2 layers33.3 × 6.3 mm

Stm8s001rs485
TG9541/stm8s001rs485
A narrow KiCad made PCB with STM8S001J3, RS485 driver and DS1621S Thermometer, e.g., for STM8EF-MODBUS
21 parts20MIT
Open-source boards designed in KiCad by TG9541 on GitHub, from 3 repositories. A board’s address here is its repository’s there.

TG9541/stm8s001rs485
A narrow KiCad made PCB with STM8S001J3, RS485 driver and DS1621S Thermometer, e.g., for STM8EF-MODBUS

TG9541/rs485-ch340e
A small CH340E based configurable RS485 or TTL 2/3-wire USB dongle

TG9541/stm8s001ch330
USB Dongle STM8S001J3M3 with CH330N, e.g. for STM8 eForth