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правок
ADC: различия между версиями
→Input voltage measuting
(Новая страница: «Wiren Board has 8-channel ADC which are multiplexed using analog multiplexer into i.mx233 LRADC1 channel. === Main channels === 7 channels are exposed to termin…») |
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=== Input voltage | === Input voltage measuring === | ||
Channel 5 of the multiplexer is dedicated to measuring input voltage. | Channel 5 of the multiplexer is dedicated to measuring input voltage. | ||
The channel has 200K/33K divider. Thus the input voltage is 7.061 * <measured voltage>. | The channel has 200K/33K divider. Thus the input voltage is 7.061 * <measured voltage>. | ||