Today's Geeky Gadgets Deal is a Circuit Scribe Basic Kit for $49.99, the kit normally costs $60, ... Tinker w/ your circuits using 6 modules: battery adapter, LED light, etc.

Circuit Breaker; iFixit’s new ... 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 ...

Circuit Breaker; iFixit’s iPhone battery replacement kits will cost $29.99 for the rest of 2019. A lower price than Apple’s. ... (The 4S battery kit is cheaper at $16.99.) ...

Figure 1: NiCd battery discharge and conditioning circuit, in this example, for a four-cell battery pack. (Click to Enlarge Image) A battery connected to this circuit will be discharged at a rate of ...

2. The detailed circuit uses five standard transistors plus passive components to implement the one-pin battery-monitor solution. When the microcontroller decides it needs to know the battery ...