I have a Sensor Watch, which is an ARM cortex processor and SDK which retrofits into an F91W. It’s really nicely put together and offers a lot of flexibility. h

I have a Sensor Watch, which is an ARM cortex processor and SDK which retrofits into an F91W. It’s really nicely put together and offers a lot of flexibility. https://www.sensorwatch.net/ https://www.sensorwatch.net/