Board-dat/STH/STH1074-dat/STH1074-DAT.md
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@@ -9,10 +9,12 @@ Digital output or amplified output by [[LM358-DAT]]
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- [[micropython-dat]]
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jumper select:
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-- D: LM358 channel 1 as comprator
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+- D: LM358 channel 1 as [[comparator-dat]]
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- digital threashold output, LED on
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- tuning on-board trim-pot for the threashold.
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-- D': LM358 channel 1 as amplifier
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+
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+- D': LM358 channel 1 as [[amplifier-dat]]
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- you can use arduino analog read data, normal aroun 65x, block at 5-10
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Chip-dat/LMxx-dat/LM358-DAT/2026-07-18-16-50-09.png
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Binary files /dev/null and b/Chip-dat/LMxx-dat/LM358-DAT/2026-07-18-16-50-09.png differ
Chip-dat/LMxx-dat/LM358-DAT/LM358-DAT.md
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- [[MSP1023-dat]]
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+- [[STH1074-dat]]
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+
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## datasheet
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Single Supply Dual Operational Amplifiers - LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904
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## App
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+### comparator and amplifier
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+![](2026-07-18-16-50-09.png)
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+[[comparator-dat]] - [[amplifier-dat]]
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### general
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- solar detector
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### microphone driver
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+- [[sensor-microphone-dat]]
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![](2026-03-05-19-00-42.png)
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### current meter
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+- [[meter-current-dat]] - [[LM358-dat]]
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![](2026-03-05-14-11-48.png)
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fab-tools-dat/fab-tools-electronic-dat/meter-dat/meter-current-dat/meter-current-dat.md
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@@ -92,11 +92,18 @@ While the ACS712 wins on isolation and simplicity, a standard ADC+Shunt setup is
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## SCH
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+- [[meter-current-dat]] - [[LM358-dat]]
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- [[amp-op-dat]]
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- [[GS8551-dat]] - [[TP09-dat]]
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![](2026-07-17-21-58-52.png)
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## ref
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- [[meter-current-dat]] - [[meter-voltage-dat]]
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