# LR2021 dev ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** minhojiddin-technology-defence - **Created:** 6/20/2026 - **Last Updated:** 7/1/2026 - **Visibility:** Public ## Key Components ### 3.3V — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### BUSY — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### D1 — [PESD0402-140](https://www.flux.ai/adrian95/pesd0402-140~9y4.md) - Manufacturer Part Number: PESD0402-140 - Datasheet URL: https://www.littelfuse.com/~/media/electronics/product_specifications/polymer_esd_suppressors/littelfuse_polymer_esd_suppressor_pesd0402_140_product_specification.pdf.pdf - Part Type: Diode - Manufacturer Name: Littelfuse Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### D11 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### D2 — [PESD0402-140](https://www.flux.ai/adrian95/pesd0402-140~9y4.md) - Manufacturer Part Number: PESD0402-140 - Datasheet URL: https://www.littelfuse.com/~/media/electronics/product_specifications/polymer_esd_suppressors/littelfuse_polymer_esd_suppressor_pesd0402_140_product_specification.pdf.pdf - Part Type: Diode - Manufacturer Name: Littelfuse Inc. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### D7 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### D8 — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### GND — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### IC1 — [LR2021IMLTRT](https://www.flux.ai/adrian95/lr2021imltrt.md) - Symbol Style: parametric-v1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/15421313c1244a517811d7659655150716969c4094446b47f669b5910637d162.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Semtech - Part Type: Integrated Circuits - Manufacturer Part Number: LR2021IMLTRT **Pins:** - ~{RESET} [pin 20] - BUSY [pin 25] - DIO10 [pin 8] - DIO11 [pin 7] - DIO5 [pin 19] - DIO6 [pin 18] - DIO7 [pin 11] - DIO8 [pin 10] - DIO9 [pin 9] - EP [pin 0] - GND [pin 30] - GND_DCC [pin 15] - LXA [pin 16] - LXB [pin 14] - MISO [pin 21] - MOSI [pin 22] - NSS [pin 24] - NTC [pin 3] - RFI_HF [pin 31] - RFI_LF [pin 29] - RFO_HF [pin 32] - RFO_LF1 [pin 28] - RFO_LF2 [pin 27] - SCK [pin 23] - VBAT [pin 17] - VDCC1 [pin 12] - VDCC2 [pin 26] - VPAX1 [pin 13] - VPAX2 [pin 2] - VR_PA [pin 1] - VTCXO/VNTC [pin 6] - XTA [pin 4] - XTB [pin 5] ### J1 — [IPXSM66AL](https://www.flux.ai/vasy_skral/ipxsm66al~kbt.md) - Manufacturer Name: Lighthorse Technologies, Inc - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://eu.mouser.com/datasheet/2/398/RECE_20279_001E_01-2005154.pdf - Manufacturer Part Number: IPXSM66AL (I-PEX P/N 20279-001E-03) **Pins:** - GND [pin 2] - GND [pin 3] - Signal [pin 1] ### J2 — [IPXSM66AL](https://www.flux.ai/vasy_skral/ipxsm66al~kbt.md) - Datasheet URL: https://eu.mouser.com/datasheet/2/398/RECE_20279_001E_01-2005154.pdf - Manufacturer Part Number: IPXSM66AL (I-PEX P/N 20279-001E-03) - Part Type: Connector - Manufacturer Name: Lighthorse Technologies, Inc - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 2] - GND [pin 3] - Signal [pin 1] ### MISO — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] ### MOSI — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### NRESET — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### NSS — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### SCK — [Pin Header 01x01 2.54mm Vertical - Circular Pad](https://www.flux.ai/markwuflux/pin-header-01x01-2p54mm-vertical-circular-pad~vp.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] ### X1 — [NX2016SA-32MHZ-STD-CZS-5](https://www.flux.ai/lcsc/nx2016sa-32mhz-std-czs-5~t0lw.md) - Package or Case Code: OSC-SMD_4P-L2.0-W1.6-BL - JLCPCB Part Class: Extended Part - LCSC Part Number: C843260 - Manufacturer Name: NDK - Datasheet URL: https://www.lcsc.com/datasheet/C843260.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RZUVxURFFcUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: Crystals - Manufacturer Part Number: NX2016SA-32MHZ-STD-CZS-5 **Pins:** - 1 [pin 1] - 3 [pin 3] - GND [pin 4] - GND [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/minhojiddin-technology-defence/lr2021-dev~mz](https://www.flux.ai/minhojiddin-technology-defence/lr2021-dev~mz).* --- *Generated from [https://www.flux.ai/minhojiddin-technology-defence/lr2021-dev~mz](https://www.flux.ai/minhojiddin-technology-defence/lr2021-dev~mz)*