LoRa board
About the LoRa board
LoRa board is an open source AVR/Arduino PCB design by Open-Things-Network, published on GitHub under the MIT license. It is a 2-layer board measuring 32 × 96.8 mm, with 27 components from 21 distinct parts.
Its main chip is the ARDUINO, from the AVR/Arduino family. Other key parts include the TS2940-3.3 and MCP73831-2-OT. By type, the board carries 13 resistors, 4 connectors, 4 capacitors, 2 ICs and 2 transistors.
It belongs with the rf & radio, iot & wireless and dev boards & breakouts designs in this gallery.
From the project
Uniwersalna platforma sprzętowa na warsztaty i do prototypowania
Zmiany w stosunku do płytki w wersji v1.0: poprawiony sposób montażu elementu Q2, zmiana opisu włącznika (element SW1).
Main components on the LoRa board
LoRa board bill of materials (BOM)
27 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TS2940-3.3 | SOT-223 | U2 |
| 1 | MCP73831-2-OT | SOT-23-5 | U3 |
| 1 | BC817 | SOT-23 | Q1 |
| 1 | DMG2301L | SOT-23 | Q2 |
| 1 | U.FL | HRS_U.FL-R-SMT-1(10) | J2 |
| 1 | UART | PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Left | J3 |
| 1 | I2C | PinHeader_2x04_P2.54mm_Vertical_SMD | J4 |
| 1 | ICSP | CON_SMD_01x05 | J5 |
| 1 | ARDUINO | ARDUINO_PRO_MINI | B1 |
| 1 | RFM95W | XCVR_RFM95W-868S2 | RFM95W |
| 2 | 4,7uF | C_1206_3216Metric | C1, C4 |
| 1 | 100nF | C_1206_3216Metric | C2 |
| 1 | 22uF | CP_EIA-3216-18_Kemet-A | C3 |
| 1 | 4k | R_1206_3216Metric | R1 |
| 4 | 10k | R_1206_3216Metric | R2, R3, R7, R12 |
| 3 | 1k | R_1206_3216Metric | R4, R8, R9 |
| 1 | 100k | R_1206_3216Metric | R5 |
| 1 | 33k | R_1206_3216Metric | R6 |
| 1 | 470 | R_1206_3216Metric | R10 |
| 1 | 51 | R_1206_3216Metric | R11 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RN2483 | RM095 | RN2483 |
LoRa board design files
The KiCad project lives in the Open-Things-Network/lora-dev-board repository on GitHub; these links point at the commit this page was built from.
LoRa board: common questions
What microcontroller does the LoRa board use?
The LoRa board is built around the ARDUINO, from the AVR/Arduino family.
How big is the LoRa board?
The LoRa board measures 32 × 96.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LoRa board?
27 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the LoRa board design files?
From the Open-Things-Network/lora-dev-board repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the LoRa board design in my own project?
Yes, under the terms of its MIT license, which Open-Things-Network chose for the repository.
Can I test firmware for the LoRa board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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