2 layers90 × 37 mm
6 layers144.8 × 106.7 mm
Loriques
skot/Loriques17A solar powered Meshtastic LoRa gateway
- Size
- 144.8 × 106.7 mm
- Copper layers
- 6
- Thickness
- 1.6 mm
- Parts
- 122
- Nets
- 97
- Pads
- 450
- Tracks, vias
- 688, 674
- Pours
- 35
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 12 Jul 2025
- Updated
- 13 Jul 2025
Overview
Loriques is an open-source printed circuit board by skot, from the skot/Loriques repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 6-layer board of 144.8 × 106.7 mm with 122 parts on 97 nets, routed with 688 tracks and 674 vias.
It is built around the E22-900M30S, ESP32-S3-WROOM-1-N8 and MCP73871EV, with the SN74LVC244AN, HDC3020DEFR and TPS22975DSG among its other parts. Its parts include 42 capacitors, 29 resistors, 11 ICs, 4 diodes and 4 connectors. It belongs with the radio and wireless and power boards and the ESP32 boards of this library.
Main components
12
E22-900M30S
SMD,38.5x24mm-151dBm 12km 14mA 2.5V~5.5V 31dBm 650mA Continuous frequency coverage IPEX interface LoRa SPI SMD,38.5x24mm LoRa Modules ROHSChengdu Ebyte Elec TechLoRa Modules
ESP32-S3-WROOM-1-N8
SMD,25.5x18mm-40℃~+85℃ -98.2dBm 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA Bluetooth5.0 ESP32-S3 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi ModulesMCP73871EV
-ModulesMicrochip Technology
SN74LVC244AN
PDIP-20-40℃~+125℃ 1.65V~3.6V 2 24mA 24mA 3.9ns@3.3V,50pF 4 40uA 74LVC Tri-State Unidirectional PDIP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
HDC3020DEFR
WSON-8(2.5x2.5)-40℃~+125℃ 0%RH~100%RH 1.62V~5.5V 16bit 400nA Built-in heater、Low power drive measurement、Drift/aging compensation I2C ±0.1℃ ±0.5%RH WSON-8(2.5x2.5) Temperature and Humidity Sensor ROHSTexas InstrumentsTemperature And Humidity Sensor
TPS22975DSG
WSON-8-EP(2x2)-40℃~+105℃ 1 16mΩ 600mV~5.7V 6A Active High Load Switch Over Temperature Protection WSON-8-EP(2x2) Power Distribution Switches ROHSTexas InstrumentsPower Distribution Switches
MAX17263LETD+T
TDFN-14(3x3)-40℃~+85℃ 2.3V~4.9V 3.3V 4.2V 500nA Charge termination、Over-discharge protection、Overcurrent Protection I2C Lithium Battery、LiFePO4 Battery Monitoring IC Not supported Support TDFN-14(3x3) Battery Management ROHSMaxim Integrated (Analog Devices)Battery Management
TPS2013AD
SOIC-8-40℃~+125℃ 1 1.5A 2.7V~5.5V 33mΩ Active Low High Side Switch Short-Circuit Protection(SCP)、Undervoltage Protection(UVP)、Overtemperature protection (OTP) SOIC-8 Power Distribution Switches ROHSTexas InstrumentsPower Distribution Switches
YFF31HC2A104MT000N
SMD-4P,3.2x1.6mm-55℃~+125℃ SMD-4P,3.2x1.6mm Feed Through Capacitors ROHSTDKFeed Through Capacitors
SMAJ5.0A
DO-214AC(SMA)-65℃~+150℃ 400W@10/1000us 43.5A 5V 7V 800uA 9.2V TVS Unidirectional DO-214AC(SMA) ESD and Surge Protection (TVS/ESD) ROHSMDDESD And Surge Protection (TVS/ESD)
MBR120VLSF
SOD-123FL-65℃~+125℃ 1 Independent 1A 20V 300mV@1A 45A 600uA@20V SOD-123FL Schottky Diodes ROHSonsemiSchottky DiodesMS288-10F
-- Connector Accessories ROHSMasachConnector Accessories
README
README.md
Loriques is a solar powered Meshtastic LoRa gateway. Warning: Loriques is very much a work in progress.
- Designed to work with a small 6V solar panel. Like the Voltaic 6 Watt Panel
- EBYTE E22-900M30S 30dBm LoRa tranciever
- Untested; I picked this because it's in the Meshtastic supported LoRa ISM band, and it has one of the highest listed output power of LoRa modules.
- Selecting a good high-gain antenna for this module is TBD.
- ESP32S3 WiFi and BLE SoC
- OLED Display
- Holders for three 18650 Lithium Ion batteries
- MCP73871 Solar charge controller
- Optimized for solar charging and load sharing, but not a "true MPPT" controller. More info from Adafruit
- MAX17263 Battery fuel Guage
- HDC3020 Temperature and humidity sensor
- This is helpful for monitoring how waterproof your outdoor enclosure is.
- Very low noise, filtered 3.3V voltage regulator
- PCB designed to fit into the Polycase ML-46F Outdoor NEMA Enclosure
- ESP32 Firmware is not started yet!
- There are some big challenges here, like getting the ESP32S3 and it's radios in, and out of a low power state.
Parts
122| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | TEST-POINT3X5 | TestPoint:TestPoint_Pad_D1.5mm | S_3V1, S_3V3, TP3, TP6, TP8, TP24, TP26, TP27, TP28, TP29, TP30, TP31, TP32 |
| 8 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C8, C26, C29, C30, C35, C48, C50, C63 |
| 7 | 1nF | Capacitor_SMD:C_0402_1005Metric | C40, C60, C69, C72, C73, C75, C76 |
| 6 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R18, R19, R20, R48, R49 |
| 6 | TestPoint | TestPoint:TestPoint_Pad_D1.5mm | TP1, TP2, TP4, TP5, TP7, TP9 |
| 5 | 10uF | Capacitor_SMD:C_0603_1608Metric | C1, C3, C5, C6, C22 |
| 5 | 1uF | Capacitor_SMD:C_0402_1005Metric | C34, C37, C39, C59, C61 |
| 4 | 10uF | Capacitor_SMD:C_1206_3216Metric | C41, C45, C46, C47 |
| 3 | 100k | Resistor_SMD:R_0402_1005Metric | R12, R32, R33 |
| 3 | 18650_1042 | Loriques:1042 | B1, B2, B3 |
| 3 | YFF31HC2A104MT000N | Loriques:YFF31HC2A104MT000N | FL1, FL2, FL3 |
| 2 | 182k | Resistor_SMD:R_0402_1005Metric | R34, R35 |
| 2 | 1uF | Capacitor_SMD:C_0603_1608Metric | C33, C38 |
| 2 | 22 | Resistor_SMD:R_0402_1005Metric | R16, R17 |
| 2 | 220uF | Capacitor_SMD:C_1210_3225Metric | C62, C64 |
| 2 | 5.1k | Resistor_SMD:R_0402_1005Metric | R2, R4 |
| 2 | BULLET | Loriques:NOTHING | BATTERY0, COVER0 |
| 2 | SMAJ5.0A | Diode_SMD:D_SMA | D2, D3 |
| 2 | SWITCH-SPST | Loriques:SW_CS1213AGF260_CRS | SW1, SW2 |
| 2 | TPS22975 | Loriques:WSON8 | IC12, IC19 |
| 1 | 0.47uF | Capacitor_SMD:C_0402_1005Metric | C25 |
| 1 | 1.1k | Resistor_SMD:R_0402_1005Metric | R37 |
| 1 | 1.54k | Resistor_SMD:R_0402_1005Metric | R15 |
| 1 | 100uF 6.3V | Capacitor_SMD:C_1812_4532Metric | C32 |
| 1 | 10k NTC | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 10m 0.5% | Resistor_SMD:R_1206_3216Metric | R36 |
| 1 | 10pF C0G | Capacitor_SMD:C_0402_1005Metric | C11 |
| 1 | 113k | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | 12pF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 1M | Resistor_SMD:R_0402_1005Metric | R39 |
| 1 | 1k | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 2.2uH | Loriques:IND_IHLP-2525CZ_VIS | L1 |
| 1 | 22uF | Capacitor_SMD:C_0805_2012Metric | C31 |
| 1 | 270 | Resistor_SMD:R_0402_1005Metric | R22 |
| 1 | 330 | Resistor_SMD:R_0402_1005Metric | R38 |
| 1 | 330k | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | 4700uF | Capacitor_THT:CP_Radial_D16.0mm_P7.50mm | C27 |
| 1 | 47pF C0G | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 47uF 10V | Capacitor_SMD:C_1812_4532Metric | C28 |
| 1 | 49.9k | Resistor_SMD:R_0402_1005Metric | R7 |
| 1 | 6.49k | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 680pF C0G | Capacitor_SMD:C_0402_1005Metric | C24 |
| 1 | 69.8k | Resistor_SMD:R_0402_1005Metric | R14 |
| 1 | 825k | Resistor_SMD:R_0402_1005Metric | R6 |
| 1 | CLV1L-FKB | Loriques:PLCC140P350X320X210-4 | LED0 |
| 1 | Conn_01x04 | Loriques:PinHeader_1x04_P2.54mm_Vertical_shifted | J4 |
| 1 | E22-900M30S | Loriques:E22-900M30S | U2 |
| 1 | ESP32-S3-WROOM-1 | Loriques:ESP32-S3-WROOM-1 | U1 |
| 1 | HDC3020DEFR | Loriques:DEF0008A-IPC_A | U3 |
| 1 | JST_4PIN | Loriques:JST-PH-4-SMT | J2 |
| 1 | LOGO | Loriques:loriques_logo | G*** |
| 1 | LP38691-ADJ | Loriques:SOT-223-5 | IC7 |
| 1 | LTC3113 | Loriques:SON50P400X500X80-17T244X434N | IC9 |
| 1 | MAX17263LETD+T | Loriques:SON40P300X300X80-15T170X230N | IC10 |
| 1 | MBR120VLSF | Loriques:SOD−123FL | D1 |
| 1 | MCP73871 | Loriques:QFN20-ML_4X4MM | IC2 |
| 1 | MS288-10F | Loriques:MS288-10F | S1 |
| 1 | SN74LVC244A | Loriques:R-PVQFN-N20 | IC6 |
| 1 | TC2030-IDC | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J3 |
| 1 | TPS2013A | Loriques:R-PDSO-G8_NOPAD | IC4 |
| 1 | USB_C_Receptacle_USB2.0 | Loriques:CONN_12402032E202A_AMP | J7 |
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Questions
How big is the Loriques PCB?
It measures 144.8 × 106.7 mm and has 6 copper layers, 1.6 mm thick.
What parts does the Loriques use?
122 parts, built around the E22-900M30S, ESP32-S3-WROOM-1-N8, MCP73871EV and SN74LVC244AN. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Loriques KiCad files?
From the skot/Loriques repository on GitHub, at the commit this page was made from: the board is Loriques.kicad_pcb and its schematic Loriques.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Loriques design in my own project?
Its repository publishes it under the CERN-OHL-S-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).