GMote ARM Version
hackdaworld·gmote·pcb/arm/pcb_arm.kicad_pcb
About the GMote ARM Version PCB
GMote ARM Version is an open source STM32 PCB design by hackdaworld, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 27.2 × 37.6 mm, with 21 components from 12 distinct parts.
Its main chip is the STM32F051K8Tx, from the STM32 family. Other key parts include the RFM95W-868S2. By type, the board carries 6 connectors, 5 capacitors, 5 resistors, 3 jumpers and 2 ICs.
From the project
Generic LoRaWAN Node

Main components on the GMote ARM Version
GMote ARM Version bill of materials (BOM)
21 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RFM95W-868S2 | HOPERF_RFM9XW_SMD | U1 |
| 1 | STM32F051K8Tx | LQFP-32_7x7mm_P0.8mm | U2 |
| 1 | JST_POWER | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J1 |
| 1 | 231X_Breakout | PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | IO_ADC_PINOUT | PinHeader_1x09_P2.54mm_Vertical | J3 |
| 1 | ANT_WIRE | PinHeader_1x01_P2.54mm_Vertical | J4 |
| 1 | Conn_Coaxial | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J5 |
| 1 | RST_PIN | PinHeader_1x02_P2.54mm_Vertical | J6 |
| 3 | Jumper | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2, JP3 |
| 4 | 100nF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C3, C4, C5 |
| 1 | 10uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2 |
| 5 | 10k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2, R3, R4, R5 |
GMote ARM Version design files
The KiCad project lives in the hackdaworld/gmote repository on GitHub; these links point at the commit this page was built from.
GMote ARM Version: common questions
What microcontroller does the GMote ARM Version use?
The GMote ARM Version is built around the STM32F051K8Tx, from the STM32 family.
How big is the GMote ARM Version PCB?
The GMote ARM Version measures 27.2 × 37.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the GMote ARM Version?
21 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the GMote ARM Version design files?
From the hackdaworld/gmote repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the GMote ARM Version design in my own project?
Yes, under the terms of its GPL-3.0 license, which hackdaworld chose for the repository.
Can I test firmware for the GMote ARM Version without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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