Potato charger
Needed
Potato
Copper stick
Zinc stick
680k resistor
909*k resistot
41k resistor
100uf capasitor
1N5818 transistor
LT1073
L1 82mewF
Now follow the picture
*NOTE=this is 100% working but slowly working try it on your home.
Discription of LT1073
The LT1073 is a versatile micropower DC/DC converter. The device requires only three external components to deliver a fixed output of 5V or 12V. The very low minimum supply voltage of 1V allows the use of the LT1073 in applications
where the primary power source is a single cell. An onchip auxiliary gain block can function as a low-battery detector or linear post-regulator.Average current drain of the LT1073-5 used as shown in the Typical Application circuit below is just 135µA unloaded, making it ideal for applications where long battery life is important. The circuit shown can deliver 5V at 40mA from
an input as low as 1.25V and 5V at 10mA from a 1V input.The device can easily be configured as a step-up or step-down converter, although for most step-down applications or input sources greater than 3V, the LT1173 is recommended. Switch current limiting is user adjustable by adding a single external resistor. Unique reversebattery protection circuitry limits reverse current to safe, nondestructive levels at reverse supply voltages up to 1.6V
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