
Keep breathing ctrl
CV19CO/open_controller_for_ventilator
Open source controller for ventilators

The HTS221 is a temperature And Humidity Sensor made by STMicroelectronics in a HLGA-6(2x2) package with 6 pins. -40℃~+120℃ 0%RH~100%RH 1.7V~3.6V 16bit 2uA I2C、SPI ±0.5℃ ±3.5%RH HLGA-6(2x2) Temperature and Humidity Sensor ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:HTS221TR, from EasyEDA) and its footprint (EasyEDA_Cloud:HLGA-6L_L2.0-M2.0-P1.00-TL, from EasyEDA), ready for a KiCad board. 288 are in stock at JLCPCB (part C91142). 6 open-source boards in 4 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | VDD | Unspecified |
| 2 | SCL/SPC | Unspecified |
| 3 | DRDY | Unspecified |
| 4 | SDA/SDI/SDO | Unspecified |
| 5 | GND | Unspecified |
| 6 | CS | Unspecified |

CV19CO/open_controller_for_ventilator
Open source controller for ventilators


vul-os/sirboard
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.

CV19CO/open_controller_for_ventilator
Open source controller for ventilators


sifourquier/domotic_esp_hardware
hardware for a system based on esp8266
<iframe src="https://pcbkit.io/embed/parts/st/HTS221" title="HTS221 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/HTS221.jpg" alt="HTS221" width="1200" height="900">[](https://pcbkit.io/parts/st/HTS221)Yes. The symbol is EasyEDA_Cloud:HTS221TR and the footprint EasyEDA_Cloud:HLGA-6L_L2.0-M2.0-P1.00-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
HLGA-6(2x2), with 6 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C91142, with 288 in stock; the sellers' links on this page open their listings.
6 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.