Why did you make it?

I set out to make an Ultra Low powered ESP32 board and make it affordable.

What makes it special?

• ESP32-S3 powered (Espressifs latest gen chip)
• Ultra Low power deep sleep (<20uA!!!)
• Battery Voltage Monitoring built in.
• RGB LED (for fun)
• USB-C
• Supports Arduino, Micro Python and Circuit Python with many example sketches!
• Fully open source. Check out the Github.
• Breadboard compatible for easy prototyping.
• Small and Compact with mounting holes for easy mounting.

Pin Out

Deep Sleep Consumption <20uA!

Q: Ok, but how does that translate to battery life?

A: Well if you had this paired with a 1500mah LiPo battery, turning on once a day and sending a sensor reading over MQTT it would last for over 5 years!

NOTE: the Bee S3 does NOT have LiPo charging capabilities. to re-charge a battery you will need an external battery charging option.

Items will be shipped within 3 business days, but usually they ship the next day. shipping times vary across the globe but typically international shipments arrive within 10-14 business days. US shipments typically arrive within 4 business days.