Chip-dat/Analog-device-dat/AD-interface-dat/AD-interface-dat.md
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+
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+# AD-interface-dat
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+
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+- [[max3485-dat]] - [[AD-interface-dat]] - [[analog-device-dat]]
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+
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+
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+- [[RS232-dat]] - [[RS422-dat]] - [[RS485-dat]]
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+
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+
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+MAX3233E/MAX3235E - ±15kV ESD-Protected, 1μA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors
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+
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+ADM202EARN - EMI/EMC-Compliant, ±15 kV, ESD-Protected RS-232 Line Drivers/Receivers - ADM202E/ADM1181A
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+
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+
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+
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+## RS232 / RS422
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+
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+AD7306AN == +5 V Powered RS-232/RS-422 Transceiver
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+
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+
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+- [[max3485-dat]]
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+
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+
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+
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+## ref
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+
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+- [[analog-device-dat]]
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+
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+
Chip-dat/Analog-device-dat/AD-interface-dat/max3485-dat/2026-03-05-13-43-39.png
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Chip-dat/Analog-device-dat/AD-interface-dat/max3485-dat/max3485-dat.md
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+
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+# max3485-dat
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+
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+- [[max3485-dat]] - [[AD-interface-dat]] - [[analog-device-dat]]
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+
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+## SCH
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+
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+![](2026-03-05-13-43-39.png)
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+
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+
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+
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+
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+## ref
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+
Chip-dat/Analog-device-dat/AD-signal-dat.md
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+
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+
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+# AD-signal-dat.md
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+
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+
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+- [[DDS-dat]]
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\ No newline at end of file
Chip-dat/Analog-device-dat/AD-signal-dat/AD-signal-dat.md
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-
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-# AD-signal-dat
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-
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-
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-- [[DDS-dat]]
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-
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-- [[RS232-dat]] - [[RS422-dat]] - [[RS485-dat]]
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-
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-
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-MAX3233E/MAX3235E - ±15kV ESD-Protected, 1μA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors
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-
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-ADM202EARN - EMI/EMC-Compliant, ±15 kV, ESD-Protected RS-232 Line Drivers/Receivers - ADM202E/ADM1181A
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-
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-
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-
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-## RS232 / RS422
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-
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-AD7306AN == +5 V Powered RS-232/RS-422 Transceiver
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-
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-
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-
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-
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-
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-## ref
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-
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-- [[analog-device-dat]]
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-
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-
Chip-dat/Analog-device-dat/Analog-device-dat.md
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# analog-device-dat.md
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+
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+- [[max3485-dat]] - [[AD-interface-dat]] - [[analog-device-dat]] - [[RS485-dat]]
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+
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+
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- [[AD-power-dat]] - [[analog-device-dat]]
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- [[ADMP404-dat]] - [[analog-device-dat]] - [[AD-audio-dat]]
Chip-dat/LMxx-dat/LM358-DAT/2026-03-05-13-51-27.png
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Chip-dat/LMxx-dat/LM358-DAT/LM358-DAT.md
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@@ -174,6 +174,16 @@ The piezo sensor will have a low output when it is not active. The buzzer is act
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![](2025-03-19-03-22-26.png)
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+
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+## apps
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+
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+
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+### spindle signal amplifier control
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+
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+![](2026-03-05-13-51-27.png)
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+
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## read more
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- For a single-supply inverting op amp (in this case 9V), [resistor connecting input to virtual ground](https://www.reddit.com/r/AskElectronics/comments/rmeyj0/for_a_singlesupply_inverting_op_amp_in_this_case/)
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- [LM358 Op-Amp Integrator Circuit Analysis with single and dual power supply](https://www.ee-diary.com/2021/11/lm358-op-amp-integrator-circuit.html)
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## ref
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- [[amplifier-dat]]
Circuits-dat/logic-dat/isolator-dat/2026-03-05-13-48-09.png
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Circuits-dat/logic-dat/isolator-dat/isolator-dat.md
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# isolator-dat
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+
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+- [[isolator-dat]] - [[signal-input-dat]] - [[optical-coupler-dat]]
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+
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+
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+
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ADuM3400/ADuM3401/ADuM3402 - Quad-Channel, Digital Isolators, Enhanced System-Level ESD Reliability
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Quad-Channel Digital Isolators
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- [[mosfet-photo-dat]]
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+## Isolator power == B0505
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+
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+![](2026-03-05-13-48-09.png)
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+
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+
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+
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## ref
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- [[logic-dat]]
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\ No newline at end of file
Tech-dat/Interface-dat/RS232-DAT/RS232-DAT.md
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- [[maxim-dat]]
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-- [[analog-device-dat]] - [[AD-signal-dat]]
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+- [[analog-device-dat]] - [[AD-interface-dat]]
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Tech-dat/Interface-dat/RS485-dat/RS485-DAT.md
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- [[maxlinear-dat]] - SP3077EEN - High Speed, 3.3V, 15kV, Failsafe RS-485 Full-Duplex
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+- [[max3485-dat]] - [[AD-interface-dat]] - [[analog-device-dat]] - [[RS485-dat]]
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## ref
Tech-dat/Interface-dat/interface-dat.md
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# interface-dat
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+
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+
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+- [[signal-output-dat]] - [[signal-input-dat]] - [[interface-dat]] - [[74hct245-dat]] - [[74xx-dat]]
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+
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+- [[LMxx-dat]]
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+
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+
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- [[interface-SDK-dat]]
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- [[peripherals-dat]]
Tech-dat/Interface-dat/signal-input-dat/2026-03-05-13-46-54.png
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Tech-dat/Interface-dat/signal-input-dat/signal-input-dat.md
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+# signal-input-dat
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+## optical signal input
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+- [[isolator-dat]] - [[signal-input-dat]] - [[optical-coupler-dat]]
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+
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+from 5V or so to 3V3
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+
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+![](2026-03-05-13-46-54.png)
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+## ref
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+
Tech-dat/Interface-dat/signal-output-dat/2026-03-05-13-49-08.png
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Tech-dat/Interface-dat/signal-output-dat/signal-output-dat.md
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+# signal-output-dat
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+
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+
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+- [[signal-output-dat]] - [[signal-input-dat]] - [[interface-dat]] - [[74hct245-dat]]
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+
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+- 3V3 to 5V or higher
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+
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+![](2026-03-05-13-49-08.png)
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+
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+
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+
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+
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+## ref
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+
Tech-dat/Optical-Coupler-DAT/Optical-Coupler-DAT.md
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- [[AC-isolation-dat]] - [[everlight-dat]] - [[EL357-dat]]
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+- [[isolator-dat]] - [[signal-input-dat]] - [[optical-coupler-dat]]
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## wiring
Tech-dat/acturator-dat/relay-dat/2026-03-05-13-45-25.png
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Tech-dat/acturator-dat/relay-dat/relay-dat.md
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![](2025-12-16-19-31-03.png)
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+### spindle motor drive
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+![](2026-03-05-13-45-25.png)
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- [[relay-dat]] - [[IOR-dat]] - [[chip-dat]]
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## ref
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- [[transistor-dat]]
Tech-dat/signal-dat/DDS-dat/DDS-dat.md
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### AD9833 — Programmable Waveform Generator
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- Module: AD9833 Programmable Waveform Generator Module (Sine, Triangle, Square)
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-- Link: [[AD-signal-dat]]
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+- Link: [[AD-interface-dat]]
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Short description: The AD9833 from Analog Devices is a low-power (≈12.65 mW) programmable DDS waveform generator that produces sine, triangle and square waves. It operates from 2.3 V to 5.5 V and is controlled over a simple 3-wire SPI-compatible interface for easy microcontroller integration.
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Tech-dat/tech-dat.md
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- [[filter-dat]]
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## Utilities
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- [[RTC-dat]] - [[buffer-dat]]
app-dat/app-dat.md
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## ref
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+- [[fab-workspace-dat]]
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+
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- [[maker]]
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- [[physics-dat]]
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\ No newline at end of file
fab-dat/fab-Tools-dat/multimeter-dat/multimeter-dat.md
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# multimeter-dat
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+DMM == A Digital Multimeter (DMM) is an essential, handheld or benchtop electronic tool used to measure electrical values like voltage, current, and resistance with high accuracy.
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+
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## good list