Mavic vs Spark – Which to Buy

Mavic vs Spark – Which to Buy
To buy DJI Spark: https://goo.gl/TCReQ8 To buy DJI Mavic: https://goo.gl/IiLiSV To buy DJI Goggles: https://goo.gl/wVEiU3 Buying a drone? The DJI Spark and …

60/40 versus unleaded solder
If you don’t use the right solder when doing electrical or electronic work on your RC models or drones then you’re unlikely to get satisfactory results. In this video …