1-) Solar Powered Weather Station

2-) Arduino Voltmeter , Ammeter , Ohmmeter With INA219

3-) Python Tkinter Multiplying Exercise

4-) 3S 18650 12.6V Battery Pack From Salvaged Cells

5-) Repurposing Old RC Car with ESP8266 For Control Over Wifi

6-) Cordless Screwdriver Battery Nicad to Li-ion Conversion