Two new Open Source Hardware boards in stock BB-LVL-SHIFT and UEXT-LVL-SHIFT allow 3.3V targets to tlk to 1.65V-5.5V sensors and targets https://olimex.wordpress.com/2026/10/19/two-new-open-source-hardware-level-shifters-bb-lvl-shift-and-uext-lvl-shift/ #oshw #embedded #esp32 #stm32 #arduino #raspberryrpi #maker #olimex