The end result is the company’s new Battery Replacement Kits for 2012–2015 Retina MacBook Pros, which cost between $89.95 to $109.95, depending on your particular model.

Today's Geeky Gadgets Deal is a Circuit Scribe Basic Kit for $49.99, the kit normally costs $60, so you can save 16% off the normal retail price.

iFixit said that it’ll keep selling its iPhone battery replacement kits for $29.99, even though Apple raised its prices.

The unintended reversal of battery polarity can be anything from an annoyance to a disaster. This circuit connects the battery to its load with the correct polarity, regardless of the battery’s ...

This circuit, Figure 1 , uses Linear Technology's LT6700-1 dual comparator to control a constant-current discharge circuit. Figure 1: NiCd battery discharge and conditioning circuit, in this example, ...

Researchers at the University of California San Diego and CEA-Leti have developed a novel circuit design that could boost the development of miniature robotic devices, specifically microdrones.

What’s a Swytch kit? The team behind the Swytch kit calls it the smallest and lightest e-bike conversion kit in the world. And they might have a pretty good stake to that claim.

The Milwaukee M18 Lithium-Ion XC 5.0Ah Battery and Charger Starter Kit is on sale for $89, which is 59% off the original $219 price tag.

1. The basic concept of the battery monitor shows the relationship among functions and that only one pin of the microcontroller is used to implement the circuit.

Squishy Circuits Kits provide a conductive play dough that can be used to create a wide variety of different projects while teaching the basics of electronics to the younger generation.