [pin 15] - DI6 [pin 14] - DI7 [pin 13] - GND [pin 10] - GND_2 [pin 3] - ILE(BYTE1/~BYTE2) [pin 19] - IOUT1 [pin 11] - IOUT2 [pin 12] - RFB [pin 9] - VCC [pin 20] - VREF [pin 8] ### U3 4-20mA — [DAC0832LCN](https://www.flux.ai/adrian95/dac0832lcn~sum.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/697/DAC0830,32.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Manufacturer Part Number: DAC0832LCN - Part Type: Integrated Circuit **Pins:** - ~CS [pin 1] - ~WR1 [pin 2] - ~WR2 [pin 18] - ~XFER [pin 17] - DI0 [pin 7] - DI1 [pin 6] - DI2 [pin 5] - DI3 [pin 4] - DI4 [pin 16] - DI5 [pin 15] - DI6 [pin 14] - DI7 [pin 13] - GND [pin 10] - GND_2 [pin 3] - ILE(BYTE1/~BYTE2) [pin 19] - IOUT1 [pin 11] - IOUT2 [pin 12] - RFB [pin 9] - VCC [pin 20] - VREF [pin 8] ### U4 — [LM324N](https://www.flux.ai/jecstronic/lm324n~h1.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm224.pdf - Manufacturer Name: Texas Instruments - Part Type: Operational Amplifier (OP-AMP) - Manufacturer Part Number: LM324N - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1IN- [pin 2] - 1IN+ [pin 3] - 1OUT [pin 1] - 2IN- [pin 6] - 2IN+ [pin 5] - 2OUT [pin 7] - 3IN- [pin 9] - 3IN+ [pin 10] - 3OUT [pin 8] - 4IN- [pin 13] - 4IN+ [pin 12] - 4OUT [pin 14] - VCC- [pin 11] - VCC+ [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/nestortabares/plc-105mq~uy](https://www.flux.ai/nestortabares/plc-105mq~uy).* --- *Generated from [https://www.flux.ai/nestortabares/plc-105mq~uy](https://www.flux.ai/nestortabares/plc-105mq~uy)*