USB Charger Doctor - In-line Voltage and Current Meter Microbit you should use this at

you should use this at higher I2C speeds like 400KHz if other devices are on the I2C bus

Dot Matrix Display Quickstart Guide (1MB PDF)

The FLORA does not have a LiPo charger included by design

Weight (just the board): 5

USB Charger Doctor - In-line Voltage and Current Meter Microbit you should use this atHelp! This patient is heating up! Is the voltage too low? Is the current draw too high? Is there a doctor in the house? Oh, thank goodness, the Charger Doctor is here! Right on time Doctor, can you tell us what the current draw is? What about the voltage? Thanks to the Doctor, you will now be able to watch and care for your USB powered projects. Use the USB Charger Doctor to measure the working voltage and current output for any USB port and project.