Christopher Tiessen – Trusted Contributor to SCB

Sizing the Suitable Capacity of a Subpanel or Main Lug A subpanel or main lug (aka Remote Panel in NEC) is a smaller service panel installed downstream from the main breaker box or load center in the home. Generally, the subpanel is needed to be installed in a separate section of premises e

One of the most intriguing applications of electricity is the creation of invisible ripples of energy known as radio waves. While this lesson focuses on alternating current, we’ll outline the core principles that underpin radio technology. Oersted’s accidental discovery of electromagnetism revealed

Surely you have heard one or both concepts, smart cities or smart cities. The first time we listen to it, futuristic cities come to mind, but smart cities go further and their objective is to improve the lives of their citizens.

Build a 555 Timer Schmitt Trigger: Hands‑On Circuit & Theory What You’ll Need 1 × 9 V battery Battery clip (Radio Shack #270‑325) Mini hook clips, soldered to the battery clip (Radio Shack #270‑372) 1 × 10 kΩ, 15‑turn potentiometer (Radio Shack #271‑343) 1 × 555 timer IC (Radio Shack #276‑1723) 1 ×