# Foolish Brown Tractor Beam

## Description

Welcome to your new project\. Imagine what you can build here\.

## Project Details

- **Owner:** stsa
- **Created:** 6/13/2026
- **Last Updated:** 6/13/2026
- **Visibility:** Public

## Key Components

### D1 — [SMF05C](https://flux.ai/adrian95/smf05c~7kr.md)

- LCSC Part Number: C14032
- Role Details: SMF05C ESD protector placed by SIM connector for VSIM, SIM\_RST, SIM\_CLK, SIM\_DATA, and GND\.
- Part Type: Diode
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: SMF05C
- Manufacturer Name: SEMTECH
- Datasheet URL: https://semtech\.my\.salesforce\.com/sfc/p/E0000000JelG/a/2R000000HTur/oh5IBNMxy439tUCWCfUixX8WnZBmvf43yHAHJowoBrc

**Pins:**
- GND [pin 2]
- I/O1 [pin 1]
- I/O2 [pin 6]
- I/O3 [pin 5]
- I/O4 [pin 3]
- I/O5 [pin 4]

### D2 — [KT\-0603R](https://flux.ai/adrian95/kt-0603r~7c.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Hubei KENTO Elec
- Manufacturer Part Number: KT\-0603R
- Part Type: LED
- Datasheet URL: https://www\.lcsc\.com/datasheet/lcsc\_datasheet\_1810231112\_Hubei\-KENTO\-Elec\-KT\-0603R\_C2286\.pdf
- LCSC Part Number: C2286

**Pins:**
- A [pin 2]
- K [pin 1]

### J1 — [BM23FR0\.6\-24DP\-0\.35V\(51\)](https://flux.ai/lcsc/bm23fr0p6-24dp-0p35v51~76z5.md)

- Package or Case Code: CONN\-SMD\_BM23FR0\.6\-24DP\-0\.35V
- Manufacturer Part Number: BM24\-20DP/2\-0\.35V\(51\) requested; footprint substitute BM23FR0\.6\-24DP\-0\.35V\(51\)
- LCSC Part Number: Requested BM24\-20DP/2\-0\.35V\(51\); Flux footprint substitute uses C424545/BM23FR0\.6\-24DP\-0\.35V\(51\)
- JLCPCB Part Class: Extended Part
- Connector Positions: 20 required pinout; substitute has 24 physical terminals
- Part Type: Mezzanine Connectors \(Board to Board\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_HRS\-Hirose\-BM23FR0\-6\-24DP\-0\-35V\-51\_C424545\.pdf
- Manufacturer Name: HRS\(广濑\)
- Role Details: 20\-pin host board\-to\-board connector pinout per user request; verify exact BM24\-20 footprint/pin count before JLCPCB production because current library footprint is a BM23 24\-pin substitute\.
- Allow Substitutes: No
- Product Info Url: https://lcsc\.com/product\-detail/Mezzanine\-Connectors\-Board\-to\-Board\_HRS\-Hirose\_BM23FR0\-6\-24DP\-0\-35V\-51\_HRS\-Hirose\-HRS\-BM23FR0\-6\-24DP\-0\-35V\-51\_C424545\.html

**Pins:**
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 17 [pin 17]
- 18 [pin 18]
- 19 [pin 19]
- 2 [pin 2]
- 20 [pin 20]
- 21 [pin 21]
- 22 [pin 22]
- 23 [pin 23]
- 24 [pin 24]
- 25 [pin 25]
- 26 [pin 26]
- 27 [pin 27]
- 28 [pin 28]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]

### J2 — [SIM8051\-6\-0\-14\-00\-A](https://flux.ai/adrian95/sim8051-6-0-14-00-a~2xb.md)

- Allow Substitutes: No
- Manufacturer Name: GCT
- Role Details: Nano SIM connector\. VPP/C6 is intentionally unused for modern SIM cards and must remain NC; VSIM, RST, CLK, DATA, and GND are used\.
- LCSC Part Number: C3186850 requested; Flux library substitute SIM8051\-6\-0\-14\-00\-A
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Manufacturer Part Number: SIM8051\-6\-0\-14\-00\-A
- Datasheet URL: https://media\.digikey\.com/pdf/Data%20Sheets/GCT%20PDFs/SIM8051\_Spec\.pdf

**Pins:**
- CLK [pin C3]
- GND [pin C5]
- I/O [pin C7]
- RST [pin C2]
- VCC [pin C1]
- VPP [pin C6]

### J3 — [U\.FL\-R\-SMT\(01\)](https://flux.ai/adrian95/upfl-r-smt01~ap.md)

- Role Details: U\.FL/IPEX antenna connector; verify JLCPCB selected SKU and orientation before production\.
- Part Type: Connector
- Datasheet URL: https://mm\.digikey\.com/Volume0/opasdata/d220001/medias/docus/2607/UFL%20Series\.pdf
- Manufacturer Name: Hirose Electric Co Ltd
- Manufacturer Part Number: U\.FL\-R\-SMT\(01\)
- LCSC Part Number: C319325 requested; Flux library substitute U\.FL\-R\-SMT\(01\)
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- GND [pin 1]
- GND [pin 2]
- SIG [pin 3]

### Q1 — [2N7002](https://flux.ai/lcsc/2n7002~13ip.md)

- Continuous Drain Current: 200mA at 25°C
- Part Type: MOSFETs
- Drain to Source Voltage: 60V
- Product Info Url: https://lcsc\.com/product\-detail/MOSFET\_MDD\-Microdiode\-Electronics\-2N7002\_C472906\.html
- Transistor Type: N\-channel MOSFET
- Manufacturer Part Number: 2N7002
- Manufacturer Name: MDD\(辰达半导体\)
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOT\-23\-3\_L2\.9\-W1\.5\-P1\.90\-LS2\.6\-BR
- LCSC Part Number: C8545 requested; Flux library substitute C472906 2N7002
- Role Details: N\-MOS pull\-down for SIM800L PWRKEY; 2N7002 functional substitute, verify JLCPCB selected SKU/rotation\.
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2407101108\_MDD\-Microdiode\-Semiconductor\-2N7002\_C472906\.pdf

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### U1 — [SIM800L](https://flux.ai/lcsc/sim800l~c17y.md)

- Role Details: SIM800L GSM modem\. USB VBUS is intentionally unused because this daughterboard uses UART host control only; UART, SIM, VBAT, PWRKEY, RESET, NETLIGHT, and ANT are used\.
- Package or Case Code: GSMM\-SMD\_SIM800L
- Part Type: 2G/3G/4G/5G Modules
- Manufacturer Name: SIMCOM\(芯讯通无线科技\)
- LCSC Part Number: C124276
- Symbol Style: parametric\-v1
- Manufacturer Part Number: SIM800L
- Datasheet URL: https://www\.lcsc\.com/datasheet/C124276\.pdf?spm=wm\.sxq\.inf\.ggs\_\_\_wm\.fly\.bg\.0\.xh&lcsc\_vid=QlUIU1dSRgJcA1FQQVUMBgdeElQIVldRQ1daVQdeQAcxVlNeR1JcX1RTR1FcVDsOAxUeFF5JWBYZEEoKFBINSQcJGk4%3D
- JLCPCB Part Class: Extended Part

**Pins:**
- ADC [pin 50]
- ANT [pin 40]
- BPI\_BUS1 [pin 5]
- COL0 [pin 20]
- COL1 [pin 25]
- COL2 [pin 22]
- COL3 [pin 21]
- COL4 [pin 24]
- FM\_ANT\_N [pin 57]
- FM\_ANT\_P [pin 17]
- GND [pin 38]
- GND [pin 8]
- GND [pin 58]
- GND [pin 85]
- GND [pin 87]
- GND [pin 6]
- GND [pin 88]
- GND [pin 84]
- GND [pin 86]
- GND [pin 83]
- GND [pin 2]
- GND [pin 78]
- GND [pin 67]
- GND [pin 71]
- GND [pin 76]
- GND [pin 44]
- GND [pin 45]
- GND [pin 72]
- GND [pin 37]
- GND [pin 41]
- GND [pin 43]
- GND [pin 39]
- GND [pin 79]
- GND [pin 80]
- GND [pin 73]
- GND [pin 82]
- GND [pin 77]
- GND [pin 81]
- GND [pin 35]
- GPIO1 [pin 3]
- GPIO2 [pin 27]
- GPIO3 [pin 28]
- ISINK0 [pin 47]
- ISINK1 [pin 46]
- MIC1N [pin 12]
- MIC1P [pin 52]
- MIC2N [pin 10]
- MIC2P [pin 9]
- NC [pin 36]
- NETLIGHT [pin 64]
- PCMCLK [pin 29]
- PCMIN [pin 66]
- PCMOUT [pin 30]
- PCMSYNC [pin 65]
- PWM [pin 26]
- PWRKEY [pin 48]
- RESET [pin 49]
- ROW0 [pin 62]
- ROW1 [pin 60]
- ROW2 [pin 61]
- ROW3 [pin 23]
- ROW4 [pin 63]
- SCL [pin 74]
- SDA [pin 75]
- SIM\_CLK [pin 55]
- SIM\_DATA [pin 14]
- SIM\_RST [pin 15]
- SIMPRE [pin 54]
- SPK1N [pin 13]
- SPK1P [pin 53]
- SPK2N [pin 11]
- SPK2P8惟 [pin 51]
- STATUS [pin 4]
- UART\_CTS [pin 34]
- UART\_DCD [pin 70]
- UART\_DTR [pin 69]
- UART\_RI [pin 68]
- UART\_RTS [pin 33]
- UART\_RXD [pin 31]
- UART\_TXD [pin 32]
- USB\_DM [pin 19]
- USB\_DP [pin 59]
- VBAT [pin 1]
- VBAT [pin 42]
- VBUS [pin 7]
- VEXT [pin 18]
- VRTC [pin 56]
- VSIM [pin 16]

### U2 — [TXB0102DCURG4](https://flux.ai/lcsc/txb0102dcurg4~m59p.md)

- Manufacturer Name: TI\(德州仪器\)
- Part Type: Translators / Level Shifters
- LCSC Part Number: C82717 requested; Flux substitute TXB0102DCURG4/C2677414
- Allow Substitutes: No
- Manufacturer Part Number: TXB0102DCUR requested; TXB0102DCURG4 substitute
- JLCPCB Part Class: Extended Part
- Package or Case Code: VSSOP\-8\_L2\.3\-W2\.0\-P0\.50\-LS3\.1\-BR
- Role Details: 2\-bit UART level shifter; electrical function equivalent family, but confirm package/rotation and JLCPCB availability for requested C82717 before production\.

**Pins:**
- A1 [pin 5]
- A2 [pin 4]
- B1 [pin 8]
- B2 [pin 1]
- GND [pin 2]
- OE [pin 6]
- VCCA [pin 3]
- VCCB [pin 7]

### U3 — [0603 ±1% 10K](https://flux.ai/lcsc/0603-1percent-10k~u7dn.md)

- Manufacturer Part Number: 0603 ±1% 10K
- Resistance: 10kΩ
- JLCPCB Part Class: Extended Part
- Package or Case Code: R0603
- Manufacturer Name: VO\(翔胜\)
- Part Type: Chip Resistor \- Surface Mount
- LCSC Part Number: C21190 requested; substitute used
- Datasheet URL: https://www\.lcsc\.com/category/1199\.html?scene=FULL\_MATCH&globalKeyword=0603%2520%25C2%25B11%2525%252010K%25CE%25A9&s\_z=s\_q\_t\_0603%2520%25C2%25B11%2525%252010K%25CE%25A9&spm=wm\.ssy\.tc\.0\.tz&lcsc\_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZVF1RTlZdUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### U4 — [0603 ±1% 10K](https://flux.ai/lcsc/0603-1percent-10k~u7dn.md)

- Manufacturer Part Number: 0603 ±1% 10K
- JLCPCB Part Class: Extended Part
- Package or Case Code: R0603
- Manufacturer Name: VO\(翔胜\)
- Part Type: Chip Resistor \- Surface Mount
- Resistance: 10kΩ
- LCSC Part Number: C21190 requested; substitute used
- Datasheet URL: https://www\.lcsc\.com/category/1199\.html?scene=FULL\_MATCH&globalKeyword=0603%2520%25C2%25B11%2525%252010K%25CE%25A9&s\_z=s\_q\_t\_0603%2520%25C2%25B11%2525%252010K%25CE%25A9&spm=wm\.ssy\.tc\.0\.tz&lcsc\_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZVF1RTlZdUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### U5 — [0603 ±1% 10K](https://flux.ai/lcsc/0603-1percent-10k~u7dn.md)

- Manufacturer Part Number: 0603 ±1% 10K
- Resistance: 10kΩ
- JLCPCB Part Class: Extended Part
- Package or Case Code: R0603
- Manufacturer Name: VO\(翔胜\)
- Part Type: Chip Resistor \- Surface Mount
- LCSC Part Number: C21190 requested; substitute used
- Datasheet URL: https://www\.lcsc\.com/category/1199\.html?scene=FULL\_MATCH&globalKeyword=0603%2520%25C2%25B11%2525%252010K%25CE%25A9&s\_z=s\_q\_t\_0603%2520%25C2%25B11%2525%252010K%25CE%25A9&spm=wm\.ssy\.tc\.0\.tz&lcsc\_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZVF1RTlZdUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/stsa/foolish\-brown\-tractor\-beam\~wk](https://flux.ai/stsa/foolish-brown-tractor-beam~wk).*

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*Generated from [https://flux\.ai/stsa/foolish\-brown\-tractor\-beam\~wk](https://flux.ai/stsa/foolish-brown-tractor-beam~wk)*