trpulot
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thanks again but you just brought up another question
what s the 220 resistor doing acrosss out and ground of the LM317 as well as the diode?
i have ideas but i don't want to speculate i want someone who knows to tell me. -
hey thanks so much cjk2 that was a whole lot of help. you've met my needs.
let me ask this if the 10ohm resistor and the 100/1w pot were removed then the 7805 would act as a constant voltage source right? i.e it's the presence of the variable reistor that makes the 7805 act as a constant current source rather than a constant voltage source? -
hi i'ld like to know what the two 100nf capacitors around the 7805 regulator are ment for and if anyother similar value can be used.
also if a put the probes of a multimeter across the points where the batterys should be with the circuit powered, should i expect to read the same value of current that the current meter in the circuit would read if the batteries were connected? i ask because i couldn't lay my hands on a current meter and i want to know if there is another way to measure the current entering the batteries.
NICd battery charger
in Projects Q/A
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can i turn the series connection of the batteries to a parallel so i don't have to use a switch cos' i can't quiet lay my hands on a switch now.
also can i use an 7808 so that i can get more current?