2 layers33.7 × 97.8 mm
HAN ESP TSS721
UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported
29 parts470
2 layers30 × 45 mm
Lsx-1
SteveMayze/lsx-1Leawood Sensor Adapter
- Size
- 30 × 45 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 11
- Nets
- 11
- Pads
- 26
- Tracks, vias
- 16, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 27 Mar 2024
- Updated
- 4 Aug 2026
Overview
Lsx-1 is an open-source printed circuit board by SteveMayze, from the SteveMayze/lsx-1 repository on GitHub. It is a 2-layer board of 30 × 45 mm with 11 parts on 11 nets, routed with 16 tracks and 0 vias.
It is built around the RJ45. It belongs with the sensors and measurement and interfaces and adapters boards of this library.
Main components
1README
README.mdLeawood Sensor Adapter LSX-1
The Sensor Adapter is an adapter board that enables a USART-USB device and a UPDI ISP to be conected to a Leawood Sensor unit (i.e. LPS-1) via an RJ45 compatible cable. The RJ45 is used for convenice and in no way will implement any TCP connection.
Parts
11| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2, H3, H4 |
| 2 | logo | sjm-mechanical:Non_TCP | Lg3, Lg4 |
| 1 | ISP | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Horizontal | J3 |
| 1 | RJ45 | lsx-1-footprint:RJ45_8P8C | J1 |
| 1 | USART-USB | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal | J2 |
| 1 | logo | Symbol:KiCad-Logo_5mm_SilkScreen | Lg2 |
| 1 | logo | sjm-mechanical:MyBasic_rounded_50_1 | Lg1 |
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Questions
How big is the Lsx-1 PCB?
It measures 30 × 45 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Lsx-1 use?
11 parts, built around the RJ45. 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 Lsx-1 KiCad files?
From the SteveMayze/lsx-1 repository on GitHub, at the commit this page was made from: the board is pcb/lsx-1.kicad_pcb and its schematic pcb/lsx-1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Lsx-1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask SteveMayze before reusing the design.