Adafruit
8-channel Bi-directional Logic Level Converter - TXB0108 (ID: 395)
£7.94Unit price /UnavailablePololu
5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA
£14.40Unit price /Unavailable
Adafruit
8-channel Bi-directional Logic Level Converter - TXB0108 (ID: 395)
Pololu
5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA