Just bought myself a PDB that has integrated OSD with current sensor – the HUBOSD PDB by Realacc.
PDB (power distribution board) is used widely in mini quads, they make builds much simpler. This Arris PDB has dual BEC (5V and 12V) and LC-filter built in. What’s interesting is the integrated OSD that can overlay vital flight data: for example timer, voltage and mAh used from current sensor. It can also be used as a convenient tool for PID tuning in the field.
This time we have 2 very similar 36mm size mini power distribution boards for review: the Demon Core Mini PDB and Atas Mini PDB. Both are great choices for mini quads, which you can stack under your flight controller.
Many mini quad frames come with built-in PDB (power distribution board) bottom plates, which saves quadcopter builders a lot of time and troubles. ESC’s, Battery connector, even your FPV system can be soldered directly on to the PDB, that keeps the use of wires to the minimal. This not only reduces weight but also makes a super clean build.
Power distribution board (PDB) or harness are 2 ways of delivering power to your ESC/Motors from battery. In this article we will discuss which way is better, and how to choose PDB.