2 layers103 × 30.5 mm
2 layers53.1 × 30.6 mm
RN2483shield
Zmathh/SAE-KARTSupervision d'un kart
- Size
- 53.1 × 30.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 9
- Nets
- 34
- Pads
- 70
- Tracks, vias
- 66, 58
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 17 Oct 2023
- Updated
- 29 Mar 2024
Overview
RN2483shield is an open-source printed circuit board by Zmathh, from the Zmathh/SAE-KART repository on GitHub. It is a 2-layer board of 53.1 × 30.6 mm with 9 parts on 34 nets, routed with 66 tracks and 58 vias.
Its parts include 3 resistors, 3 connectors, 2 capacitors and 1 IC.
README
module_LoRa_Kicad/README.mdSAE-KART LoRa
Simple KiCad design for an Arduino compatible RN2483 (or RN2903) LoRaWA suited for our Project.
Fork of the original jpmeyers/RN2483shield.
Top board view
Bottom board view
Adjusted to:
- ignore the 433MHz antenna trace (868MHz only),
Required Parts for PCB
- 3× 10k resistors,
- 1× SMA 868MHz antenna,
- 1x RN2483 (or RN2903)
Setting up
WIP -debug possible
Schematic
Schematic
PCB
Solidworks Case
Solidworks view
RF Impedance Analyser Results
(R +jX) - Calibrated with 50ohms
The first version was a bit off, because we didn't follow the LoRa Module Datasheet, where we have application information for better transmission. Tiny holes are for via stitching
In the end after testing we are getting better results, better signal strenght and range. So we are certainly closer for a better impedance, but it could be better as the Analyser retrieved us with not perfect transmision Impedence (29.5 +j*92.3)
Final result
WIP
Final result
Processing
Despite the use of an LCD arduino screen, we wanted to add a better gauge interface, more customizable so we tried to use processing.
A first sketch code has been written, using an raspberry pi with a raspberry 7" screen.
Parts
9| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3 |
| 1 | 100n | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C2 |
| 1 | 4,7n | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C1 |
| 1 | RN2483/RN2903 | MyFootprints:RN2483 | U1 |
| 1 | SMA_HF | MyFootprints:multi-rf-sma-ufl | J2 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_TE-Connectivity:TerminalBlock_TE_282834-3_1x03_P2.54mm_Horizontal | J3 |
| 1 | Screw_Terminal_01x04 | TerminalBlock_TE-Connectivity:TerminalBlock_TE_282834-4_1x04_P2.54mm_Horizontal | J1 |
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Questions
How big is the RN2483shield PCB?
It measures 53.1 × 30.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RN2483shield use?
9 parts. 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 RN2483shield KiCad files?
From the Zmathh/SAE-KART repository on GitHub, at the commit this page was made from: the board is module_LoRa_Kicad/RN2483shield.kicad_pcb and its schematic module_LoRa_Kicad/RN2483shield.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RN2483shield design in my own project?
Its repository states no licence, so its author keeps all rights: ask Zmathh before reusing the design.