The Wemos lithium battery shield provides a means of powering your Wemos mini, or Wemos mini Pro (see item HCWEMO0002) from a single cell (3.7V) lithium battery. The shield contains a DC-DC converter to step-up the batteries 3.7V to 5V supplying your Wemos mini and shields with up to 1A of power. When the battery is depleted simply plug the shield into a USB power source using a mini USB cable and it will automatically recharge the battery. Two LEDs on the shield indicate when the battery is charging and when charging has completed.
Features
Charging Voltage: max: 10V, recommend: 5V
Charging Current: max: 1A
Lithium Battery voltage: 3.3-4.2V
Boost Power Supply: 5V(max: 1A)
Pins
D1 mini Shield 5V Power Supply, 5V(max: 1A) GND GND
Ports
PH2-2.0MM (Port 1) Connect to lithium Battery (normal 3.3-4.2V) Micro USB (Port 2) Charging port (normal 5V) Green LED lights when charging is completed Red LED lights when charging J1 setting max charging current, 0.5A or 1A. J2 Connect battery to A0
Schematic:
Libraries, example code, and diagrams are provided as an additional free service by Hobby Components and are not sold as part of this product. We do not provide any guarantees or warranties as to their accuracy or fitness for purpose.
Descriptions and diagrams on this page are copyright Hobby Components Ltd and may not be reproduced without permission.