Tech enthusiasts, engineers and enthusiasts will gather in Stratford next summer when Marker Faire arrives in the UK.
The original Maker Faire event was held in California in 2012 and it has seen crowds grow to hundreds of thousands.
It's the first time the annual flagship fair has been held outside the US
Around 170,000 people across south-east London are likely to experience disruption to their freeview television broadcasts at some point today, while experiments take place to monitor the impact of new 4G phone networks.
Services in Greenwich, Lewisham, Southwark and Tower Hamlets could be affected.