Adafruit
8-channel Bi-directional Logic Level Converter - TXB0108 (ID: 395)
£7.94Unit price /UnavailableSparkFun
SparkFun Current Sensor Breakout - ACS723 (Low Current) (SEN-14544)
£12.88Unit price /UnavailablePololu
5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA
£14.40Unit price /UnavailableSparkFun
SparkFun Triple Axis Magnetometer Breakout - MLX90393 (Qwiic) (SEN-14571)
£15.89Unit price /UnavailablePololu
2.5-9V Fine-Adjust Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11MACMA
£13.34£17.15Unit price /Unavailable