# Project Sunflower Seeds ## Description Solar-powered autonomous development board that allows you to grow your project from a small seed to a big, beautiful flower. AAA(10440) LiFePO4 battery as energy storage. BQ25504 Ultra Low-Power Energy Harvester ## Project Details - **Owner:** chrisberry - **Created:** 2/24/2023 - **Last Updated:** 6/20/2023 - **Visibility:** Public ## Key Components ### BAT1 — [Battery Holder Keystone 1076 1xAAA](https://www.flux.ai/vasy_skral/battery-holder-keystone-1076-1xaaa.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p24.pdf - Manufacturer Part Number: 1076 - Manufacturer Name: Keystone Electronics - Part Type: Connector **Pins:** - NEGATIVE - POSITIVE ### D1 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Part Type: Diode - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Part Number: BAT60JFILM **Pins:** - A - K ### D10 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Part Number: BAT60JFILM - Part Type: Diode - Manufacturer Name: STMicroelectronics **Pins:** - A - K ### D11 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Part Number: BAT60JFILM - Part Type: Diode - Manufacturer Name: STMicroelectronics **Pins:** - A - K ### D12 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Name: STMicroelectronics - Part Type: Diode - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf **Pins:** - A - K ### D2 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Name: STMicroelectronics - Part Type: Diode - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf **Pins:** - A - K ### D3 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Part Number: BAT60JFILM - Part Type: Diode - Manufacturer Name: STMicroelectronics **Pins:** - A - K ### D4 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Name: STMicroelectronics - Part Type: Diode **Pins:** - A - K ### D5 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Part Type: Diode - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Part Number: BAT60JFILM **Pins:** - A - K ### D6 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Name: STMicroelectronics - Part Type: Diode - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf **Pins:** - A - K ### D7 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Name: STMicroelectronics - Part Type: Diode - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf **Pins:** - A - K ### D8 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Name: STMicroelectronics - Part Type: Diode - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf **Pins:** - A - K ### D9 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm.md) - Manufacturer Part Number: BAT60JFILM - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Manufacturer Name: STMicroelectronics - Part Type: Diode **Pins:** - A - K ### I2C — [Connector 01x04 0.100](https://www.flux.ai/vasy_skral/connector-01x04-0100.md) - Part Type: Connector **Pins:** - 1 - 2 - 3 - 4 ### IO0 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Manufacturer Name: E-Switch - Manufacturer Part Number: TL3330AF260QG - Part Type: Switch - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### IOs — [Pin Header 01x22 P2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x22-p254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_10 - Pin_11 - Pin_12 - Pin_13 - Pin_14 - Pin_15 - Pin_16 - Pin_17 - Pin_18 - Pin_19 - Pin_2 - Pin_20 - Pin_21 - Pin_22 - Pin_3 - Pin_4 - Pin_5 - Pin_6 - Pin_7 - Pin_8 - Pin_9 ### PROG — [Pin Header 02x06 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-02x06-254mm-vertical.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_10 - Pin_11 - Pin_12 - Pin_2 - Pin_3 - Pin_4 - Pin_5 - Pin_6 - Pin_7 - Pin_8 - Pin_9 ### Q1 — [BSS138](https://www.flux.ai/vasy_skral/bss138.md) - Manufacturer Name: onsemi - Manufacturer Part Number: BSS138 - Part Type: Transistor - Datasheet URL: https://www.onsemi.com/pdf/datasheet/bss138-d.pdf **Pins:** - D - G - S ### Q2 — [BSS138](https://www.flux.ai/vasy_skral/bss138.md) - Part Type: Transistor - Datasheet URL: https://www.onsemi.com/pdf/datasheet/bss138-d.pdf - Manufacturer Part Number: BSS138 - Manufacturer Name: onsemi **Pins:** - D - G - S ### QWIIC — [QWIIC I2C JST Connector](https://www.flux.ai/vasy_skral/qwiic-i2c-jst-connector.md) - Manufacturer Part Number: SM04B-SRSS-TB - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/JST%20PDFs/SR%20Connector.pdf - Manufacturer Name: JST Sales America Inc. - Part Type: Connector **Pins:** - 1 - 2 - 3 - 4 ### RST — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Manufacturer Name: E-Switch - Manufacturer Part Number: TL3330AF260QG - Part Type: Switch - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### SC1 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### SC10 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Part Number: SM141K04LV - Part Type: Power Source - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf **Pins:** - - [pin 2] - + [pin 1] ### SC11 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Part Number: SM141K04LV - Part Type: Power Source - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf **Pins:** - - [pin 2] - + [pin 1] ### SC12 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### SC2 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Part Number: SM141K04LV - Part Type: Power Source **Pins:** - - [pin 2] - + [pin 1] ### SC3 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Part Number: SM141K04LV - Part Type: Power Source **Pins:** - - [pin 2] - + [pin 1] ### SC4 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Part Number: SM141K04LV - Part Type: Power Source **Pins:** - - [pin 2] - + [pin 1] ### SC5 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Part Number: SM141K04LV - Part Type: Power Source - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf **Pins:** - - [pin 2] - + [pin 1] ### SC6 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### SC7 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### SC8 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Manufacturer Part Number: SM141K04LV - Part Type: Power Source - Manufacturer Name: ANYSOLAR Ltd - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf **Pins:** - - [pin 2] - + [pin 1] ### SC9 — [SM141K04LV](https://www.flux.ai/vasy_skral/sm141k04lv.md) - Datasheet URL: https://waf-e.dubudisk.com/anysolar.dubuplus.com/[email protected]/O18Ae0B/DubuDisk/www/Gen3/SM141K04LV%20DATA%20SHEET%20202007.pdf - Manufacturer Name: ANYSOLAR Ltd - Part Type: Power Source - Manufacturer Part Number: SM141K04LV **Pins:** - - [pin 2] - + [pin 1] ### U1 — [BQ25504RGTT](https://www.flux.ai/vasy_skral/bq25504rgtt.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: BQ25504RGTT - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq25504.pdf **Pins:** - AVSS - EPAD - LBST - OK_HYST - OK_PROG - OT_PROG - VBAT - VBAT_OK - VBAT_OV - VBAT_UV - VIN_DC - VOC_SAMP - VRDIV - VREF_SAMP - VSS_1 - VSS_13 - VSTOR ### U2 — [ESP32-WROOM-32 with Simplified Footprint](https://www.flux.ai/vasy_skral/esp32-wroom-32-with-simplified-footprint.md) - Manufacturer Name: Espressif Systems - Part Type: Integrated Circuit - Manufacturer Part Number: ESP32-WROOM-32 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf **Pins:** - EN - GND - GND - GND - GND - IO0 - IO12 - IO13 - IO14 - IO15 - IO16 - IO17 - IO18 - IO19 - IO2 - IO21 - IO22 - IO23 - IO25 - IO26 - IO27 - IO32 - IO33 - IO34 - IO35 - IO4 - IO5 - NC - RXD0/IO3 - SCK/CLK - SCS/CMD - SDI/SD1 - SDO/SD0 - SENSOR_VN - SENSOR_VP - SHD/SD2 - SWP/SD3 - TXD0/IO1 - VDD ### U3 — [CH340C](https://www.flux.ai/vasy_skral/ch340c.md) - Part Type: Integrated Circuit - Manufacturer Part Number: CH340C - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf - Manufacturer Name: Wah **Pins:** - ~CTS - ~DCD - ~DSR - ~DTR - ~RI - ~RTS - GND - NC - NC - R232 - RXD - TXD - UD- - UD+ - V3 - VCC ### U4 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md) - Manufacturer Part Number: AMS1117-3.3 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021917_Advanced-Monolithic-Systems-AMS1117_C6188.pdf - Part Type: Integrated Circuit - Manufacturer Name: AMS **Pins:** - GND - TAB(VOUT) - VIN - VOUT ### USB — [U253-051T-4BH89-F1B](https://www.flux.ai/vasy_skral/u253-051t-4bh89-f1b.md) - Manufacturer Name: XKB Connectivity - Manufacturer Part Number: U253-051T-4BH89-F1B - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/2110151630_XKB-Connectivity-U253-051T-4BH89-F1B_C319172.pdf **Pins:** - D- - D+ - GND - ID - S1 - S2 - S3 - S4 - S5 - S6 - VBUS ### USER1 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Manufacturer Name: E-Switch - Manufacturer Part Number: TL3330AF260QG - Part Type: Switch - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### USER2 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf - Part Type: Switch - Manufacturer Part Number: TL3330AF260QG - Manufacturer Name: E-Switch **Pins:** - P1 [pin 1] - P2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/chrisberry/project-sunflower-seeds](https://www.flux.ai/chrisberry/project-sunflower-seeds).* --- *Generated from [https://www.flux.ai/chrisberry/project-sunflower-seeds](https://www.flux.ai/chrisberry/project-sunflower-seeds)*