# The Green Dot 2040E5 Board ## Description Green Dot 2040E5: Robust LoRa/RS485 IoT Node ## Project Details - **Owner:** collinsemasi - **Created:** 5/20/2024 - **Last Updated:** 11/28/2025 - **Visibility:** Public - **Issue Log: Decoupling Caps:** [Add details from decoupling_caps review] - **Domain:** AgriTech - **Issue Log: Resistor Power Rating:** [Add details from resistor_power_rating review] - **Issue Log: Missing Footprints:** [Add details from design_rule_check_missing_footprints review] - **License:** https://creativecommons.org/licenses/by/4.0/ - **Issue Log: Airwires:** [Add details from design_rule_check_airwires review] - **Issue Log: Capacitor Voltage Rating:** [Add details from capacitor_voltage_rating review] - **Issue Log: I2C Pull-Up/Pull-Down:** [Add details from pull_up_pull_down review] - **Issue Log: Parts Availability:** [Add details from parts_available review] - **Stars:** 3 - **Forks:** 6 - **Copies:** 5 ## Key Components ### D1 — SS34 - Manufacturer Name: Multicomp - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS34 **Pins:** - A [pin 2] - K [pin 1] ### D2 — LED_0603_1608Metric - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603C1_C84264.pdf - Manufacturer Part Number: NCD0603C1 - Forward Current: 20mA - Part Type: LED - Forward Voltage: 2.0V - Manufacturer Name: Foshan NationStar Optoelectronics - Color: Green **Pins:** - P1 [pin 1] - P2 [pin 2] ### D3 — SS34 - Manufacturer Part Number: SS34 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Part Type: Diode - Manufacturer Name: Multicomp **Pins:** - A [pin 2] - K [pin 1] ### D4 — SS34 - Manufacturer Part Number: SS34 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Datasheet URL: https://octopart.com/datasheet/ss34-multicomp-5386508 - Manufacturer Name: Multicomp **Pins:** - A [pin 2] - K [pin 1] ### D5 — LED_0603_1608Metric - Color: Red - License: https://creativecommons.org/licenses/by/4.0/ - Current: 20mA - Manufacturer Name: Foshan NationStar Optoelectronics - Part Type: LED - Manufacturer Part Number: NCD0603R1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008201032_Foshan-NationStar-Optoelectronics-NCD0603R1_C84263.pdf - Forward Voltage: 2.0V **Pins:** - P1 [pin 1] - P2 [pin 2] ### IC1 — MT3608 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2201121530_XI-AN-Aerosemi-Tech-MT3608L_C2932326.pdf - Manufacturer Part Number: MT3608L - Part Type: Integrated Circuit - Manufacturer Name: Aerosemi Technology Co Ltd **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### IC2 — SP3481CN-L/TR - Manufacturer Part Number: SP3485EN-L/TR - Datasheet URL: https://rocelec.widen.net/view/pdf/pdyy6gcoag/SIPXS01070-1.pdf?t.download=true&u=5oefqw - Part Type: Integrated Circuit - Manufacturer Name: Rochester Electronics, LLC **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 - 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 - Part Type: Connector **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J2 — IPEX1 - Manufacturer Part Number: BWU.FL-IPEX1 - RF Series: IPEX - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Impedance: 50Ω - Manufacturer Name: BAT WIRELESS - Interface Length: 1.25mm - Frequency Max: 6GHz - Number of Ports: 1 - Interface Diameter: 2mm - Datasheet URL: https://datasheet.lcsc.com/lcsc/2208151830_BAT-WIRELESS-BWU-FL-IPEX1_C5137195.pdf **Pins:** - GND [pin 1] - GND [pin 3] - SIGNAL [pin 2] ### J3 — 2-Position Screw Terminal - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Part Number: 691137710002 - Part Type: Connector - Manufacturer Name: Würth Elektrik **Pins:** - P1 [pin 1] - P2 [pin 2] ### J6 — Pin Header 01x10 2.54mm Vertical - Manufacturer Part Number: WJ103-5.0-10P - 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 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1811100910_Richtek-Tech-RT8059GJ5_C20542.pdf - 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/ - Package or Case Code: SOP-8-EP - Manufacturer Part Number: CN3063 - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2410121502_ShangHai-Consonance-Elec-CN3063_C28078.pdf - Manufacturer Name: Shanghai Consonance Elec **Pins:** - 9 [pin 9] - ~CHARG [pin 7] - ~DONE [pin 6] - BAT [pin 5] - FB [pin 8] - GND [pin 3] - ISET [pin 2] - TEMP [pin 1] - VIN [pin 4] ### U3 — SY6280 - Package or Case Code: SOT-23-5 - Manufacturer Name: Silergy Corp - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810121532_Silergy-Corp-SY6280AAC_C55136.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SY6280AAAC **Pins:** - EN [pin 4] - GND [pin 2] - ISET [pin 3] - VIN [pin 5] - VOUT [pin 1] ### U4 — LoRa-E5 (STM32WLE5JC) - Manufacturer Part Number: 317990687 - Part Type: RF Transceiver Module - Datasheet URL: https://files.seeedstudio.com/products/317990687/res/LoRa-E5%20module%20datasheet_V1.0.pdf - Manufacturer Name: Seeed Technology Co., Ltd **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] ### U6 — Seeed Studio XIAO RP2040 - Wiki: https://wiki.seeedstudio.com/XIAO-RP2040/ - Manufacturer Part Number: 102010428 - Manufacturer Name: Seeed Studios - Part Type: Microcontroller - Datasheet URL: https://files.seeedstudio.com/wiki/XIAO-RP2040/res/rp2040_datasheet.pdf - License: https://creativecommons.org/licenses/by/4.0/ **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] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/collinsemasi/the-green-dot-2040e5-board~08](https://www.flux.ai/collinsemasi/the-green-dot-2040e5-board~08).* --- *Generated from [https://www.flux.ai/collinsemasi/the-green-dot-2040e5-board~08](https://www.flux.ai/collinsemasi/the-green-dot-2040e5-board~08)*