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BATTERY_MONITOR

2016-05-12 06:07  
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BATTERY_MONITOR
Basic circuit energizes LED when battery voltage drops to level set by 10K pot. Any number of additional circuits can be added, for reading battery voltage in 1-V steps oreven steps assmall as 0.1 V. Circuitsup-plements idiot light that replaces ammeter in most modern cars. LED type is not criticaL-J. Sandier, 9 Pro jects under $9, Modem Electron-ics, Sept, 1978, p 35-39.