The CO2 and PM25 sensors ENV-CP have been optimized and finalized. The first batch has been manufactured and shipped. Normal DIY production speed is now underway—quickly, with no waiting period.

SCREEK CO2 and PM2.5 Sensor ENV-CP (SCD40+SPS30+ESP32-C3+ESPHome) invites you to join the adventure, with a 15% discount.

Documentation Website Maintenance Completed

[SCO2-30] New firmware available for testing. Updated kernel to ESPHome 2025.8.3 and switched to the ESP-IDF framework.

[Guide][SCO2-30]Manually Calibrating the Current PPM Reading of the SCO2-30

[SCO2-30]The final batch of SCO2-30 aging tests has been completed and will ship tomorrow. All pre-orders for the SCO2-30 are now fulfilled. Wishing everyone the best of luck!

[SCO2-30][New Sesnor]A new adventure is here—the new CO₂ sensor, SCO2-30, based on SCD30, is now available. The first batch will be manufactured in 4–5 days, and orders are now being accepted.

Vacation is over, screek diy make resumes, and shipments resume.

[Troubleshooting] How do I know that the Bluetooth Proxy is working and capturing Bluetooth signals?

The URL for screek store has been changed from store.screek.io to shop.screek.io. It's simpler, and we prefer simplicity.

Holiday: We will be closed for two days from August 28 to August 29. During this period, any DIY orders (which do not affect purchases) will be shipped on the 30th.

[SVOC-1] Combined SGP41 and SHT30 — the VOC Index Sensor SVOC-1 has completed its preliminary shell design. Based on our testing, we have added an SHT30 temperature and humidity sensor (which has a slight deviation) for data calibration purposes.

[PM25-1][Firmware Update] Version 25.08.15.A Adds Push Interval Control, PM2.5 Status Display, and Forced Internal Fan Cleaning

[Web Tools]Chrome has released version 139.0.7258.128, restoring normal USB serial port functionality. No additional parameters are currently required for operation.

[Web Tools][Fixed]A temporary solution has been identified for the current Web Serial API bug in the latest version of Chrome v139 that causes possible failures to write firmware using recovery tools (including other ESP Web Tools) on Macs. The same applies to all tools that use esptool-js related tools.

New support email addresses are now available: sen@screek.io or support@screek.io

[SFA-1]Online Configuration Tool Now Available

[LS1][FM UPDATE]New firmware: 25.07.16.1, updated the ESPHome core and uses the new Web_Server.

BP1, BLEDongle-1M Stable Firmware 2025.5.1 Release

[Pre-Order][First Batch]Formaldehyde Sensor SFA-1 For HomeAssistant By Screek (SFA30 + ESP32-C3 + ESPHome)

End of pre-order phase, all sensors for the first batch of adventurers sent out, good luck!

[LS1][UPDATE]BH1750 based Light Sensor LS1 Using new case, new firmware.

DS1 New Beta Firmware: V250526_1_Beta, add headcount setting function, new web interface.

Human Sensor L13 Release