# DIY Grill Controller AI
## Description
Welcome to your new project. Imagine what you can build here.
## Project Details
- **Owner:** arakan
- **Created:** 6/14/2026
- **Last Updated:** 6/14/2026
- **Visibility:** Public
## Key Components
### D4 — [1N5819](https://www.flux.ai/lcsc/1n5819~gdlt.md)
- Manufacturer Part Number: 1N5819
- Package or Case Code: DO-41_BD2.4-L4.7-P8.70-D0.9-RD
- JLCPCB Part Class: Extended Part
- Manufacturer Name: HL(豪林)
- Part Type: Schottky Barrier Diodes (SBD)
- Role Details: 1N5819 Schottky flyback diode across fan terminals: cathode=FAN_12V/BAT_12V, anode=FAN_GND/MOSFET drain.
- Role: Flyback / Freewheeling
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- LCSC Part Number: C237257
- Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_HL-1N5819_C237257.html
**Pins:**
- A [pin 2]
- K [pin 1]
### F1 — [Fuse SGT520-8A-L](https://www.flux.ai/lcsc/fuse-sgt520-8a-l~va4g.md)
- Manufacturer Part Number: Fuse SGT520-8A-L
- Role Details: Fused BAT_12V distribution after battery positive input
- LCSC Part Number: C2997198
- Part Type: Industrial Fuses
- Package or Case Code: FUSE-TH_BD5.2-L20.0-P24.00-D0.8
- Role: Input overcurrent protection
- Manufacturer Name: SET(赛尔特)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J1 — [KF301-5.0-2P](https://www.flux.ai/lcsc/kf301-5p0-2p~m56y.md)
- Package or Case Code: CONN-TH_P5.00_KF301-5.0-2P
- Role: Battery input connector
- Connector Positions: 2
- Current Rating: 17A
- Operating Temperature: -30~+120℃
- LCSC Part Number: C474881
- Voltage Rating: 250V
- JLCPCB Part Class: Extended Part
- Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF301-5-0-2P_C474881.html
- Connector Rows: 1
- Manufacturer Name: KEFA(科发)
- Connector Type: Terminal Blocks
- Part Type: Screw terminal
- Manufacturer Part Number: KF301-5.0-2P
- Role Details: REMOVABLE BATTERY connector with polarity labels: pin 1 = BAT+ input before fuse (BAT_IN, then F1 to BAT_12V), pin 2 = BAT-/GND. Mark + and - clearly for field service.
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2303171000_Cixi-Kefa-Elec-KF301-5-0-2P_C474881.pdf
- Connector Pitch: 5mm
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J2 — [KF301-5.0-3P](https://www.flux.ai/lcsc/kf301-5p0-3p~tk6o.md)
- Manufacturer Part Number: KF301-5.0-3P
- Role: Connector
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C474882
- Role Details: REMOVABLE SERVO connector: pin 1 = SERVO_12V/BAT_12V, pin 2 = GND, pin 3 = SERVO_DATA single-wire half-duplex TTL bus. Label for STS3215/daisy-chain service.
- Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF301-5-0-3P_C474882.html
- Package or Case Code: CONN-TH_3P-P5.00_KF301-5.0-3P
- Part Type: Screw terminal
- Manufacturer Name: KEFA(科发)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2303171000_Cixi-Kefa-Elec-KF301-5-0-3P_C474882.pdf
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
### J3 — [KF301-5.0-2P](https://www.flux.ai/lcsc/kf301-5p0-2p~m56y.md)
- Connector Type: Terminal Blocks
- Part Type: Screw terminal
- Manufacturer Name: KEFA(科发)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2303171000_Cixi-Kefa-Elec-KF301-5-0-2P_C474881.pdf
- Manufacturer Part Number: KF301-5.0-2P
- Connector Pitch: 5mm
- Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF301-5-0-2P_C474881.html
- Connector Rows: 1
- Role: Blower fan power connector
- Voltage Rating: 250V
- LCSC Part Number: C474881
- JLCPCB Part Class: Extended Part
- Role Details: REMOVABLE FAN connector: pin 1 = FAN_12V/BAT_12V, pin 2 = FAN_GND switched low-side return to Q1 drain. Label fan polarity clearly for service.
- Package or Case Code: CONN-TH_P5.00_KF301-5.0-2P
- Connector Positions: 2
- Operating Temperature: -30~+120℃
- Current Rating: 17A
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J4 — [PZ254V-11-02P](https://www.flux.ai/lcsc/pz254v-11-02p~9gt5.md)
- Part Type: Pin Headers
- Product Info Url: https://lcsc.com/product-detail/New-Arrivals_XFCN-PZ254V-11-02P_C492401.html
- Manufacturer Part Number: PZ254V-11-02P
- LCSC Part Number: C492401
- Connector Type: Wire-to-Board connector
- Gender: Male
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_XFCN-PZ254V-11-02P_C492401.pdf
- JLCPCB Part Class: Extended Part
- Positions: 2
- Role: Connector
- Role Details: DOME_TC field-service thermocouple connector: pin 1=T+, pin 2=T-. Use K-type thermocouple polarity marking at enclosure/PCB.
- Pitch: 2.54mm
- Manufacturer Name: XFCN(兴飞)
- Rows: 1
- Package or Case Code: HDR-TH_2P-P2.54-V-M
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J5 — [PZ254V-11-02P](https://www.flux.ai/lcsc/pz254v-11-02p~9gt5.md)
- Product Info Url: https://lcsc.com/product-detail/New-Arrivals_XFCN-PZ254V-11-02P_C492401.html
- Manufacturer Part Number: PZ254V-11-02P
- Part Type: Pin Headers
- LCSC Part Number: C492401
- Connector Type: Wire-to-Board connector
- Gender: Male
- Role: Connector
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_XFCN-PZ254V-11-02P_C492401.pdf
- Positions: 2
- JLCPCB Part Class: Extended Part
- Role Details: FOOD1_TC field-service thermocouple connector: pin 1=T+, pin 2=T-. Use K-type thermocouple polarity marking at enclosure/PCB.
- Pitch: 2.54mm
- Rows: 1
- Manufacturer Name: XFCN(兴飞)
- Package or Case Code: HDR-TH_2P-P2.54-V-M
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J6 — [PZ254V-11-02P](https://www.flux.ai/lcsc/pz254v-11-02p~9gt5.md)
- Connector Type: Wire-to-Board connector
- LCSC Part Number: C492401
- Manufacturer Part Number: PZ254V-11-02P
- Role Details: FOOD2_TC field-service thermocouple connector: pin 1=T+, pin 2=T-. Use K-type thermocouple polarity marking at enclosure/PCB.
- Product Info Url: https://lcsc.com/product-detail/New-Arrivals_XFCN-PZ254V-11-02P_C492401.html
- Part Type: Pin Headers
- Role: Connector
- Gender: Male
- Positions: 2
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_XFCN-PZ254V-11-02P_C492401.pdf
- Package or Case Code: HDR-TH_2P-P2.54-V-M
- Rows: 1
- Manufacturer Name: XFCN(兴飞)
- Pitch: 2.54mm
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J7 — [PZ254V-11-02P](https://www.flux.ai/lcsc/pz254v-11-02p~9gt5.md)
- Gender: Male
- Role Details: FOOD3_TC field-service thermocouple connector: pin 1=T+, pin 2=T-. Use K-type thermocouple polarity marking at enclosure/PCB.
- Role: Connector
- LCSC Part Number: C492401
- Part Type: Pin Headers
- Manufacturer Part Number: PZ254V-11-02P
- Product Info Url: https://lcsc.com/product-detail/New-Arrivals_XFCN-PZ254V-11-02P_C492401.html
- Connector Type: Wire-to-Board connector
- Pitch: 2.54mm
- Package or Case Code: HDR-TH_2P-P2.54-V-M
- Manufacturer Name: XFCN(兴飞)
- Rows: 1
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_XFCN-PZ254V-11-02P_C492401.pdf
- JLCPCB Part Class: Extended Part
- Positions: 2
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### J8 — [PZ254V-11-02P](https://www.flux.ai/lcsc/pz254v-11-02p~9gt5.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_XFCN-PZ254V-11-02P_C492401.pdf
- Positions: 2
- JLCPCB Part Class: Extended Part
- Role Details: FOOD4_TC field-service thermocouple connector: pin 1=T+, pin 2=T-. Use K-type thermocouple polarity marking at enclosure/PCB.
- Pitch: 2.54mm
- Rows: 1
- Manufacturer Name: XFCN(兴飞)
- Package or Case Code: HDR-TH_2P-P2.54-V-M
- Product Info Url: https://lcsc.com/product-detail/New-Arrivals_XFCN-PZ254V-11-02P_C492401.html
- Role: Connector
- Manufacturer Part Number: PZ254V-11-02P
- Part Type: Pin Headers
- LCSC Part Number: C492401
- Connector Type: Wire-to-Board connector
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
### Q1 — [IRLZ44NSTRLPBF](https://www.flux.ai/lcsc/irlz44nstrlpbf~bjhp.md)
- Role: Switching
- Manufacturer Part Number: IRLZ44NSTRLPBF
- Role Details: IRLZ44N-family logic-level N-MOSFET low-side switch: drain=FAN_GND, source=GND, gate=FAN_PWM through R1 from ESP32 GPIO23. Verify chosen fan current and MOSFET dissipation in layout.
- JLCPCB Part Class: Extended Part
- Part Type: MOSFETs
- Package or Case Code: D2PAK_L10.0-W9.0-P2.54-LS15.0-BR
- LCSC Part Number: C538199
- Manufacturer Name: Infineon(英飞凌)
- Product Info Url: https://lcsc.com/product-detail/MOSFET_Infineon-Technologies-IRLZ44NSTRLPBF_C538199.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302302_Infineon-Technologies-IRLZ44NSTRLPBF_C538199.pdf
**Pins:**
- D [pin 2]
- G [pin 1]
- S [pin 3]
### TP1 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- Role Details: Test point label: BAT_12V fused battery rail.
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- LCSC Part Number: C238145
- JLCPCB Part Class: Extended Part
- Package or Case Code: CONN-TH_6037
- Manufacturer Part Number: 6037
- Part Type: Test Points/Test Rings
- Role: Test Point
- Manufacturer Name: Keystone
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
**Pins:**
- 1 [pin 1]
### TP2 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- Manufacturer Name: Keystone
- Role Details: Test point label: 5V buck regulator output rail.
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
- Package or Case Code: CONN-TH_6037
- Part Type: Test Points/Test Rings
- Manufacturer Part Number: 6037
- LCSC Part Number: C238145
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- JLCPCB Part Class: Extended Part
- Role: Test Point
**Pins:**
- 1 [pin 1]
### TP3 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- Role: Test Point
- Role Details: Test point label: 3V3 ESP32 sensor rail.
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- LCSC Part Number: C238145
- Part Type: Test Points/Test Rings
- Manufacturer Part Number: 6037
- Package or Case Code: CONN-TH_6037
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
- Manufacturer Name: Keystone
**Pins:**
- 1 [pin 1]
### TP4 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- LCSC Part Number: C238145
- JLCPCB Part Class: Extended Part
- Package or Case Code: CONN-TH_6037
- Part Type: Test Points/Test Rings
- Manufacturer Part Number: 6037
- Manufacturer Name: Keystone
- Role: Test Point
- Role Details: Test point label: GND common return.
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
**Pins:**
- 1 [pin 1]
### TP5 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C238145
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- Role Details: Test point label: BATTERY_SENSE_GPIO34 ADC divider output.
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
- Role: Test Point
- Manufacturer Name: Keystone
- Part Type: Test Points/Test Rings
- Manufacturer Part Number: 6037
- Package or Case Code: CONN-TH_6037
**Pins:**
- 1 [pin 1]
### TP6 — [6037](https://www.flux.ai/lcsc/6037~m0a7.md)
- Manufacturer Name: Keystone
- Role Details: Test point label: SERVO_DATA half-duplex smart-servo bus.
- Product Info Url: https://lcsc.com/product-detail/Test-Points-Test-Rings_Keystone_6037_Keystone-6037_C238145.html
- Package or Case Code: CONN-TH_6037
- Manufacturer Part Number: 6037
- Part Type: Test Points/Test Rings
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2401241010_Keystone-6037_C238145.pdf
- LCSC Part Number: C238145
- Role: Test Point
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
### U1 — [ESP32-DevKitC](https://www.flux.ai/lcsc/esp32-devkitc~i1ye.md)
- Role: Main controller dev board
- JLCPCB Part Class: Extended Part
- Role Details: ESP32 DevKit controller: GPIO18=SPI_CLK_GPIO18, GPIO19=SPI_DO_GPIO19; GPIO5/14/27/26/25 are thermocouple CS nets; GPIO23=FAN_PWM_GPIO23; GPIO34=BATTERY_SENSE_GPIO34; GPIO17=SERVO_TX_GPIO17 through R5 to SERVO_DATA; GPIO16=SERVO_RX_GPIO16 through R6 from SERVO_DATA; 5V powered with 3V3 sensor rail.
- Part Type: Development Boards & Kits
- Symbol Style: parametric-v1
- Datasheet URL: https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32/esp-dev-kits-en-master-esp32.pdf
- LCSC Part Number: C571180
- Package or Case Code: BULETM-SMD_ESP32-DEVKITC
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: ESP32-DevKitC
- Manufacturer Name: ESPRESSIF(乐鑫)
**Pins:**
- 3V3 [pin 1]
- 5V [pin 19]
- CLK [pin 38]
- CMD [pin 18]
- D0 [pin 37]
- D1 [pin 36]
- D2 [pin 16]
- D3 [pin 17]
- EN [pin 2]
- GND [pin 20]
- GND [pin 14]
- GND [pin 26]
- IO0 [pin 33]
- IO12 [pin 13]
- IO13 [pin 15]
- IO14 [pin 12]
- IO15 [pin 35]
- IO16 [pin 31]
- IO17 [pin 30]
- IO18 [pin 28]
- IO19 [pin 27]
- IO2 [pin 34]
- IO21 [pin 25]
- IO22 [pin 22]
- IO23 [pin 21]
- IO25 [pin 9]
- IO26 [pin 10]
- IO27 [pin 11]
- IO32 [pin 7]
- IO33 [pin 8]
- IO34 [pin 5]
- IO35 [pin 6]
- IO4 [pin 32]
- IO5 [pin 29]
- RX [pin 24]
- TX [pin 23]
- VN [pin 4]
- VP [pin 3]
### U2 — [LM2596T-ADJG](https://www.flux.ai/lcsc/lm2596t-adjg~9qsy.md)
- Role Details: Represents LM2596 buck module: BAT_12V input, 5V output, common GND
- Package or Case Code: TO-220-5L_L10.2-W4.5-P1.71-L
- Role: 12V to 5V buck converter
- JLCPCB Part Class: Extended Part
- Part Type: DC-DC Converters
- Manufacturer Part Number: LM2596T-ADJG
- LCSC Part Number: C2977087
- Manufacturer Name: HGC(深圳汉芯)
**Pins:**
- FEEDBACK [pin 4]
- GND [pin 3]
- ON_OFF [pin 5]
- OUTPUT [pin 2]
- VIN [pin 1]
### U3 — [MAX31855KASA+](https://www.flux.ai/lcsc/max31855kasaplus~mnuv.md)
- Manufacturer Part Number: MAX31855KASA+
- Datasheet URL: https://www.lcsc.com/datasheet/C1523572.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RcVVZfQFJaVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Role Details: MAX31855 Dome: VCC=3V3, GND=GND, SCK=GPIO18, SO/DO=GPIO19, CS=GPIO5
- Part Type: Sensor Interface ICs
- Role: Thermocouple module
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C1523572
- Section: Thermocouple - Dome
- Manufacturer Name: ADI(亚德诺)/MAXIM(美信)
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-2
- Symbol Style: parametric-v1
**Pins:**
- ~{CS} [pin 6]
- DNC [pin 8]
- GND [pin 1]
- SCK [pin 5]
- SO [pin 7]
- T- [pin 2]
- T+ [pin 3]
- VCC [pin 4]
### U4 — [MAX31855KASA+](https://www.flux.ai/lcsc/max31855kasaplus~mnuv.md)
- Part Type: Sensor Interface ICs
- Role Details: MAX31855 Food Probe 1: VCC=3V3, GND=GND, SCK=GPIO18, SO/DO=GPIO19, CS=GPIO14
- Datasheet URL: https://www.lcsc.com/datasheet/C1523572.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RcVVZfQFJaVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Manufacturer Part Number: MAX31855KASA+
- Section: Thermocouple - Food Probe 1
- Role: Thermocouple module
- Symbol Style: parametric-v1
- Manufacturer Name: ADI(亚德诺)/MAXIM(美信)
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-2
- LCSC Part Number: C1523572
- JLCPCB Part Class: Extended Part
**Pins:**
- ~{CS} [pin 6]
- DNC [pin 8]
- GND [pin 1]
- SCK [pin 5]
- SO [pin 7]
- T- [pin 2]
- T+ [pin 3]
- VCC [pin 4]
### U5 — [MAX31855KASA+](https://www.flux.ai/lcsc/max31855kasaplus~mnuv.md)
- Part Type: Sensor Interface ICs
- Datasheet URL: https://www.lcsc.com/datasheet/C1523572.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RcVVZfQFJaVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Role: Thermocouple module
- Section: Thermocouple - Food Probe 2
- Manufacturer Part Number: MAX31855KASA+
- Role Details: MAX31855 Food Probe 2: VCC=3V3, GND=GND, SCK=GPIO18, SO/DO=GPIO19, CS=GPIO27
- Symbol Style: parametric-v1
- Manufacturer Name: ADI(亚德诺)/MAXIM(美信)
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-2
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C1523572
**Pins:**
- ~{CS} [pin 6]
- DNC [pin 8]
- GND [pin 1]
- SCK [pin 5]
- SO [pin 7]
- T- [pin 2]
- T+ [pin 3]
- VCC [pin 4]
### U6 — [MAX31855KASA+](https://www.flux.ai/lcsc/max31855kasaplus~mnuv.md)
- Datasheet URL: https://www.lcsc.com/datasheet/C1523572.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RcVVZfQFJaVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Part Type: Sensor Interface ICs
- Section: Thermocouple - Food Probe 3
- Manufacturer Part Number: MAX31855KASA+
- Manufacturer Name: ADI(亚德诺)/MAXIM(美信)
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-2
- Role Details: MAX31855 Food Probe 3: VCC=3V3, GND=GND, SCK=GPIO18, SO/DO=GPIO19, CS=GPIO26
- Role: Thermocouple module
- Symbol Style: parametric-v1
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C1523572
**Pins:**
- ~{CS} [pin 6]
- DNC [pin 8]
- GND [pin 1]
- SCK [pin 5]
- SO [pin 7]
- T- [pin 2]
- T+ [pin 3]
- VCC [pin 4]
### U7 — [MAX31855KASA+](https://www.flux.ai/lcsc/max31855kasaplus~mnuv.md)
- Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-2
- Manufacturer Name: ADI(亚德诺)/MAXIM(美信)
- Symbol Style: parametric-v1
- Role Details: MAX31855 Food Probe 4: VCC=3V3, GND=GND, SCK=GPIO18, SO/DO=GPIO19, CS=GPIO25
- Role: Thermocouple module
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C1523572
- Section: Thermocouple - Food Probe 4
- Datasheet URL: https://www.lcsc.com/datasheet/C1523572.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RcVVZfQFJaVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D
- Part Type: Sensor Interface ICs
- Manufacturer Part Number: MAX31855KASA+
**Pins:**
- ~{CS} [pin 6]
- DNC [pin 8]
- GND [pin 1]
- SCK [pin 5]
- SO [pin 7]
- T- [pin 2]
- T+ [pin 3]
- VCC [pin 4]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/arakan/diy-grill-controller-ai~6v](https://www.flux.ai/arakan/diy-grill-controller-ai~6v).*
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*Generated from [https://www.flux.ai/arakan/diy-grill-controller-ai~6v](https://www.flux.ai/arakan/diy-grill-controller-ai~6v)*