Intorduction A while back, I watched a video on YouTube by Big Clive in which he showed and tore down a device that is used to manipulate the mileage displayed on an odometer of a car.
While everybody in my area are preparing for Passover and doing some cleaning, I came across a bunch of CD-ROMs that have be left on a wall near my house for the public.
Introduction In the past few years I have wanted to explore the world of different signals from space. Now, I know that my phone can pickup signals from space, and I use it every day… it’s called GPS.
In the past few days, I have been playing around with some hobby pulse sensors (pulsesensor.com) and ECG (AD8232) modules. I remembered I got a finger clip pulse-oximeter a while back that was too broken to use (broken - physically, glued back together).
After going over the Switcher’s overview and internal components in part 1 it was time to take a closer look at the specifics of each component.
On 03/12/2017 I attempted to read a magnetic card strip using iron oxdie (FeO) powder created by decomposing steel wool with a blowtorch.
On advice from a friend, I ended up buying a Swticher V2 to connect to an immersion heater and replace the analog timer with a more modern digital one, which contains features such as timer mode, scheduler and power consumption calculator.