2 layers36 × 100 mm
Eleph
FeruzTopalov/eleph
GPS-based local relative navigation system for group of up to 6 members
56 parts24GPL-3.0
2 layers99 × 93.5 mm
Esp32-rfm gateway
CalinRadoni/pax-GatewayThe purpose of this gateway is to either:
- Size
- 99 × 93.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 91
- Nets
- 52
- Pads
- 267
- Tracks, vias
- 655, 111
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Feb 2020
- Updated
- 16 Feb 2026
Overview
Esp32-rfm gateway is an open-source printed circuit board by CalinRadoni, from the CalinRadoni/pax-Gateway repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 99 × 93.5 mm with 91 parts on 52 nets, routed with 655 tracks and 111 vias.
It is built around the IRM-10-5, RFM9X and HDC1080DMBR, with the TLV379IDBV, TLV62569DBV and BD48K30G-TL among its other parts. Its parts include 19 capacitors, 19 resistors, 16 connectors, 10 ICs and 8 diodes. It belongs with the radio and wireless and home automation and IoT boards and the ESP32 boards of this library.
Main components
8
IRM-10-5
--、-、-、- 2A 5V、5V、5V 85-305VAC、120-430VDC - Power Module/Power Supply ROHSMWPower Supply Module,Power Supplies
RFM9X
Low Power Long Range Transceiver ModuleHopeRF ElectronicUncategorised
HDC1080DMBR
WSON-6(3x3)-40℃~+125℃ 0%RH~100%RH 1.3uA 14bit 2.7V~5.5V I2C ±0.2℃ ±2%RH WSON-6(3x3) Temperature and Humidity Sensor ROHSTexas InstrumentsTemperature And Humidity Sensor
TLV379IDBV
SOT-23-5-2.75V~-900mV、900mV~2.75V -40℃~+125℃ 1 1.8V~5.5V 100dB 28kHz 3uV/℃ 4uA 5mA 5pA 5pA 600V/ms 800uV 83nV/√Hz@1kHz Built-in compensation、ESD protection Rail-to-Rail Input, Rail-to-Rail Output SOT-23-5 Operational Amplifier ROHSTexas InstrumentsOperational AmplifierTLV62569DBV
SOT-23-5-40℃~+125℃@(TJ) 1 1.5MHz 2.5V~5.5V 2A 600mV~5.5V Adjustable Buck Buck Built-in Yes SOT-23-5 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
BD48K30G-TL
SSOP-3-40℃~+105℃@(Ta) 1 100us 3V 900nA 950mV Active Low Open Drain Voltage Detector SSOP-3 Supervisor and Reset ICs ROHSROHM SemiconductorSupervisor And Reset ICsBC817
SOT-231 NPN 100nA 150MHz 300mW 40 45V 500mA 5V 700mV NPN SOT-23 Bipolar (BJT) ROHSShikuesBipolar (BJT)IRLML2244
SOT-23MOSFETsLeiditech
README
README.mdESP32 RFM69HCW / RFM95/96/97/98(W) Gateway
The purpose of this gateway is to either:
- connect a RFM69-based network to Wi-Fi
- connect a LoRa™ transceiver to Wi-Fi
The gateway was designed for power efficiency without sacrificing functionality.
Status: (this is work in progress !)
Features
- the core is a ESP32-WROOM-32x Wi-Fi+BT+BLE module
- RFM69HCW or RFM95/96/97/98(W) module
- Li-Ion / Li-Polymer battery charger
- Li-Ion / Li-Polymer backup battery with 18650 or 14500 sockets
- high efficiency synchronous buck converter
- supply voltage supervisor
- 4 LEDs for status
- humidity and temperature sensor
- placeholder for ATSHA204A, ATECC508A or ATECC608A IC
- (optional) boot mode selection using DTR and RTS signal
Software
The code dedicated to this board is not yet built.
Development Environment
Operating system is Debian
Tools:
Versions
Version 1
- Fab files are moved to the Fab-v1 directory
- The PCBs from SeeedStudio arrived
- Most components are sourced
- I should build some boards
- I should start to write some software
License
The software and documentation are released under the GNU GPLv3 License. See the LICENSE-GPLv3.txt file.
The hardware schematics are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. See the LICENSE-CC-BY-SA-4.0.txt file.
About RFM modules
RFM69
From it's datasheet:
The RFM69HCW is a transceiver module capable of operation over a wide frequency range, including the 315,433,868 and 915MHz license-free ISM (Industry Scientific and Medical) frequency bands.
All major RF communication parameters are programmable and most of them can be dynamically set. The RFM69HCW offers the unique advantage of programmable narrow-band and wide- band communication modes.
The RFM69HCW is optimized for low power consumption while offering high RF output power and channelized operation. Compliance ETSI and FCC regulations.
RFM95/96/97/98(W)
From it's datasheet:
The RFM95/96/97/98(W) incorporates the LoRa TM spread spectrum modem which is capable of achieving significantly longer range than existing systems based on FSK or OOK modulation.
[...] Another benefit of the spread modulation is that each spreading factor is orthogonal - thus multiple transmitted signals can occupy the same channel without interfering. This also permits simple coexistence with existing FSK based systems.
Standard GFSK, FSK, OOK, and GMSK modulation is also provided to allow compatibility with existing systems or standards such as wireless MBUS and IEEE 802.15.4g.
Parts
91| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 100nF | CalinGeneric:C0805HS | C1, C2, C5, C6, C22, C26, C30, C32, C40, C41 |
| 5 | 10k | CalinGeneric:R0805HS | R1, R25, R26, R40, R41 |
| 5 | 10uF | CalinGeneric:C0805HS | C3, C10, C20, C21, C31 |
| 5 | LED | CalinGeneric:LED0805HS | D1, D10, D11, D12, D13 |
| 4 | 100 | CalinGeneric:R0805HS | R10, R11, R12, R13 |
| 4 | Hole | CalinGeneric:HoleNPT-M2.5 | H1, H2, H3, H4 |
| 4 | LightPipe | CalinGeneric:SLP3-xxx-150-x | SYM10, SYM11, SYM12, SYM13 |
| 4 | ph_1x2 | CalinConnectors:Pin_Header_Straight_1x02 | J1, J2, J21, J40 |
| 3 | 2k2 | CalinGeneric:R0805HS | R3, R4, R20 |
| 3 | ph_1x4 | CalinConnectors:Pin_Header_Straight_1x04 | J4, J5, J7 |
| 2 | 2M | CalinGeneric:R0805HS | R22, R23 |
| 2 | 330 | CalinGeneric:R0805HS | R2, R29 |
| 2 | BC817 | CalinGeneric:SOT-23 | Q40, Q41 |
| 2 | High Voltage ! | CalinGeneric:Symbol_HighVoltage_SilkS | SYM3, SYM4 |
| 1 | 100k 1% | CalinGeneric:R0805HS | R28 |
| 1 | 100nF-NC | CalinGeneric:C0805HS | C4 |
| 1 | 100pF | CalinGeneric:C0805HS | C25 |
| 1 | 10uF/10V/1mOhm | CalinGeneric:C0805HS | C23 |
| 1 | 2.2uH | CalinGeneric:ASPI-0530HI | L21 |
| 1 | 220V~ | CalinConnectors:THT_Pins_Big_1x3 | J20 |
| 1 | 22uF/6.3V/1mOhm | CalinGeneric:C0805HS | C24 |
| 1 | 330-NC | CalinGeneric:R0805HS | R21 |
| 1 | 442k 1% | CalinGeneric:R0805HS | R27 |
| 1 | AT_CryptoAuth | CalinGeneric:SOIC-8-HS | U40 |
| 1 | AntSMA | CalinConnectors:SMA-90 | J30 |
| 1 | Antenna 868MHz | CalinGeneric:VirtualFootprint | SYM6 |
| 1 | B340AE-13 | CalinGeneric:SMA-HS | D21 |
| 1 | BD48K30 | CalinGeneric:SOT-23-HS | U2 |
| 1 | BD49K35 | CalinGeneric:SOT-23-HS | U22 |
| 1 | ESP-WROOM-32xxx-16 | CalinGeneric:ESP-WROOM-32-HandSolder | U1 |
| 1 | ESP32-RFM-Gateway | CalinGeneric:ValueAsText | SYM5 |
| 1 | Enclosure | CalinGeneric:VirtualFootprint | SYM9 |
| 1 | HDC1080DMB | CalinGeneric:WSON6-TI-HDC-HS | U41 |
| 1 | HolePlated | CalinConnectors:SMD_Pins_Big_1x1 | H5 |
| 1 | IRLML2244 | CalinGeneric:SOT-23-GSD-HS | Q20 |
| 1 | IRM-10-5 | CalinGeneric:IRM222A | U20 |
| 1 | LED Green | CalinGeneric:LED0805HS | D29 |
| 1 | LED-NC | CalinGeneric:LED0805HS | D20 |
| 1 | MCP73832T-2ACI | CalinGeneric:SOT-23-5-HS | U21 |
| 1 | Open Source Hardware | CalinGeneric:OSHW-Logo_SilkS | SYM2 |
| 1 | RFM9x | CalinGeneric:RFM69HCW | U30 |
| 1 | TLV379IDBV | CalinGeneric:SOT-23-5-HS | U24 |
| 1 | TLV62569DBV | CalinGeneric:SOT-23-5-HS | U23 |
| 1 | ph_1x2 | CalinConnectors:Pin_Header_Angled_1x02 | J25 |
| 1 | ph_1x3 | CalinConnectors:Pin_Header_Straight_1x03_Cyan | J3 |
| 1 | ph_1x3 | CalinConnectors:Pin_Header_Angled_1x03 | J24 |
| 1 | ph_1x3 | CalinConnectors:Pin_Header_Straight_1x03_Yellow | J6 |
| 1 | ph_1x6 | CalinConnectors:Pin_Header_Straight_1x06 | J8 |
| 1 | s14500 | CalinConnectors:BattHolder-AA-PCB | J22 |
| 1 | s18650 | CalinConnectors:KEYS-1043 | J23 |
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Questions
How big is the Esp32-rfm gateway PCB?
It measures 99 × 93.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Esp32-rfm gateway use?
91 parts, built around the IRM-10-5, RFM9X, HDC1080DMBR and TLV379IDBV. 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 Esp32-rfm gateway KiCad files?
From the CalinRadoni/pax-Gateway repository on GitHub, at the commit this page was made from: the board is HW/esp32-rfm-gateway.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esp32-rfm gateway design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).