# GLECS V4 PURE LOGIC CONTROLLER
## Description
Welcome to your new project. Imagine what you can build here.
## Project Details
- **Owner:** abc124
- **Created:** 6/11/2026
- **Last Updated:** 6/12/2026
- **Visibility:** Public
- **Copper Weight:** 1oz (35µm) top and bottom
- **Fabrication Rules:** JLCPCB 2-layer design rules; 0.25mm signal traces, 1.0mm power traces, 0.2mm clearance, 0.3mm via drill, 0.15mm annular ring
- **Isolation Slot Constraint:** Full-height 1.5mm routed slot at user x=60mm with 0.5mm copper clearance each side; no copper/vias/traces may cross
- **PCB Thickness:** 1.6mm
- **Surface Finish:** ENIG
- **PCB Material:** FR4
## Key Components
### D_TVS — [P6KE15A](https://www.flux.ai/adrian95/p6ke15a~2b4.md)
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/1a/3b/f2/a9/96/72/49/ca/CD00000720.pdf/files/CD00000720.pdf/jcr:content/translations/en.CD00000720.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Diode
- Role Details: P6KE15A TVS across VCC_12V_INPUT and GND_STAR
- Role: Protection
- Manufacturer Name: STMicroelectronics
- Manufacturer Part Number: P6KE15A
**Pins:**
- A [pin 2]
- K [pin 1]
### D1 — [WP7113GD](https://www.flux.ai/adrian95/wp7113gd~ksp.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: Green LTE status indicator LED driven from LTE_STATUS_LED net through R8
- Package or Case Code: WP7113GD
- Role: Clamping
- Part Type: LED
- Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP7113GD.pdf
- Manufacturer Name: Kingbright
- Manufacturer Part Number: WP7113GD
**Pins:**
- ~ [pin 2]
- ~ [pin 1]
### D2 — [1N4007](https://www.flux.ai/jecstronic/1n4007~7vb.md)
- Datasheet URL: https://www.nteinc.com/specs/original/1N4001_07.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Relay coil flyback diode, cathode to VCC_12V_RELAY
- Part Type: Diode
- Manufacturer Part Number: 1N4007
- Manufacturer Name: NTE Electronics, Inc
**Pins:**
- anode [pin 2]
- cathode [pin 1]
### F1 — [0ZRM0125FF1A](https://www.flux.ai/adrian95/0zrm0125ff1a~u1f.md)
- Datasheet URL: https://belfuse.com/media/datasheets/products/circuit-protection/ds-cp-0zrm-series.pdf
- Manufacturer Part Number: 0ZRM0125FF1A
- Current Rating: 1.25A
- Role Details: Input resettable polyfuse; closest library match 1.25A hold for requested 1A position
- Role: Protection
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Fuse
- Manufacturer Name: Bel Fuse Inc.
**Pins:**
- P1 [pin 1]
- P2 [pin 2]
### J_4G — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)
- Role: Connector
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Role Details: 4-pin external 4G header: VCC_5V, GND_STAR, LTE_TX, LTE_RX
- Manufacturer Part Number: 67996-404HLF
- Manufacturer Name: Amphenol ICC
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
### J_DEBUG — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Role: Connector
- Role Details: UART debug header: 3V3, UART_DEBUG_TX, UART_DEBUG_RX, GND
- Manufacturer Name: Amphenol ICC
- Manufacturer Part Number: 67996-404HLF
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
### J_OLED — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)
- Role: OLED I2C header: GND, 5V, SCL, SDA
- Part Type: Connector
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 67996-404HLF
- Manufacturer Name: Amphenol ICC
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
### J_PWR — [DC-005](https://www.flux.ai/cherepanyadima/dc-005.md)
- Role: DC Input
- Part Type: Connectors
- Datasheet URL: https://www.snapeda.com/parts/DC-005/Best%20Inc./datasheet/
- Manufacturer Part Number: DC-005
- Role Details: 12V DC INPUT, 5.5mm/2.1mm center positive
- Manufacturer Name: Best Inc
**Pins:**
- ~ [pin 2]
- ~ [pin 4]
- ~ [pin 3]
### J_SWD — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Role Details: SWD header: 3V3, SWDIO, SWDCLK, GND
- Role: Connector
- Manufacturer Name: Amphenol ICC
- Manufacturer Part Number: 67996-404HLF
**Pins:**
- Pin_1 [pin 1]
- Pin_2 [pin 2]
- Pin_3 [pin 3]
- Pin_4 [pin 4]
### J1 — [236-103](https://www.flux.ai/cherepanyadima/236-103~a5.md)
- Role: 12V RELAY DRIVE terminal: pin1 VCC_12V_RELAY, pin2 GND_RELAY, pin3 NC
- Manufacturer Name: Wago
- Part Type: Connector
- Datasheet URL: https://wago.priintcloud.com/datasheets/236-103/en/
- Manufacturer Part Number: 236-103
**Pins:**
- ~ [pin L3]
- ~ [pin L2]
- ~ [pin L1]
### J2 — [236-103](https://www.flux.ai/cherepanyadima/236-103~a5.md)
- Manufacturer Part Number: 236-103
- Role: STARTER COIL COMMAND terminal: COM/NO/NC
- Datasheet URL: https://wago.priintcloud.com/datasheets/236-103/en/
- Manufacturer Name: Wago
- Part Type: Connector
**Pins:**
- ~ [pin L3]
- ~ [pin L2]
- ~ [pin L1]
### J3 — [236-103](https://www.flux.ai/cherepanyadima/236-103~a5.md)
- Manufacturer Name: Wago
- Part Type: Connector
- Manufacturer Part Number: 236-103
- Role: TEMP SENSOR DS18B20 terminal
- Datasheet URL: https://wago.priintcloud.com/datasheets/236-103/en/
**Pins:**
- ~ [pin L3]
- ~ [pin L2]
- ~ [pin L1]
### J4 — [236-103](https://www.flux.ai/cherepanyadima/236-103~a5.md)
- Manufacturer Name: Wago
- Part Type: Connector
- Role: HUMIDITY SENSOR DHT22 terminal
- Datasheet URL: https://wago.priintcloud.com/datasheets/236-103/en/
- Manufacturer Part Number: 236-103
**Pins:**
- ~ [pin L3]
- ~ [pin L2]
- ~ [pin L1]
### J5 — [236-103](https://www.flux.ai/cherepanyadima/236-103~a5.md)
- Datasheet URL: https://wago.priintcloud.com/datasheets/236-103/en/
- Manufacturer Part Number: 236-103
- Manufacturer Name: Wago
- Role: CURRENT SENSE IN/OUT terminal
- Part Type: Connector
**Pins:**
- ~ [pin L3]
- ~ [pin L2]
- ~ [pin L1]
### K1 — [SRD-12VDC-SL-C](https://www.flux.ai/jecstronic/srd-12vdc-sl-c~ofu.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Role: STARTER COIL COMMAND relay
- Part Type: Relay
- Manufacturer Name: Ningbo Songle Relay
- Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2304140030_Ningbo-Songle-Relay-SRD-12VDC-SL-C_C30431.pdf
- Manufacturer Part Number: SRD-12VDC-SL-C
**Pins:**
- COIL1 [pin COIL1]
- COIL2 [pin COIL2]
- COM [pin COM]
- NC [pin NC]
- NO [pin NO]
### Q1 — [BC547](https://www.flux.ai/adrian95/bc547~ejc.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/ON%20Semiconductor%20PDFs/BC546-50.pdf
- Manufacturer Part Number: BC547
- Role: Relay coil low-side driver
- Part Type: Transistor
- Manufacturer Name: onsemi
**Pins:**
- B [pin 2]
- C [pin 1]
- E [pin 3]
### TP_RST — [1040](https://www.flux.ai/cherepanyadima/1040~lm.md)
- Role: Connector
- Manufacturer Part Number: 1040
- Role Details: Test point on STM32 NRST net
- Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf
- Manufacturer Name: Keystone
- Part Type: Connectors
**Pins:**
- TP [pin TP]
### U_3V3 — [AMS1117-3.3RG](https://www.flux.ai/lcsc/ams1117-3p3rg~47um.md)
- LCSC Part Number: C2977152
- Symbol Style: parametric-v1
- Role: Power Conversion
- JLCPCB Part Class: Extended Part
- Package or Case Code: SOT-223-3_L6.4-W3.5-P2.30-LS7.0-BR
- Manufacturer Name: HGC(深圳汉芯)
- Manufacturer Part Number: AMS1117-3.3RG
- Datasheet URL: https://www.lcsc.com/datasheet/C2977152.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1RZUlNWQ1hYUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Part Type: Linear Voltage Regulators (LDO)
- Role Details: Generates VCC_3V3 for STM32F103C8T6 and 3.3V debug/SWD headers
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- ADJ/GND [pin 1]
- IN [pin 3]
- OUT [pin 2]
- OUT [pin 4]
### U_5V — [AMS1117-5.0](https://www.flux.ai/adrian95/ams1117-50~r3b.md)
- Datasheet URL: https://www.snapeda.com/parts/AMS1117-5.0/Advanced%20Monolithic%20Systems/datasheet/
- Role Details: AMS1117-5.0 generates VCC_5V from fused 12V input; verify thermal load before high current use
- Role: Power Conversion
- Package or Case Code: SOT-223
- Manufacturer Name: ams
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: AMS1117-5.0
**Pins:**
- GND [pin 1]
- VI [pin 3]
- VO [pin 2]
### U_ACS712 — [20A Current Sensor](https://www.flux.ai/corynrobinson/20a-current-sensor~s0.md)
- Package or Case Code: 8-SO
- Role: Current sensing
- Manufacturer Name: Broadcom
- Part Type: Sensor
- Purchase Url: https://octopart.com/achs-7122-000e-broadcom-89945175
- Manufacturer Part Number: ACHS-7122-000E
- Datasheet URL: https://octopart.com/datasheet/achs-7122-000e-broadcom-89945175
**Pins:**
- FILTER
- GND
- IP-
- IP-
- IP+
- IP+
- VDD
- VOUT
### U_DHT22 — [DHT22](https://www.flux.ai/vasy_skral/dht22~ju8.md)
- Part Type: Sensor
- Manufacturer Part Number: DHT22
- Symbol Style: Parametric
- License: https://creativecommons.org/licenses/by/4.0/
- Role: Humidity and temperature sensor
- Datasheet URL: https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf
- Package or Case Code: Module
- Manufacturer Name: Asair
**Pins:**
- DATA [pin 2]
- GND [pin 4]
- NULL [pin 3]
- VDD [pin 1]
### U_DS18B20 — [DS18B20+](https://www.flux.ai/adrian95/ds18b20plus~f15.md)
- Manufacturer Name: Analog Devices Inc./Maxim Integrated
- Role: Temperature sensor
- Manufacturer Part Number: DS18B20+
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Sensor
- Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/ds18b20.pdf
**Pins:**
- DQ [pin 2]
- GND [pin 1]
- VDD [pin 3]
### U_MCU — [STM32F103C8T6](https://www.flux.ai/vasy_skral/stm32f103c8t6~isy.md)
- Role Details: Main MCU; VDD/VDDA powered at 3.3V, not 5V
- Manufacturer Name: STMicroelectronics
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.st.com/resource/en/datasheet/stm32f103cb.pdf
- Role: Logic-level Shifting
- Part Type: Microcontroller
- Symbol Style: Parametric
- Manufacturer Part Number: STM32F103C8T6
**Pins:**
- BOOT0 [pin 44]
- NRST [pin 7]
- PA0 [pin 10]
- PA1 [pin 11]
- PA10 [pin 31]
- PA11 [pin 32]
- PA12 [pin 33]
- PA13 [pin 34]
- PA14 [pin 37]
- PA15 [pin 38]
- PA2 [pin 12]
- PA3 [pin 13]
- PA4 [pin 14]
- PA5 [pin 15]
- PA6 [pin 16]
- PA7 [pin 17]
- PA8 [pin 29]
- PA9 [pin 30]
- PB0 [pin 18]
- PB1 [pin 19]
- PB10 [pin 21]
- PB11 [pin 22]
- PB12 [pin 25]
- PB13 [pin 26]
- PB14 [pin 27]
- PB15 [pin 28]
- PB2 [pin 20]
- PB3 [pin 39]
- PB4 [pin 40]
- PB5 [pin 41]
- PB6 [pin 42]
- PB7 [pin 43]
- PB8 [pin 45]
- PB9 [pin 46]
- PC13 [pin 2]
- PC14 [pin 3]
- PC15 [pin 4]
- PD0 [pin 5]
- PD1 [pin 6]
- VBAT [pin 1]
- VDD [pin 24]
- VDD [pin 36]
- VDD [pin 48]
- VDDA [pin 9]
- VSS [pin 35]
- VSS [pin 47]
- VSS [pin 23]
- VSSA [pin 8]
### U_OPTO1 — [PC817](https://www.flux.ai/kicad-part-library/pc817~0c.md)
- Role: Relay control optocoupler
- Manufacturer Part Number: PC817
- Package or Case Code: DIP-4_W7.62mm
- Datasheet URL: http://www.soselectronic.cz/a_info/resource/d/pc817.pdf
**Pins:**
- ~ [pin 1]
- ~ [pin 3]
- ~ [pin 2]
- ~ [pin 4]
### Y1 — [CERAMIC Resonator 8.0MHz](https://www.flux.ai/jecstronic/ceramic-resonator-8p0mhz~vxa.md)
- Manufacturer Part Number: CSTLS8M00G53-B0
- Part Type: Resonator
- Frequency: 8MHz
- Datasheet URL: https://media.digikey.com/pdf/Catalog%20Drawings/Resonators/CSTLS_G_1.jpg
- Role: Signal Generation
- Manufacturer Name: Murata Electronics
- Role Details: 8MHz clock source between OSC_IN and OSC_OUT; center terminal to GND_STAR if present
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- ~ [pin 2]
- ~ [pin 3]
- ~ [pin 1]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/abc124/glecs-v4-pure-logic-controller~sj](https://www.flux.ai/abc124/glecs-v4-pure-logic-controller~sj).*
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*Generated from [https://www.flux.ai/abc124/glecs-v4-pure-logic-controller~sj](https://www.flux.ai/abc124/glecs-v4-pure-logic-controller~sj)*