# The Green Dot 2040E5 Board w8QA ## Description The "Green Dot 2040E5" Board is a Node that interfaces RS485 Sensor probes and can log information to the cloud using LoRa Connectivity. It uses the XIAO RP2040 and the LoRa-E5 (STM32WLE5JC) modules from Seeed Studio to do its magic. It also has amazing power management capabilities (Solar charging, Battery protection, etc) that make it very useful for IoT applications #Seeed #XIOA #LoRa #RP2040 #IoT ## Project Details - **Owner:** kerry - **Created:** 11/16/2023 - **Last Updated:** 11/17/2023 - **Visibility:** Public - **Forks:** 15 ## Key Components ### D1 — SS34 - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Manufacturer Part Number: SS34 - Part Type: Diode - Manufacturer Name: Multicomp - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D2 — LED_0603_1608Metric - Forward Voltage: 2.0V - License: https://creativecommons.org/licenses/by/4.0/ - Color: Green - Forward Current: 20mA - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf - Manufacturer Part Number: NCD0603C1 - Manufacturer Name: Foshan NationStar Optoelectronics **Pins:** - P1 [pin 1] - P2 [pin 2] ### D3 — SS34 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Multicomp - Manufacturer Part Number: SS34 - Part Type: Diode - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 **Pins:** - A [pin 2] - K [pin 1] ### D4 — SS34 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Multicomp - Manufacturer Part Number: SS34 - Part Type: Diode - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 **Pins:** - A [pin 2] - K [pin 1] ### D5 — LED_0603_1608Metric - Manufacturer Name: Foshan NationStar Optoelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Forward Voltage: 2.0V - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603R1_C84263.pdf - Part Type: LED - Color: Red - Manufacturer Part Number: NCD0603R1 - Current: 20mA **Pins:** - P1 [pin 1] - P2 [pin 2] ### H1 — MountingHole 2.5mm Pad - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### H2 — MountingHole 2.5mm Pad - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### IC1 — MT3608 - Manufacturer Part Number: MT3608L - Manufacturer Name: Aerosemi Technology Co Ltd - Datasheet URL: https://datasheet.lcsc.com/lcsc/2201121530_XI-AN-Aerosemi-Tech-MT3608L_C2932326.pdf - Part Type: Integrated Circuit **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### IC2 — SP3481CN-L/TR - Part Type: Integrated Circuit - Datasheet URL: https://rocelec.widen.net/view/pdf/pdyy6gcoag/SIPXS01070-1.pdf?t.download=true&u=5oefqw - Manufacturer Name: Rochester Electronics, LLC - Manufacturer Part Number: SP3481CN-L/TR **Pins:** - ~RE~ [pin 2] - A [pin 6] - B [pin 7] - DE [pin 3] - DI [pin 4] - GND [pin 5] - RO [pin 1] - VCC [pin 8] ### J1 — JST B2B PH K 01x02 Connector - Part Type: Connector - Manufacturer Name: JST Sales America - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J2 — IPEX1 - Impedance: 50Ω - Number of Ports: 1 - Manufacturer Name: BAT WIRELESS - Part Type: Connector - Manufacturer Part Number: BWU.FL-IPEX1 - Interface Length: 1.25mm - License: https://creativecommons.org/licenses/by/4.0/ - Interface Diameter: 2mm - Datasheet URL: https://datasheet.lcsc.com/lcsc/2208151830_BAT-WIRELESS-BWU-FL-IPEX1_C5137195.pdf - Frequency Max: 6GHz - RF Series: IPEX **Pins:** - GND [pin 1] - GND [pin 3] - SIGNAL [pin 2] ### J3 — 2-Position Screw Terminal - Manufacturer Name: Würth Elektrik - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Part Type: Connector - Manufacturer Part Number: 691137710002 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J6 — Pin Header 01x10 2.54mm Vertical - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### SW1 — SW_SPDT - Part Type: Switch **Pins:** - A - B - C ### SW2 — Dip switch - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch **Pins:** - 1 [pin 1] - 1 [pin 1] - 2 [pin 2] - 2 [pin 2] ### U1 — RT8059GJ5 - Manufacturer Part Number: RT8059GJ5 - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811100910_Richtek-Tech-RT8059GJ5_C20542.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: SOT-23-5 **Pins:** - EN [pin 1] - FB [pin 5] - GND [pin 2] - LX [pin 3] - VIN [pin 4] ### U2 — CN3063 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811051510_ShangHai-Consonance-Elec-CN3063_C28078.pdf - Manufacturer Name: Seeed - Part Type: Integrated Circuit - Package or Case Code: SOP-8-EP - Manufacturer Part Number: CN3063 **Pins:** - 9 [pin 9] - 7 [pin 7] - 8 [pin 8] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 3 [pin 3] - 2 [pin 2] - 1 [pin 1] ### U3 — SY6280 - Package or Case Code: SOT-23-5 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Silergy Corp - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.lcsc.com/lcsc/1808010233_Silergy-Corp-SY6280AAAC_C207620.pdf - Manufacturer Part Number: SY6280AAAC **Pins:** - EN [pin 4] - GND [pin 2] - ISET [pin 3] - VIN [pin 5] - VOUT [pin 1] ### U4 — LoRa-E5 (STM32WLE5JC) - Datasheet URL: https://files.seeedstudio.com/products/317990687/res/LoRa-E5%20module%20datasheet_V1.0.pdf - Manufacturer Name: Seeed Technology Co., Ltd - Manufacturer Part Number: 317990687 - Part Type: RF Transceiver Module **Pins:** - GND [pin 16] - GND [pin 14] - GND [pin 22] - GND [pin 2] - PA0 [pin 23] - PA10 [pin 27] - PA13 [pin 3] - PA14 [pin 4] - PA15 [pin 6] - PA2 [pin 19] - PA3 [pin 18] - PA9 [pin 21] - PB0 [pin 28] - PB10 [pin 20] - PB13 [pin 24] - PB14 [pin 26] - PB15 [pin 5] - PB3 [pin 8] - PB4 [pin 7] - PB5 [pin 11] - PB6 [pin 10] - PB7 [pin 9] - PB9 [pin 25] - PC0 [pin 13] - PC1 [pin 12] - RFIO [pin 15] - RST [pin 17] - VCC [pin 1] ### U5 — MQ-7 - Part Type: Integrated Circuit - Manufacturer Part Number: MQ-7 - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Biometric/MQ-7%20Ver1.3%20-%20Manual.pdf - Manufacturer Name: SparkFun Electronics - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A1 [pin 6] - A2 [pin 4] - B1 [pin 1] - B2 [pin 3] - VH- [pin 5] - VH+ [pin 2] ### U6 — Seeed Studio XIAO RP2040 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://files.seeedstudio.com/wiki/XIAO-RP2040/res/rp2040_datasheet.pdf - Manufacturer Name: Seeed Studios - Wiki: https://wiki.seeedstudio.com/XIAO-RP2040/ - Manufacturer Part Number: 102010428 - Part Type: Microcontroller **Pins:** - 3V3 [pin 12] - 5V [pin 14] - D10_MOSI_P3 [pin 11] - D7_CSn_P1_RX [pin 8] - D8_SCK_P2 [pin 9] - D9_MISO_P4 [pin 10] - GND [pin 13] - P0_TX_D6 [pin 7] - P26_A0_D0 [pin 1] - P27_A1_D1 [pin 2] - P28_A2_D2 [pin 3] - P29_A3_D3 [pin 4] - P6_SDA_D4 [pin 5] - P7_SCL_D5 [pin 6] ### U7 — SGP40-D-R4 - Manufacturer Part Number: SGP40-D-R4 - Datasheet URL: https://sensirion.com/media/documents/296373BB/6203C5DF/Sensirion_Gas_Sensors_Datasheet_SGP40.pdf - Manufacturer Name: Sensirion AG - Part Type: Sensor **Pins:** - GND - NA - SCL - SDA - VDD - VDDH - VSS ### U8 — SCD41-D-R1 - Datasheet URL: https://www.mouser.com/datasheet/2/682/Sensirion_CD_DS_SCD40_SCD41_Datasheet_D1-3305949.pdf - Manufacturer Part Number: SCD41-D-R1 - Part Type: Sensor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Sensirion AG **Pins:** - DNC_1 [pin 1] - DNC_10 [pin 14] - DNC_11 [pin 15] - DNC_12 [pin 16] - DNC_13 [pin 17] - DNC_14 [pin 18] - DNC_2 [pin 2] - DNC_3 [pin 3] - DNC_4 [pin 4] - DNC_5 [pin 5] - DNC_6 [pin 8] - DNC_7 [pin 11] - DNC_8 [pin 12] - DNC_9 [pin 13] - GND_1 [pin 6] - GND_2 [pin 20] - GND_3 [pin 21] - SCL [pin 9] - SDA [pin 10] - VDD [pin 7] - VDDH [pin 19] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/kerry/the-green-dot-2040e5-board-w8qa~kh](https://www.flux.ai/kerry/the-green-dot-2040e5-board-w8qa~kh).* --- *Generated from [https://www.flux.ai/kerry/the-green-dot-2040e5-board-w8qa~kh](https://www.flux.ai/kerry/the-green-dot-2040e5-board-w8qa~kh)*