need to do now is indicate how the LED and resistor are hooked up and show the 5V and ground connections. With the proliferation of electronic devices, and more and more accessories relying on them, storage batteries are essential for RVing. It's alright if a terminal has more than one cable connected. This is known as the resistor color code, and its a real pain when you first start electronics.
Understanding, battery, configurations, battery, stuff RV Battery Basics: A Beginners, guide RV Repair Club Tutorial - Lesson 3 - Breadboards and LEDs
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Ampere-hour (A-H) ratings are a way of rating how long a battery can handle a load. If not, check the following: Is the Arduino plugged in? If you have a Diecimila Arduino, both the on-board LED and the wired LED will blink in unison. Diecimila Arduino users already have the LED (a very very small one) soldered onto the circuit board the right way. A barebones schematic Next to symbols, we often write important information like what the resistor value is, what color and size the LED should be, and the voltage associated with the power supply. Water and baking soda can neutralize the acid and should be kept on hand when working around batteries. What is a bank of batteries? You can pick on up at any hobby shop or electronics supply store.