# Pumpkin Light ## Description Solar-Powered MCU Pumpkin Light with Dusk-to-Dawn Amber LED Effects (Auto-Place/Route Ready, ERC/DRC Checked) ## Project Details - **Owner:** adriangispert - **Created:** 10/21/2025 - **Last Updated:** 10/24/2025 - **Visibility:** Public - **Board Stackup:** Standard 2-Layer - **System Architecture:** ```mermaid flowchart LR subgraph Power end subgraph Control/UI end subgraph LED Driver end subgraph User Interface end Power --> Control/UI Control/UI --> LED Driver Control/UI --> User Interface ``` - **Power_Nets Trace Width:** 0.5mm - **LED_PWR_Nets:** LED_ARRAY - **LED_PWR Trace Width:** 0.25mm - **Power_Nets:** VIN, BATT+, SOLAR_PANEL_POS - **Board Layout Size:** 1021.0 mm by 879.1 mm - **Mounting Solution:** 4x M3 non-plated holes, one in each corner ## Key Components ### BAT1 — [Battery Holder 1 Cell DIP AA](https://www.flux.ai/vasyl/battery-holder-1-cell-dip-aa~gak.md) - Part Type: Battery Holder - Manufacturer Name: Keystone Electronics - License: https://creativecommons.org/licenses/by/4.0/ - Voltage: 1.5V - Role Details: NiMH battery cell - Package or Case Code: F_BAT_2460 - Manufacturer Part Number: 2460 - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p28.pdf - Role: Power Source **Pins:** - NEGATIVE [pin N] - POSITIVE [pin P] ### D1 — [1N5819HW-7-F](https://www.flux.ai/jecstronic/1n5819hw-7-f~x5v.md) - Package or Case Code: D_SOD-123 - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds30217.pdf - Manufacturer Part Number: 1N5819HW-7-F - Manufacturer Name: Diodes Incorporated - Role Details: Blocking Schottky diode for solar panel - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### J1 — [282837-2](https://www.flux.ai/vasy_skral/282837-2~69k.md) - Manufacturer Name: TE Connectivity AMP Connectors - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Manufacturer Part Number: 282837-2 - Part Type: Connector - Role: Connector - Role Details: Solar panel input connector - Package or Case Code: TE_282837-2 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [Pin Header 02x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x03-254mm-vertical~z8m.md) - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: MCU programming header connector - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### LDR1 — [LDR07](https://www.flux.ai/kicad-part-library/ldr07~rqb.md) - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: LDR07 - Datasheet URL: http://www.tme.eu/de/Document/f2e3ad76a925811312d226c31da4cd7e/LDR07.pdf - Role Details: Ambient light sensor for dusk-to-dawn automation - Role: Sensor - Part Type: OptoDevice - Package or Case Code: R_LDR_5.1x4.3mm_P3.4mm_Vertical **Pins:** - ~ [pin 2] - ~ [pin 1] ### LED1 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Role: Signal Generation - Part Type: LED - Role Details: Amber 592nm LED for decorative illumination - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: D_0603_1608Metric - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - Group: LED_Driver **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Role: Signal Generation - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Group: LED_Driver - Role Details: Amber 592nm LED for decorative illumination - Package or Case Code: D_0603_1608Metric - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Role Details: Amber 592nm LED for decorative illumination - Package or Case Code: D_0603_1608Metric - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Role: Signal Generation - Group: LED_Driver - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Group: LED_Driver - Role: Signal Generation - Package or Case Code: D_0603_1608Metric - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Role Details: Amber 592nm LED for decorative illumination - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Role: Signal Generation - Package or Case Code: D_0603_1608Metric - Part Type: LED - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - License: https://creativecommons.org/licenses/by/4.0/ - Group: LED_Driver - Role Details: Amber 592nm LED for decorative illumination **Pins:** - A [pin 2] - K [pin 1] ### LED6 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Group: LED_Driver - Manufacturer Part Number: HSMA-C190 - Manufacturer Name: Broadcom Limited - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: D_0603_1608Metric - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Role: Signal Generation - Part Type: LED - Role Details: Amber 592nm LED for decorative illumination **Pins:** - A [pin 2] - K [pin 1] ### LED7 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Package or Case Code: D_0603_1608Metric - Role Details: Amber 592nm LED for decorative illumination - License: https://creativecommons.org/licenses/by/4.0/ - Group: LED_Driver - Role: Signal Generation - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED8 — [HSMA-C190](https://www.flux.ai/adrian95/hsma-c190~1oy.md) - Manufacturer Name: Broadcom Limited - Manufacturer Part Number: HSMA-C190 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Group: LED_Driver - Role Details: Amber 592nm LED for decorative illumination - Datasheet URL: https://docs.broadcom.com/docs/AV02-0112EN - Package or Case Code: D_0603_1608Metric - Role: Signal Generation **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [DMN3033LDM](https://www.flux.ai/kicad-part-library/dmn3033ldm~58x.md) - Package or Case Code: SOT-23-6 - Role: Switching - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds31345.pdf - Role Details: Low-side LED switching MOSFET - Manufacturer Part Number: DMN3033LDM - Group: LED_Driver **Pins:** - D [pin 5] - D [pin 2] - D [pin 6] - D [pin 1] - G [pin 3] - S [pin 4] ### SW1 — [SPDT Toggle Switch on-none-on](https://www.flux.ai/jwwitherspoon/spdt-toggle-switch-on-none-on~rz.md) - Package or Case Code: SW-TH - Group: Control_UI - Part Type: Switch - Current: 3A - Role: Switch - Role Details: SPDT mode-select switch for RESET and operational modes (Off/On/Auto) - Manufacturer Part Number: 200MSP1T1B1M2QEH - Manufacturer Name: E-Switch - Purchase Url: https://www.digikey.com/en/products/detail/e-switch/200MSP1T1B1M2QEH/378916 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6463/Series%20200%20Switches.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### SW2 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg~g8.md) - Role: Switch - Package or Case Code: SW-SMD - Role Details: Momentary push button to cycle LED lighting patterns - Group: Control_UI - Manufacturer Part Number: TL3330AF260QG - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf - Manufacturer Name: E-Switch - Part Type: Switch **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — [MAX712CSE](https://www.flux.ai/kicad-part-library/max712cse~zpz.md) - Role Details: NiMH Battery Charger IC - Package or Case Code: SOIC-16_3.9x9.9mm_P1.27mm - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX712-MAX713.pdf - Role: Power Management - Manufacturer Name: Maxim Integrated Products, Inc. - Manufacturer Part Number: MAX712CSE **Pins:** - ~{FASTCHG} [pin 8] - BATT- [pin 12] - BATT+ [pin 2] - CC [pin 11] - DRV [pin 14] - GND [pin 13] - PGM0 [pin 3] - PGM1 [pin 4] - PGM2 [pin 9] - PGM3 [pin 10] - REF [pin 16] - TEMP [pin 7] - THI [pin 5] - TLO [pin 6] - V+ [pin 15] - VLIMIT [pin 1] ### U2 — [ATTINY13A-SSU](https://www.flux.ai/adrian95/attiny13a-ssu~k1k.md) - Role: Microcontroller - Manufacturer Name: Microchip - Group: Control_UI - Package or Case Code: SOIC-8_3.9x4.9mm_P1.27mm - Datasheet URL: https://www.microchip.com/404/ - Manufacturer Part Number: ATTINY13A-SSU - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Role Details: Main MCU for LED control and user interface **Pins:** - ~RESET~/PB5 [pin 1] - GND [pin 4] - PB0 [pin 5] - PB1 [pin 6] - PB2 [pin 7] - PB3 [pin 2] - PB4 [pin 3] - VCC [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/adriangispert/pumpkin-light~s4](https://www.flux.ai/adriangispert/pumpkin-light~s4).* --- *Generated from [https://www.flux.ai/adriangispert/pumpkin-light~s4](https://www.flux.ai/adriangispert/pumpkin-light~s4)*