BOM-DAT/mosfet-dat/mos-n-dat/mos-n-dat.md
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@@ -18,6 +18,32 @@
18 18
![](2025-08-24-19-03-40.png)
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+- IRFR1205 - [[infineon-dat]]
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+- IRFR5305 - [[infineon-dat]]
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+
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+- [[onsemi-dat]]
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+
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+NCE6050KA - The NCE6050KA is a 60V, 50A N-channel enhancement mode power MOSFET from NCE Power, typically available in a TO-252 (DPAK) surface-mount package. It features low on-resistance and is designed for high-current applications such as power switching, motor drivers, and industrial systems.
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+
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+SI2302DS
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+
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+SI2304
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+
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+SI2306 A6SHB
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+
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+SI2308 A8SHB MOS管 N沟道场效应管晶体管
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+
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+RQ3E080BNTB
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+
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+AO3400A
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+
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+## dual mos-N
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+
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+IRF8313 TRPBF
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+
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+
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+
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+
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## DMG1012T-7
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23 49
N-CHANNEL ENHANCEMENT MODE MOSFET
BOM-DAT/mosfet-dat/mos-p-dat/mos-p-dat.md
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@@ -4,14 +4,31 @@
4 4
- [[mosfet-dat]]
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6 6
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-- IRLML6402 TRPBF
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-- SI2318 A
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+
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+
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## control
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12 12
- [[adc-dat]]
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14 14
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+## parts
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+
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+- [[AO3401-dat]]
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+
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+- IRLML6402 TRPBF
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+- SI2318 A
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+
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+- IRF4905
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+- IRF9540N
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+
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+SI4435 - SOIC-8 P沟道 -30V/-8.1A 贴片MOSFET
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+
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+SI2307
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+
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+IRLML6402TRPBF
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+
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+
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## P-mosfet
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@@ -37,10 +54,6 @@ Low-side drive is typically used with N-channel MOSFETs, not P-channel.
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-## parts
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-
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-- [[AO3401-dat]]
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-
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## ref
46 59
BOM-DAT/mosfet-dat/mosfet-dat.md
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@@ -15,7 +15,7 @@ control by [[arduino-dat]] - [[MCU-dat]]
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- [[PWM-dat]]
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-- [[n-mosfet-control-dat]] - [[P-mos-dat]] - [[mos-n-dat]]
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+- [[n-mosfet-control-dat]] - [[mos-P-dat]] - [[mos-n-dat]]
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- [[dual-mosfet-dat]]
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Chip-cn-dat/Espressif-dat/ESP32-S3-DAT/ESP32-S3-DAT.md
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@@ -1,7 +1,7 @@
1 1
2 2
# ESP32-S3-dat
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-- [[ESP32-S3-chip-DAT]]
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+- [[ESP32-S3-chip-DAT]] - [[ESP32-Dat]]
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6 6
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- [[ESP32-S3-SDK-dat]] - [[ESP32-SDK-dat]] - [[ESP-SDK-dat]]
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@@ -9,12 +9,15 @@
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- [[ESP32-S3-HDK-dat]]
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+for [[ESP32-S3-dat]] - [[ESP32-dat]] - [[HDK-dat]] - [[peripherals-dat]] - [[interface-dat]] - [[ADC-dat]] - [[DAC-dat]] - [[I2C-dat]] - [[serial-dat]] - [[gpio-dat]] - [[usb-sdk-dat]] - [[SPI-dat]] - [[I2S-dat]] - [[PDM-dat]] - [[DMA-dat]] - [[ISR-dat]] - [[Interrupt-dat]] - [[RMT-dat]] - [[PWM-dat]]
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+
12 14
- [[ESP32-S3-module-DAT]] - [[ESP32-S3-WROOM-1-dat]] - [[ESP32-S3-board-dat]]
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- [[ESP32-S3-app-DAT]]
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17 19
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+
18 21
## board
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20 23
- [[ESP32-S3-Board-DAT]]
Chip-cn-dat/Espressif-dat/ESP32-dat/ESP32-HDK-dat/ESP32-HDK-dat.md
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@@ -8,8 +8,13 @@
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- [[ESP-prog-dat]]
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-- [[ESP32-ADC-dat]] - [[ESP32-DAC-dat]] - [[ESP32-I2C-dat]] - [[esp32-serial-dat]] - [[esp32-gpios-dat]] - [[esp32-usb-dat]] - [[ESP32-SPI-dat]] - [[ESP32-I2S-dat]]
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+- [[ESP32-ADC-dat]] - [[ESP32-DAC-dat]] - [[ESP32-I2C-dat]] - [[esp32-serial-dat]] - [[esp32-gpios-dat]] - [[esp32-usb-dat]] - [[ESP32-SPI-dat]] - [[ESP32-I2S-dat]] - [[ESP32-PDM-dat]]
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+- [[ESP32-dat]] - [[HDK-dat]] - [[peripherals-dat]] - [[ADC-dat]] - [[DAC-dat]] - [[I2C-dat]] - [[serial-dat]] - [[gpio-dat]] - [[usb-sdk-dat]] - [[SPI-dat]] - [[I2S-dat]] - [[PDM-dat]] - [[DMA-dat]] - [[ISR-dat]]
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+
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+
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+
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+- [[GPIO-dat]]
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## hardware design guidelines
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Chip-cn-dat/Espressif-dat/ESP32-dat/ESP32-dat.md
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@@ -2,6 +2,8 @@
2 2
3 3
# ESP32
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+
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+
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## new chip info
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- [[ESP32-S3-dat]] - [[ESP32-S2-dat]]
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@@ -24,7 +26,8 @@ and more at [[espressif-dat]]
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25 27
- [[ESP-SDK-dat]] - [[ESP32-SDK-dat]]
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-- [[ESP32-HDK-dat]] - [[ESP32-serial-dat]]
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+- [[ESP32-HDK-dat]] - [[ESP32-serial-dat]] - [[ESP32-ADC-dat]] - [[ESP32-DAC-dat]] - [[ESP32-I2C-dat]] - [[esp32-serial-dat]] - [[esp32-gpios-dat]] - [[esp32-usb-dat]] - [[ESP32-SPI-dat]] - [[ESP32-I2S-dat]] - [[ESP32-PDM-dat]] - [[ESP32-ISR-dat]] - [[ESP32-DMA-dat]] - [[DMA-dat]]
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+
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- [[ESP32-modules-dat]] - [[ESP32-board-dat]]
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Chip-dat/Infineon-dat/Infineon-dat.md
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@@ -6,8 +6,14 @@
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- [[IRF540N-dat]] - [[IRF8313-dat]] - [[F5305-dat]]
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-IRF1404
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-IRF3205
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+- IRF1404
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+- IRF3205
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+- IRFR1205 - [[infineon-dat]]
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+- IRFR5305 - [[infineon-dat]]
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+
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+- IRF540N
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+
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+
11 17
12 18
## mosfet
13 19
Chip-dat/OnSemi-dat/OnSemi-dat.md
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@@ -39,6 +39,9 @@ The Switch−mode Power Rectifier employs the Schottky Barrier principle in a la
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![](2026-01-25-20-29-23.png)
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+
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+
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+
42 45
## ref
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44 47
- [[chip-dat]]
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\ No newline at end of file
Tech-dat/HDK-dat/HDK-dat.md
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@@ -1,4 +1,13 @@
1 1
2 2
# HDK-dat
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-- [[HDK]]
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\ No newline at end of file
0
+- [[HDK]]
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+
2
+
3
+for [[ESP32-S3-dat]] - [[ESP32-dat]] - [[HDK-dat]] - [[peripherals-dat]] - [[interface-dat]] - [[ADC-dat]] - [[DAC-dat]] - [[I2C-dat]] - [[serial-dat]] - [[gpio-dat]] - [[usb-sdk-dat]] - [[SPI-dat]] - [[I2S-dat]] - [[PDM-dat]] - [[DMA-dat]] - [[ISR-dat]] - [[Interrupt-dat]] - [[RMT-dat]] - [[PWM-dat]]
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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/HDK-dat/ISR-dat/ISR-dat.md
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@@ -0,0 +1,44 @@
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+
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+
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+# ISR-dat
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+
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+- [[HDK-dat]] - [[ISR-dat]] - [[interrupt-dat]]
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+
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+
8
+An ISR is a specialized function that the ESP32 (or any MCU) executes immediately when a specific hardware event occurs. It "interrupts" the main program flow, handles the event, and then returns the CPU to exactly where it left off.
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+
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+### 2. THE ANALOGY: "The Kitchen Timer"
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+- MAIN LOOP: You are busy chopping vegetables (the main task).
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+- INTERRUPT: A timer goes off (the hardware signal).
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+- ISR: You stop chopping, turn off the timer, and return to chopping.
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+- RESULT: You didn't have to keep looking at the clock (no "polling").
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+
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+### 3. THE "THREE GOLDEN RULES" FOR ESP32 ISRs
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+To prevent system crashes or "Watchdog Timer" reboots, follow these:
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+
19
+1. KEEP IT SHORT:
20
+ Only toggle a flag or increment a counter. Never use `delay()`,
21
+ `Serial.print()`, or long loops inside an ISR.
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+
23
+2. USE IRAM_ATTR:
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+ The function must be decorated with `void IRAM_ATTR name()`.
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+ This stores the code in Internal RAM so the CPU can access it
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+ instantly, even if the Flash memory is busy.
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+
28
+3. USE VOLATILE VARIABLES:
29
+ Any variable changed inside an ISR and read in the main loop
30
+ must be declared as `volatile` (e.g., `volatile int count;`).
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+
32
+### 4. ISR vs. POLLING
33
+- POLLING: Constantly checking `if (digitalRead(pin) == LOW)`.
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+ (Wasteful, slow, can miss fast signals).
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+- ISR: The hardware tells the CPU the moment it happens.
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+ (Efficient, near-instant, perfect for motor encoders).
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+
38
+### 5. EXECUTION FLOW
39
+[ Signal ] -> [ CPU Pauses Loop ] -> [ ISR Runs ] -> [ CPU Resumes Loop ]
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+
41
+
42
+## ref
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+
44
+
Tech-dat/HDK-dat/RMT-dat/RMT-dat.md
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@@ -0,0 +1,62 @@
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+
2
+
3
+# RMT-dat
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+
5
+
6
+
7
+## RMT vs. PWM: The Pulse Comparison
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+
9
+### 1. PWM (Pulse Width Modulation) - "The Metronome"
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+- CHARACTERISTIC: Constant frequency. The "ON" time and "OFF" time stay
11
+ the same for every cycle unless you manually change them.
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+- ANALOGY: A heartbeat. Thump-thump, thump-thump.
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+- BEST FOR: Dimming LEDs, controlling Motor speed (DRV8701), or Servos.
14
+
15
+### 2. RMT (Remote Control) - "The Drummer"
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+- CHARACTERISTIC: Variable pulse lengths. Every single pulse in a
17
+ sequence can have a different duration.
18
+- ANALOGY: Morse Code. Dot-Dash-Dot-Dot.
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+- BEST FOR: Complex data (Infrared codes, Neopixel data packets).
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+
21
+### 3. THE DIFFERENCE IN CODE
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+
23
+| Feature | PWM (LEDC) | RMT |
24
+|-----------------|---------------------------------|--------------------------------|
25
+| Pulse Pattern | Repeating (Symmetrical) | Unique (Custom Sequence) |
26
+| Data Storage | 1 Duty Cycle Value | A Buffer of many pulse lengths |
27
+| Main Goal | Power/Speed Control | Information/Data Transfer |
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+
29
+
30
+
31
+## info
32
+
33
+RMT is a hardware-based "Pulse Generator" and "Pulse Recorder." It uses a dedicated memory buffer to store a sequence of high/low durations and then "clocks" them out to a pin with nanosecond precision.
34
+
35
+### 2. WHY IT EXISTS
36
+Many digital devices (like WS2812B LEDs or IR Sensors) require signals timed
37
+down to the microsecond.
38
+- Doing this with the CPU (using `delayMicroseconds`) is unreliable because
39
+ interrupts or Wi-Fi tasks can "jitter" the timing.
40
+- RMT handles the timing in hardware, leaving the CPU free for other tasks.
41
+
42
+### 3. THE ANALOGY: "The Music Box"
43
+- THE CPU: The composer who writes the sheet music (the pulse sequence).
44
+- RMT BUFFER: The sheet music itself.
45
+- RMT PERIPHERAL: The music box mechanism that plays the notes at a
46
+ perfect, steady rhythm without the composer being present.
47
+
48
+### 4. COMMON USE CASES
49
+- ADDRESSABLE LEDS: Driving WS2812B (Neopixels) with perfect timing.
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+- IR REMOTES: Sending or receiving TV/AirCon remote codes (Sony, NEC, etc.).
51
+- STEPPER MOTORS: Generating precise pulse trains for motor drivers.
52
+- CUSTOM PROTOCOLS: Any 1-wire or bit-banged protocol that is timing-sensitive.
53
+
54
+### 5. RMT vs. ISR vs. DMA
55
+- ISR: Reacts to a signal (CPU is involved).
56
+- DMA: Moves bulk data (CPU is bypassed).
57
+- RMT: "Sculpts" a signal (Hardware handles the clock and timing).
58
+
59
+### 6. KEY SPECIFICATIONS (ESP32)
60
+- Channels: 8 channels (4 TX / 4 RX) on original ESP32.
61
+- Resolution: Based on the APB clock (usually 12.5ns per "tick").
62
+- Hardware Buffer: Small RAM dedicated to storing the pulse "on/off" pattern.
... ...
\ No newline at end of file
Tech-dat/HDK-dat/interrupt-dat/interrupt-dat.md
... ...
@@ -0,0 +1,5 @@
1
+
2
+
3
+# interrupt-dat
4
+
5
+- [[HDK-dat]] - [[ISR-dat]] - [[interrupt-dat]]