Archiv der Kategorie: electronics
TPS631000 1.5-A output current, high-power-density buck-boost converter 2.5/4.2v to 3.3v
https://www.ti.com/product/TPS631000#product-details
LTC3440 – Lithium-Ion Battery Voltage to 3.3V
Shelly proprietary addon interface
here from kb.shelly.cloud/knowledge-base/shelly-plus-2pm scheint esp8266 o. ä. zu sein