Tools

You need tools to build and maintain an FPV quad. The good news is the list isn’t long, and most of what you need is affordable. Start with the essentials and add specialized tools as you need them.

Essential Tools

Soldering Iron

The single most important tool. Every electrical connection on your quad is soldered. Get a temperature-controlled iron with at least 60W of power. Cheap irons that can’t hold temperature make soldering miserable and produce bad joints.

Recommended options:

• Pinecil / TS101: Portable, USB-C powered, excellent for field repairs. $25-40.
• Hakko FX-888D: The workshop standard. Reliable, good thermal recovery. ~$100.
• Budget: Any temperature-controlled station from a name brand. Avoid unregulated irons from generic sellers.

Use a chisel tip (not conical) for most FPV work. Chisel tips transfer heat faster because of the flat contact area. 2mm-3mm width handles everything from FC pads to XT60 connectors.

Solder

60/40 or 63/37 tin/lead rosin core, 0.8mm diameter. Leaded solder flows better and is easier to work with than lead-free. Kester 0.8mm (0.031”) rosin core is a popular choice among builders.

Work in a ventilated area or use a fume extractor. Rosin flux fumes are irritating over long sessions.

Hex Drivers

Most quad hardware uses hex (Allen) bolts:

• 2.0mm: The most common size. Motor bolts, frame bolts, standoffs.
• 2.5mm: Some frame hardware and prop nuts.
• 1.5mm: Smaller micro quad hardware, some camera mount bolts.

Ball-end hex drivers let you reach bolts at slight angles, which helps in tight builds. A multi-tool with all three sizes is convenient for the field.

Wire Cutters (Flush Cut)

Flush-cut side cutters for trimming solder joints, cutting wire, and trimming zip ties. Get a pair with a fine tip for working in tight spaces around the FC stack.

Wire Strippers

For preparing wire ends before soldering. Adjustable strippers work on the range of wire gauges you’ll encounter (26-12 AWG).

Multimeter

Essential for safety checks before first power-up:

• Continuity mode: Check for shorts between positive and negative battery pads
• Voltage mode: Verify regulator outputs (5V, 9V)
• Resistance mode: Diagnose bad connections

Any basic multimeter works. You don’t need an expensive one for FPV use.

Very Helpful Tools

Helping Hands / PCB Holder

Holds your FC or ESC in place while you solder. Frees up both hands for iron and solder. A weighted-base helping hands with alligator clips, or a PCB vise, makes soldering dramatically easier.

Heat Gun

For heat shrink tubing and removing old components. A basic craft heat gun ($15-25) works. A hair dryer is not hot enough for most heat shrink.

Smoke Stopper

A current-limiting device (essentially a light bulb in series with your battery lead) that prevents damage if there’s a wiring mistake on first power-up. The bulb limits current so that a short circuit lights the bulb instead of frying your electronics. Build one for $5 or buy a pre-made one for $10-15. Saves $40+ FC replacements.

Prop Removal Tool / Nut Driver

An 8mm nut driver or socket for prop nuts. Makes prop changes fast in the field. Some pilots use a small wrench but a nut driver is faster.

Digital Calipers

For measuring motor shaft sizes, frame dimensions, standoff lengths, and verifying part compatibility before a build. A $15 digital caliper from any hardware store works fine.

Field Kit

What to bring to the flying field:

• Hex driver set (2.0mm, 2.5mm, 1.5mm)
• Spare props and prop nut tool
• Zip ties and electrical tape
• Small flush cutters
• Spare receiver antenna (they break)
• Battery voltage checker or multimeter
• Small bag of spare bolts and nuts (M3 assorted)

Keep a small tool bag packed and ready. Repacking tools after every session is a habit worth building.

Workshop Additions

As you do more builds:

• Desoldering wick or pump: For fixing mistakes and replacing components
• Flux pen: Extra flux makes difficult joints (large ground pads, XT60 connectors) flow much better
• Silicone wire: 12-16 AWG silicone-insulated wire for battery leads and high-current connections. More flexible than PVC-insulated wire.
• Bench power supply: Powers your quad without a battery for bench testing. Limits current so mistakes don’t destroy components.
• Label maker or fine-point marker: Label motor positions, receiver channels, and custom wiring so future-you can figure out what past-you did.

See the accessories guide for specific product recommendations.