GMote Small
About the GMote Small PCB
GMote Small is an open source AVR/Arduino PCB design by hackdaworld, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 42.6 × 33 mm, with 28 components from 20 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the RFM95W-868S2 and PCF8563T. By type, the board carries 10 connectors, 8 capacitors, 3 ICs, 3 resistors, 2 crystals and 2 jumpers.
From the project
Generic LoRaWAN Node
Main components on the GMote Small
GMote Small bill of materials (BOM)
28 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RFM95W-868S2 | HOPERF_RFM9XW_SMD | U1 |
| 1 | PCF8563T | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U3 |
| 1 | 8Mhz | Crystal_3.0x2.5_HandSoldering | Y1 |
| 1 | 32.768kHz | Crystal_SMD_2012-2Pin_2.0x1.2mm_HandSoldering | Y2 |
| 1 | Conn_01x02_Male | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J1 |
| 1 | Conn_01x06_Male | PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | Conn_ADC | PinSocket_1x06_P2.54mm_Vertical | J4 |
| 1 | Conn_IO | PinSocket_1x06_P2.54mm_Vertical | J5 |
| 1 | Ant_UFL | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J6 |
| 1 | AVR-ISP-6 | PinHeader_2x03_P2.54mm_Vertical | J8 |
| 1 | Conn_01x01_Male | PinHeader_1x01_P2.54mm_Vertical | J9 |
| 1 | Screw_Terminal_IO | TerminalBlock_Phoenix_MPT-0,5-6-2.54_1x06_P2.54mm_Horizontal | J10 |
| 1 | Screw_Terminal_ADC | TerminalBlock_Phoenix_MPT-0,5-6-2.54_1x06_P2.54mm_Horizontal | J11 |
| 2 | Jumper | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2 |
| 1 | 10uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 5 | 0.1uF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2, C3, C4, C7, C8 |
| 2 | 16pF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C5, C6 |
| 3 | 10k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2, R3 |
GMote Small 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 Small: common questions
What microcontroller does the GMote Small use?
The GMote Small is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the GMote Small PCB?
The GMote Small measures 42.6 × 33 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the GMote Small?
28 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the GMote Small 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 Small 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 Small 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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