Waveshare 1.9inch Segment E-Paper Module Stainless While the nominal voltage of

While the nominal voltage of the battery remains at 3

The shield includes R3-type headers for easy connection to your Arduino board

The switch is active sensors

non-rosin Flux-Pen that is specifically designed for rework of conventional and surface mount circuit board assemblies

Good for preise cutting work

Waveshare 1.9inch Segment E-Paper Module Stainless While the nominal voltage of1. 9 Segment E Paper Module Support Partial Refresh, Low Power, Wide Viewing Angle, Paper Like Displaying Without Electricity Ideal for Temperature and Humidity meter, Humidifier, Digital Meter Features: No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing I2C interface, for connecting with controller boards like Raspberry Pi Arduino STM32, etc.