A method of switching a network access configuration associated with a first electronic system to a second electronic system via a network is described. The charge transfer circuit for capacitive sensing includes a variable capacitor, an X-drive unit, and an active output voltage feedback part. The at least one interchangeable tool head comprises spring-loaded trauma shears, a bridging head, channel-lock pliers, traditional pliers, an adjustable wrench, needle-nose pliers, a ratchet, and tin snips. Each DLBA server routes and load balances the incoming request packets to the appropriate back end Web servers. In this manner, the result message may be routed to the client.