LoRa-V3
About the LoRa-V3 PCB
LoRa-V3 is an open source PCB design by Strooom, published on GitHub under the MIT license. It is a 2-layer board measuring 62 × 50 mm, with 74 components from 36 distinct parts.
Other key parts include the 114993121, CP2102N-A02-GQFN24R, USBLC6-2SC6, BQ25504RGTR and BR24G1MFVT-5AE2. By type, the board carries 27 capacitors, 20 resistors, 9 ICs, 4 transistors, 3 diodes and 2 switches.
It belongs with the rf & radio designs in this gallery.
From the project
Design files for the MuMo datalogger, a LoRaWAN based open source datalogger solution for musea.
Main components on the LoRa-V3
LoRa-V3 bill of materials (BOM)
74 components, 36 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 114993121 SeeedStudio Wio-E5-LE-HF | LoRa-E5 | IC1 |
| 1 | CP2102N-A02-GQFN24R CP2102N-Axx-xQFN24 | QFN24-CP2102N | IC2 |
| 1 | USBLC6-2SC6 | SOT-23-6L-USBLC6-2 | IC3 |
| 1 | BQ25504RGTR | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm_ThermalVias | IC4 |
| 4 | BR24G1MFVT-5AE2 | BR24G1M-TSSOP-B8 | IC8, IC9, IC10, IC11 |
| 1 | MCP73123T-22SI/MF | DFN10_MCP73123 | IC12 |
| 1 | PJC7400_R1_00001 | SOT-323_PJC7400 | Q1 |
| 3 | SI2367DS-T1-GE3 Si2367DS | SI2367DS-SOT-23 | Q2, Q3, Q4 |
| 1 | 217179-0001 | Molex-2171790001 | CONN1 |
| 1 | 2460 AA Batteryholder for LiFePO4 battery | BAT_2460 | CONN2 |
| 1 | SM04B-SRSS-TB(LF)(DN)(P) | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | CONN3 |
| 1 | 73391-0080 | Molex 73391-0080 | CONN5 |
| 1 | 2-1734839-4 | TE_2-1734839-4_1x24-1MP_P0.5mm_Horizontal | CONN6 |
| 1 | BC075-08-A-L-A Sensors | GCT_BC075-08-A-L-A | CONN7 |
| 1 | NA | SolderJumper-2_P1.3mm_Bridged2Bar_Pad1.0x1.5mm | JP1 |
| 1 | 434331045822 | Wurth-4343X10458XX | SW1 |
| 1 | SLLB510100 | SLLB510100 | SW2 |
| 3 | MSS1P3HM3_A/H | MSS1P3 | D1, D2, D3 |
| 1 | VLS3010CX-470M-1 47uH | L_TDK_VLS3010CX | L1 |
| 1 | VLS3010CX-220M-1 22 uH | L_TDK_VLS3010CX | L2 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 8 | CGA3E2X7R1E104K080AA 100nF | C_0603_nominal | C1, C2, C5, C6, C7, C8, C9, C10 |
| 8 | CL21B475KPFNFNE 4.7uF | C_0805 | C11, C12, C13, C14, C15, C16, C17, C18 |
| 3 | CL21B106KPQNNWE 10uF | C_0805 | C25, C26, C27 |
| 8 | CGA3E1X7R1E105K080AC 1uF | C_0603_nominal | C30, C31, C32, C33, C34, C35, C36, C37 |
| 1 | ERJ-3RQJ2R2V | R_0603_nominal | R1 |
| 1 | RC0603FR-071M69L 1M69 | R_0603_nominal | R2 |
| 1 | SR0603JR-071KL 1K | R_0603_nominal | R3 |
| 6 | AC0603DR-075K1L 5K1 | R_0603_nominal | R5, R6, R7, R8, R9, R10 |
| 2 | CRCW06035M36FKEA 5M36 | R_0603_nominal | R11, R21 |
| 1 | CR0603-JW-103ELF 10K | R_0603_nominal | R12 |
| 1 | AC0603FR-0722K1L 22K1 | R_0603_nominal | R13 |
| 2 | RC0603FR-074M75L 4M75 | R_0603_nominal | R14, R20 |
| 1 | AC0603FR-0747K5L 47K5 | R_0603_nominal | R15 |
| 2 | AC0603JR-07330KL 330K | R_0603_nominal | R17, R18 |
| 1 | RC0603FR-078M45L 8M45 | R_0603_nominal | R19 |
| 1 | RC0603FR-7W330RL 330 | R_0603_nominal | R23 |
LoRa-V3 design files
The KiCad project lives in the Strooom/LoRa-V3-PCB repository on GitHub; these links point at the commit this page was built from.
- LayoutLoRa-V3-PCB.kicad_pcb
- SchematicLoRa-V3-PCB.kicad_sch
- BOMoutputs/bom/kicost-bom.xlsx
LoRa-V3: common questions
How big is the LoRa-V3 PCB?
The LoRa-V3 measures 62 × 50 mm, has 2 copper layers and is 1.67 mm thick.
How many components are on the LoRa-V3?
74 components, from 36 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the LoRa-V3 design files?
From the Strooom/LoRa-V3-PCB repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the LoRa-V3 design in my own project?
Yes, under the terms of its MIT license, which Strooom chose for the repository.
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