PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN)
jithinsisaac·LoRa-PV-RMS-SolarSurveil·PCB_WLR089U0_Board/LoRaPV_RMS_WLR089U0_Board.kicad_pcb
About the PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) PCB
PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) is an open source PCB design by jithinsisaac, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 68.1 × 70.7 mm, with 47 components from 30 distinct parts.
Other key parts include the WLR089U0-I_RM-SAMACSYS_PARTS, MCP73831, MCP1700-3302E_SOT23 and CH304E. By type, the board carries 15 resistors, 13 connectors, 7 capacitors, 5 diodes, 4 ICs and 1 transistor.
It belongs with the rf & radio and power & battery designs in this gallery.
From the project
IEEE SIGHT MTT-S funded project on Remote Energy Monitoring of Solar PV installations using LoRaWAN (Solar Surveil)
Student Team Members 1. Shreyas Kulkarni 2. Keith Barnes 3. Shreyas Kulkarni 4. Aparna Kulkarni
Faculty Team Members 1. Dr. Ashwini Kotrashetti 2. Tayyabali Sayyad 3. Gejo George 4. Freda Carvalho 5. Jithin Saji Isaac (Project Guide)
- All the source code required for PCB design, firmware development & web application development has been open sourced. Make maximum use of the same!

Main components on the PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN)
PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) bill of materials (BOM)
47 components, 30 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | WLR089U0-I_RM-SAMACSYS_PARTS WLR089U0-I_RM-SamacSys_Parts | WLR089U0IRM | IC1 |
| 1 | MCP73831 | SOT-23-5_HandSoldering | U1 |
| 1 | MCP1700-3302E_SOT23 | SOT-23 | U2 |
| 1 | CH304E | MSOP-10_3x3mm_P0.5mm | U3 |
| 1 | C10487 Q_PMOS_GSD | SOT-23 | Q1 |
| 1 | C319134 Barrel_Jack_Switch | BarrelJack_CLIFF_FC681465S_SMT_Horizontal | J1 |
| 1 | AUDIOJACK4 AudioJack4 | Jack_3.5mm_PJ320D_Horizontal | J2 |
| 1 | C395868 SHUNT | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J3 |
| 7 | CONN_01X02_MALE Conn_01x02_Male | PinHeader_1x02_P2.54mm_Vertical | J4, J5, J7, J9, J10, J11, J12 |
| 1 | USB_B_Micro | MicroUSB-LCSC-C21377-Sunrom-4358 | J6 |
| 1 | SCREW_TERMINAL_01X02 Screw_Terminal_01x02 | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J8 |
| 1 | CONN_ARM_JTAG_SWD_10 Conn_ARM_JTAG_SWD_10 | PinHeader_2x05_P1.27mm_Vertical | J13 |
| 1 | C265283 Battery_Cell | JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | BT1 |
| 1 | SW_Push | Tactile Switch 3x4x2mm | SW1 |
| 1 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 2 | C8598 DIODE_SCHOTTKY | D_SOD-123 | D2, D5 |
| 1 | C2296 Red | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D3 |
| 1 | C2296 Green | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 2 | 10UF 10uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2 |
| 2 | 4.7UF 4.7uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3, C4 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1UF 1uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C5, C6 |
| 1 | 100N 100n | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C7 |
| 1 | 18 | R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1 |
| 3 | 100K 100k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R2, R11, R14 |
| 1 | 6.8K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R3 |
| 4 | 470K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R4, R5, R6, R7 |
| 1 | 470 | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R8 |
| 2 | 10K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R9, R10 |
| 2 | 1k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R12, R13 |
| 1 | 22K 22k | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R15 |
PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) design files
The KiCad project lives in the jithinsisaac/LoRa-PV-RMS-SolarSurveil repository on GitHub; these links point at the commit this page was built from.
PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN): common questions
How big is the PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) PCB?
The PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) measures 68.1 × 70.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN)?
47 components, from 30 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 PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) design files?
From the jithinsisaac/LoRa-PV-RMS-SolarSurveil repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the PV Energy Monitoring using Microchip WLR089U0 (LoRaWAN) design in my own project?
Yes, under the terms of its GPL-3.0 license, which jithinsisaac chose for the repository.
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