Uploaded March 2026 | Updated September 2026, 4 hours ago

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In this video, I show you my miniature weather station board with the CH32V003J4M6 chip, and the BME280 temperature, humidity and pressure sensor.

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Affiliate links:
CH32V003J4M6: https://s.click.aliexpress.com/e/_c4CwBse5
WCH-LinkE programmer: https://s.click.aliexpress.com/e/_oCwrU4d
BME280: https://s.click.aliexpress.com/e/_oCTWmJH
0.42" OLED: https://s.click.aliexpress.com/e/_omVq1Zd
Breadboard: https://s.click.aliexpress.com/e/_DloYYXN
Breadboard wires: https://s.click.aliexpress.com/e/_Der690x

Article: https://curiousscientist.tech/blog/ch32v003j4m6-bme280-weather-station
Parts and tools: https://curiousscientist.tech/tools