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When a 555 timer is operating in Astable mode, we obtain a pulse on the output pin whose ON time (Time high) and OFF time (Time low) can be controlled. This controlling can be done by selecting the ...

The Scratch and Blockly teams are excited to announce the release of Scratch Blocks 2.0! This release is no longer a fork of Blockly, but rather depends on Blockly as a library. We've also updated ...

The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.