# LoRa Logger ## Description Ultra‑low‑power LoRa data logger for long‑range sensing. Logs to onboard flash/SD, I2C sensor-ready, battery powered with charger, RP2350 control, robust RF front-end for reliable remote telemetry. ## Project Details - **Owner:** vasy_skral - **Created:** 9/9/2025 - **Last Updated:** 9/15/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### BOOT — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### J2 — [TF-015](https://www.flux.ai/vasyl/tf-015.md) - Manufacturer Name: SOFNG - Manufacturer Part Number: TF-015 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2112221030_SOFNG-TF-015_C113206.pdf - Part Type: Connector **Pins:** - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - CD [pin 9] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - VDD [pin 4] - VSS [pin 6] ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2010222107_Everlight-Elec-19-237-R6GHBHC-A04-2T_C883183.pdf - Part Type: LED - Manufacturer Name: Everlight Elec - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T **Pins:** - A [pin 4] - B [pin 3] - G [pin 2] - R [pin 1] ### LED2 — [LED-0603-Template](https://www.flux.ai/vasy_skral/led-0603-template.md) - Manufacturer Part Number: XL-1608UGC-04 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LORA_R — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Part Type: Switch - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### PROG — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - Part Type: Connector - Manufacturer Part Number: X6511WV-03H-C60D30 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### Q1 — [ZXMP3A13FTA](https://www.flux.ai/vasyl/zxmp3a13fta.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Diodes Incorporated - Datasheet URL: https://www.diodes.com/assets/Datasheets/ZXMP3A13F.pdf - Manufacturer Part Number: ZXMP3A13FTA - Part Type: Single FETs, MOSFETs **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### RST — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### U1 — [LoRa-E5 (STM32WLE5JC)](https://www.flux.ai/vasyl/lora-e5-stm32wle5jc.md) - Manufacturer Part Number: 317990687 - Manufacturer Name: Seeed Technology Co., Ltd - Part Type: RF Transceiver Module - Datasheet URL: https://files.seeedstudio.com/products/317990687/res/LoRa-E5%20module%20datasheet_V1.0.pdf **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] ### U2 — [XC6220B331MR-G](https://www.flux.ai/adrian95/xc6220b331mr-g.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: XC6220B331MR-G - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.octopart.com/XC6220B331MR-G-Torex-datasheet-8815900.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CE [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U3 — [W25Q32RVXHJQ](https://www.flux.ai/vasy_skral/w25q32rvxhjq.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: W25Q32RVXHJQ - Manufacturer Name: Winbond Electronics - Datasheet URL: https://www.winbond.com/hq/support/documentation/downloadV2022.jsp?__locale=en&xmlPath=/support/resources/.content/item/DA00-W25Q32RV_1.html&level=1 **Pins:** - ~CS [pin 1] - ~HOLD_OR_~/RESET_(IO3) [pin 7] - ~WP_(IO2) [pin 3] - CLK [pin 6] - DI_(IO0) [pin 5] - DO_(IO1) [pin 2] - EP [pin 9] - VCC [pin 8] - VSS [pin 4] ### U4 — [RP2350A](https://www.flux.ai/vasy_skral/rp2350a.md) - Datasheet URL: https://cdn2.flux.ai/copilot-datasheets/pdf-upload-42b1ac17fa99447872bb75334a75d2fe3396182f51790cdbf9b88e022ed43904/e095863baea4b32fe411f947dac8ff446ed7060b942529871db787c2bbf56cd5.pdf?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4876807598&Signature=N6C%2B7Ij%2Bsb7nb%2B%2BnSnRmIw2ZOtlHL2eSZA2EHgRDt4qhFGvMGzMuS%2F7On6FEvLOjojVr58pykv3TnGNPoM5%2F6NNKbCE1bUk6bTdx3MQPrcyzBRNhaA3eTRGtRO%2B7jf3HCeY5%2F31EPjYorHW%2FqfJ4rgwk8bHFyi%2B28GzFryKagSlDWnmxDwS9oLRqGmlbiTv1it2zpFZbaRnKEgGNgzMK45JjkKBOGRE6v2ZKBieaz9XRB2XFFkx7tSp%2B7%2B0tlpzpadDKXcpxgzpr3vyxwCRc%2FK2PACmlUiKL6jhyR9tLyy7CsUPe9cB8946GLCpQyA8Z7y52blkbps%2FnseMpsq1UPQ%3D%3D - Package or Case Code: QFN40P700X700X90-61N - Compliance: RoHS,REACH,Conflict Minerals - Part Type: Microcontroller - Symbol Style: Parametric - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Raspberry Pi Ltd - Manufacturer Part Number: RP2350A **Pins:** - ADC_AVDD [pin 44] - DVDD [pin 39] - DVDD [pin 6] - DVDD [pin 23] - GND [pin 61] - GPIO0 [pin 2] - GPIO1 [pin 3] - GPIO10 [pin 14] - GPIO11 [pin 15] - GPIO12 [pin 16] - GPIO13 [pin 17] - GPIO14 [pin 18] - GPIO15 [pin 19] - GPIO16 [pin 27] - GPIO17 [pin 28] - GPIO18 [pin 29] - GPIO19 [pin 31] - GPIO2 [pin 4] - GPIO20 [pin 32] - GPIO21 [pin 33] - GPIO22 [pin 34] - GPIO23 [pin 35] - GPIO24 [pin 36] - GPIO25 [pin 37] - GPIO26_ADC0 [pin 40] - GPIO27_ADC1 [pin 41] - GPIO28_ADC2 [pin 42] - GPIO29_ADC3 [pin 43] - GPIO3 [pin 5] - GPIO4 [pin 7] - GPIO5 [pin 8] - GPIO6 [pin 9] - GPIO7 [pin 10] - GPIO8 [pin 12] - GPIO9 [pin 13] - IOVDD [pin 1] - IOVDD [pin 38] - IOVDD [pin 30] - IOVDD [pin 11] - IOVDD [pin 45] - IOVDD [pin 20] - QSPI_IOVDD [pin 54] - QSPI_SCLK [pin 56] - QSPI_SD0 [pin 57] - QSPI_SD1 [pin 59] - QSPI_SD2 [pin 58] - QSPI_SD3 [pin 55] - QSPI_SS [pin 60] - RUN [pin 26] - SWCLK [pin 24] - SWDIO [pin 25] - USB_DM [pin 51] - USB_DP [pin 52] - USB_OTP_VDD [pin 53] - VREG_AVDD [pin 46] - VREG_FB [pin 50] - VREG_LX [pin 48] - VREG_PGND [pin 47] - VREG_VIN [pin 49] - XIN [pin 21] - XOUT [pin 22] ### U5 — [SHT31-DIS-B2.5KS](https://www.flux.ai/vasyl/sht31-dis-b25ks.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Sensirion%20PDFs/HT_DS_SHT3x_DIS.pdf - Manufacturer Part Number: SHT31-DIS-B2.5KS - Part Type: Integrated Circuit - Manufacturer Name: Sensirion AG **Pins:** - ~RESET [pin 6] - ADDR [pin 2] - ALERT [pin 3] - R [pin 7] - SCL [pin 4] - SDA [pin 1] - VDD [pin 5] - VSS [pin 9] - VSS [pin 8] ### USER — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### VBAT — [B2B-XH-A(LF)(SN)](https://www.flux.ai/adrian95/b2b-xh-alfsn.md) - Manufacturer Part Number: B2B-XH-A(LF)(SN) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### VIN — [B2P-VH(LF)(SN)](https://www.flux.ai/adrian95/b2p-vhlfsn.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B2P-VH(LF)(SN) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eVH.pdf - Part Type: Connector - Manufacturer Name: JST Sales America Inc. **Pins:** - P1 [pin 1] - P2 [pin 2] ### Y1 — [0900AT43A0070E](https://www.flux.ai/jecstronic/0900at43a0070e.md) - Manufacturer Part Number: 0900AT43A0070E - Manufacturer Name: Johanson Technology - Datasheet URL: https://www.mouser.com/datasheet/2/611/0900AT43A0070-1519105.pdf - Part Type: Antenna - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - FEED [pin 1] - NC [pin 2] ### Y2 — [ABM8-272-T3](https://www.flux.ai/vasy_skral/abm8-272-t3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Oscillator - Manufacturer Name: Abracon LLC - Frequency: 12MHz - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6128/ABM8-272-T3.pdf - Manufacturer Part Number: ABM8-272-T3 **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/lora-logger](https://www.flux.ai/vasy_skral/lora-logger).* --- *Generated from [https://www.flux.ai/vasy_skral/lora-logger](https://www.flux.ai/vasy_skral/lora-logger)*