RAKwireless WisMesh Board ONE allows users to create custom Meshtastic nodes with optional OLED, GPS, antennas, battery, and enclosure.

Arduino Nano (1x) - Main microcontroller (any model compatible) ADXL335 Accelerometer Module (1x) - 3-axis analog accelerometer HC-05 Bluetooth Module (1x) - Wireless communication Push Buttons (3x) - ...

Silicon (Si) is a promising negative electrode material for lithium-ion batteries (LIBs), but the poor cycling stability hinders their practical application. Developing favorable Si nanomaterials is ...

If you're looking for a no-frills smoke detector that will do its job and last a long time, the Kidde i9050 is perfect for you. This battery-powered smoke alarm comes with a high-quality 9V battery ...