Viewing profile — rruark

A cheap toaster these days will use a toaster ASIC rather than a general purpose microcontroller or timer. PT8A2514 [1] is one example. Another surprising type of ASICs I've come a…

Starlink for RVs: $135/month. A premium over the standard product, but far less than $500/month for business service. https://www.starlink.com/rv

I built a USB power back using these cells a couple months ago after finding out that disposable vapes have rechargeable batteries. A friend had already taken the cells out of seve…

Using multiple events for a single bit seemed pretty inefficient to me when I built a random number generator based on radioactive decay [0]. I ended up toggling a bit every time a…

While impractical and not cost effective, having a bunch of bikes connected to the grid and randomly producing power would have no more of an impact on the grid than flicking a 60W…

We may be seeing the highest nominal price for wheat in US history, but we are nowhere near the highest inflation adjusted price. The price of wheat in 1866 was $2.06/bu [0]. That …

These MOT based spot welders transfer far more heat to cells than capacitive discharge welders. This can result in the damage to heat sensitive components inside the cells which is…