Chip-cn-dat/ZHONGKEWEI-dat/2026-07-15-20-26-44.png
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Chip-cn-dat/ZHONGKEWEI-dat/2026-07-15-20-30-58.png
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Chip-cn-dat/ZHONGKEWEI-dat/ZHONGKEWEI-dat.md
... ...
@@ -1,17 +1,79 @@
1 1
2 2
# ZHONGKEWEI-dat
3 3
4
+- [[zhongkewei-dat]] - [[motor-driver-dat]]
4 5
5
-- [[ZHONGKEWEI-dat]] - [[ATGM336H-dat]] - [[NGS1078-dat]]
6
+## motor driver
6 7
7
-- [[AT2100-dat]]
8
+AT8549 SSOP-10双通道H桥电机驱动芯片直流有刷电机/步进
9
+
10
+AT8548 SSOP-10 双通道H桥电机驱动芯片 直流有刷电机/步
11
+
12
+AT8222 ESOP-8 单通道直流有刷电机驱动芯片
13
+
14
+中科微马达驱动芯片：ATD5984 ATD5995 AT5989 AT5999 AT2100 AT2130 AT5130 AT8833 AT8549 AT8211E AT8637 AT1106
15
+
16
+
17
+- [[AT8236-dat]] - [[AT8837-dat]] - [[AT8870-dat]]
18
+
19
+AT8837 UDFN-8 低压H桥电机驱动芯片 直流有刷电机驱动芯片
20
+
21
+AT8870 SOP-8 单通道直流有刷电机驱动芯片
22
+
23
+AT8833CQ QFN-16 双通道H桥电机驱动芯片 直流有刷电机/双极
24
+
25
+AT8236 ESOP-8 电机驱动芯片有刷直流电机驱动H桥驱动
26
+
27
+## stepper
28
+
29
+原装ATD5984 QFN-24内置转换器和过流保护的微特步进电机驱动芯片
8 30
9 31
AT2100 是一款内部集成了译码器的智能步进电机驱动芯片。它主要用于通过简单的脉冲输入来控制步进电机，常被广泛应用于3D打印机、医疗仪器、安防监控云台以及各类小型自动化设备中。核心参数与特性驱动能力：最大输出驱动能力达到 \(32\text{V} / \pm2.5\text{A}\)。细分支持：最高支持 16 细分，并支持 256 插补细分功能。静音技术：支持电压衰减模式，可使电机处于完全静音的工作状态，轨迹平滑。内部电流检测：可工作在内部电流检测模式，省去外部两个检流电阻，有效节省 PCB 面积和物料成本。智能省电：支持自动半流锁定功能，无脉冲输入时自动将输出电流减半，降低系统功耗。接口简便：采用 STEP/DIR（脉冲/方向）控制接口，输入一个脉冲即可使电机完成一次步进，省去了复杂的相序表与编程接口。
10 32
33
+- [[motor-stepper-driver-dat]]
34
+
35
+## GPS
36
+
37
+- [[ZHONGKEWEI-dat]] - [[ATGM336H-dat]] - [[NGS1078-dat]]
38
+
39
+- [[AT2100-dat]]
11 40
12 41
中科微LNA芯片：ATR2037 ATR2092 ATR2031 ATR2032 ATR2034 ATR2035 AT6558 AT6558 AT6558D AT6558D AT6558E AT6558E
13 42
中科微卫星定位模块：ATGM331C-5N ATGM332D-5N ATGM332D-5N ATGM332D-5N ATGM336H-5N ATGM336H-5N ATGM332D-5L ATGM332D-5S
14
-中科微马达驱动芯片：ATD5984 ATD5995 AT5989 AT5999 AT2100 AT2130 AT5130 AT8833 AT8549 AT8211E AT8637 AT1106
43
+
15 44
中科微前端射频模组芯片：AT2401C AT2402E
16 45
中科微定位芯片: AT6558 AT6558 AT6558D AT6558D AT6558E AT6558E AT6558R
17 46
47
+
48
+## RF gain
49
+
50
+- [[AT2659-dat]] - [[ATR2037-dat]] - [[zhongkewei-dat]] - [[ATR2652-dat]] - [[amplifier-GNSS-dat]]
51
+
52
+ATR2652 DFN-6 GNSS全频段高增益低噪声放大器芯片
53
+
54
+- [[amplifier-dat]] - [[amplifier-GNSS-dat]] - [[zhongkewei-dat]]
55
+
56
+
57
+## display
58
+
59
+- [[display-driver-dat]] - [[OSD-driver-dat]] - [[zhongkewei-dat]] - [[OSD-dat]]
60
+
61
+AT7456ELAH LGA-16 集成EEPROM单通道单色随屏显示发生器芯片 == 集成了EEPROM的 单通道、单色随屏显示器
62
+
63
+![](2026-07-15-20-26-44.png)
64
+
65
+
66
+AT7456E TSSOP-28集成了EEPROM单通道单色随屏显示发生器芯片
67
+
68
+![](2026-07-15-20-30-58.png)
69
+
70
+
71
+## rf
72
+
73
+- [[zigbee-dat]] - [[zhongkewei-dat]]
74
+
75
+AT2401C QFN-16 2.4GHz Zigbee 射频前端芯片
76
+
77
+
78
+## ref
79
+
Network-dat/RF-dat/RF-DAT.md
... ...
@@ -9,6 +9,11 @@
9 9
10 10
- [[BK2425-dat]] - [[RF-2.4Ghz-dat]] - [[frequency-dat]] - [[beken-dat]] - [[RF-dat]]
11 11
12
+
13
+- [[amplifier-dat]] - [[amplifier-GNSS-dat]]
14
+
15
+
16
+
12 17
## chips
13 18
14 19
Sub-1GHz - [[RF-1Ghz-dat]]
Network-dat/RF-protocol-dat/ASK-dat/ASK-dat.md
... ...
@@ -0,0 +1,19 @@
1
+
2
+
3
+# ASK-dat
4
+
5
+
6
+- [[RF-protocol-dat]] - [[zigbee-dat]] - [[ASK-dat]] - [[RF-dat]]
7
+
8
+## chip
9
+
10
+JSM900R SOP-8 无线接收芯片315M/433M低功耗ASK/OOK遥控IC
11
+
12
+SYN500R SSOP-16 无线接收芯片315M/433M ASK/OOK遥控
13
+
14
+SYN480R SOP-8无线接收芯片315M/433M ASK/OOK遥控门
15
+
16
+
17
+
18
+## ref
19
+
Network-dat/RF-protocol-dat/RF-protocol-dat.md
... ...
@@ -0,0 +1,8 @@
1
+
2
+# RF-protocol-dat
3
+
4
+- [[RF-protocol-dat]] - [[zigbee-dat]] - [[ASK-dat]] - [[RF-dat]]
5
+
6
+
7
+
8
+## ref
... ...
\ No newline at end of file
Network-dat/radio-dat/radio-FM-dat/radio-FM-dat.md
... ...
@@ -14,6 +14,8 @@
14 14
15 15
- [[RDA5807-dat]] - [[RDA-dat]] - [[radio-FM-dat]] - [[radio-dat]] - [[jieli-dat]]
16 16
17
+- [[RDA5820-dat]]
18
+
17 19
18 20
## board
19 21
Network-dat/zigbee-dat/zigbee-dat.md
... ...
@@ -1,15 +1,25 @@
1
-
2
-# zigbee-dat
3
-
4
-- [[IEEE-dat]]
5
-
6
-- [[CC2530-dat]] - [[CC2630-dat]] - [[TI-network-dat]]
7
-
8
-- [[ESP32-C6-dat]]
9
-
10
-zigbee is a wireless communication protocol based on the IEEE 802.15.4 standard, designed for low-power, low-data-rate applications in personal area networks. It is widely used in home automation, industrial control, and sensor networks due to its mesh networking capabilities and energy efficiency.
11
-
12
-
13
-## ref
14
-
1
+
2
+# zigbee-dat
3
+
4
+- [[IEEE-dat]] - [[zigbee-dat]] - [[rf-protocol-dat]]
5
+
6
+
7
+zigbee is a wireless communication protocol based on the IEEE 802.15.4 standard, designed for low-power, low-data-rate applications in personal area networks. It is widely used in home automation, industrial control, and sensor networks due to its mesh networking capabilities and energy efficiency.
8
+
9
+
10
+
11
+
12
+## chip
13
+
14
+- [[zigbee-dat]] - [[zhongkewei-dat]]
15
+
16
+- [[CC2530-dat]] - [[CC2630-dat]] - [[TI-network-dat]]
17
+
18
+- [[ESP32-C6-dat]]
19
+
20
+
21
+
22
+
23
+## ref
24
+
15 25
- [[network-dat]]
... ...
\ No newline at end of file
Sensor-dat/sensor-motion-dat/sensor-motion-dat.md
... ...
@@ -15,6 +15,9 @@
15 15
16 16
- [[sensor-TOF-dat]]
17 17
18
+
19
+
20
+
18 21
## chips
19 22
20 23
- [[isentek-dat]] - [[st-sensor-dat]] - [[bosch-dat]] - [[InvenSense-dat]] - [[amsys-sensor-dat]]
Tech-dat/Interface-dat/I2S-dat/2026-07-15-20-11-06.png
... ...
Binary files /dev/null and b/Tech-dat/Interface-dat/I2S-dat/2026-07-15-20-11-06.png differ
Tech-dat/Interface-dat/I2S-dat/I2S-dat.md
... ...
@@ -1,189 +1,199 @@
1
-
2
-# I2S-dat
3
-
4
-
5
-## tech
6
-
7
-
8
-- [[I2S-dat]] - [[speaker-I2S-dat]] - [[sensor-microphone-I2S-dat]] - [[PDM-dat]]
9
-
10
-- [[audio-dat]] - [[codec-audio-dat]] - [[amplifier-audio-dat]] - [[speaker-dat]] - [[speaker-I2S-dat]] - [[DAC-dat]]
11
-
12
-- [[DAC-dat]] - [[amplifier-audio-dat]] - [[speaker-dat]]
13
-
14
-
15
-- speaker == [[I2S-DAC-dat]]
16
-
17
-- [[sensor-dat]]
18
-
19
-- [[ESP32-S3-dat]] - [[ESP32-S3-chip-dat]]
20
-
21
-- [[codec-audio-dat]] - [[codec-dat]] - [[audio-dat]] - [[I2S-dat]]
22
-
23
-- [[ADC-dat]] - [[ADC-RECORD-dat]] - [[DAC-dat]] - [[DAC-PLAYBACK-dat]]
24
-
25
-- [[sensor-microphone-dat]] - [[sensor-microphone-I2S-dat]]
26
-
27
-## info
28
-
29
-An I2S (Interactive Two-Way Serial) interface is a type of serial communication protocol used for transferring data between devices.
30
-
31
-It is commonly used in computer networking, as well as in audio processing and digital electronics.
32
-
33
-I2S interfaces typically use a combination of fast and slow data transfer rates to make efficient use of communication bandwidth and minimize noise and errors.
34
-
35
-One of the key features of I2S interfaces is their ability to support full-duplex communication, which allows for the simultaneous transfer of data in both directions.
36
-
37
-This makes I2S a popular choice for high-speed data transfer applications.
38
-
39
-
40
-
41
-### 1. Pin Mapping Logic
42
-
43
-To get this working, you simply need to map your microphone's pins to the ESP32’s I2S peripheral. Here is how they correspond:
44
-
45
-| Microphone Label | I2S Standard Name | variants | ESP32 Function | Role |
46
-|:------------------|:---------------------|---|:---------------|:--------------------------------------------------|
47
-| **CLK** (or BCLK) | **SCK** (Bit Clock) | CLK | Output | The heartbeat that times every individual bit. |
48
-| **L/R** (or WS) | **WS** (Word Select) | FS | Output | Toggles to define the start of Left/Right frames. |
49
-| **DATA** (or SD) | **SDIN** (Data In) | TX | Input | The digital audio stream entering the ESP32. |
50
-
51
-
52
-### 2. Why "MCLK" is Missing
53
-
54
-If you are looking at ESP32 documentation, you might see a fourth signal called **MCLK (Master Clock)**.
55
-* **The Good News:** Most I2S MEMS microphones (like the INMP441 or SPH0645) do **not** require an MCLK signal. They derive their internal timing directly from the Bit Clock (CLK).
56
-* **The Setup:** You can simply leave the MCLK configuration in your code as "unused" or -1.
57
-
58
-
59
-### WS pin
60
-
61
-The WS pin stands for Word Select. In the I2S (Inter-IC Sound) protocol, it is the signal that manages the timing and "addressing" of the audio data bits.
62
-
63
-Think of it as the toggle switch that tells the receiver (like your ESP32) whether the data currently arriving belongs to the Left channel or the Right channel.
64
-
65
-That is correct. The WS pin (Word Select) is absolutely mandatory for I2S communication. You cannot skip it, leave it floating, or tie it directly to a constant voltage (GND/3.3V).
66
-
67
-If you skip the WS pin, the ESP32 will have no way of knowing:
68
-
69
-When a "word" (an audio sample) starts. Without a sync signal, the data just looks like a random, infinite string of bits.
70
-
71
-Which bit is the Most Significant Bit (MSB). Audio data is usually 16, 24, or 32 bits long. WS tells the ESP32 to "start counting" bits for a new sample.
72
-
73
-
74
-Other Common Names for WS
75
-
76
-Depending on the datasheet for your microphone or DAC, you might see the WS pin labeled as:
77
-
78
-- LRCLK (Left/Right Clock)
79
-- FS (Frame Sync)
80
-- LRCK
81
-
82
-
83
-## chips and chips
84
-
85
-- [[everest-semi-dat]]
86
-
87
-- [[ES9023-dat]] - [[MPC1111-dat]] - [[ES9018-dat]]
88
-
89
-- [[PCM5121-dat]]
90
-
91
-PCM512x 2-VRMS DirectPath™ , 112-dB and 106-dB Audio Stereo DACs With 32-Bit, 384-kHz PCM Interface
92
-
93
-- [[PCM5122-dat]] - [[MPC1083-dat]]
94
-
95
-- [[cirrus-dat]]
96
-
97
-
98
-## Other combine use with ESP32-S3
99
-
100
-![](2025-01-06-17-07-16.png)
101
-
102
-
103
-
104
-## pins I2S and PDM
105
-
106
-
107
-
108
-* **I2S (Inter-IC Sound):** Uses a **3-wire** bus (Bit Clock, Word Select/Left-Right Clock, and Data). It transmits pulse-code modulation (PCM) data.
109
-* **PDM (Pulse Density Modulation):** Uses a **2-wire** bus (Clock and Data). It transmits a high-frequency stream of single bits where the "density" of the bits represents the amplitude.
110
-
111
-The ESP32-S3 has **two independent I2S peripherals** (I2S0 and I2S1). This allows you to use one for output and one for input.
112
-
113
-#### Recommended Wiring Strategy:
114
-To save pins, you can sometimes share the **Clock** pin, but it is technically difficult because PDM and I2S usually require different clock frequencies. It is much safer to use dedicated pins for each:
115
-
116
-| Component | Signal | Suggested ESP32-S3 GPIO |
117
-| :-------------------------------- | :----------------- | :---------------------- |
118
-| **I2S Speaker (e.g., MAX98357A)** | BCLK (Bit Clock) | GPIO 14 |
119
-| | LRCK (Word Select) | GPIO 15 |
120
-| | DIN (Data In) | GPIO 16 |
121
-| **PDM Mic (e.g., SPM1423)** | CLK (Clock) | GPIO 4 |
122
-| | DAT (Data Out) | GPIO 5 |
123
-
124
-- [[ESP32-S3-dat]]
125
-
126
-
127
-## demo video
128
-
129
-- [[MAX98357-dat]] works with [[ESP32-dat]] - https://x.com/electro_phoenix/status/1877255863846465989
130
-
131
-
132
-## code
133
-
134
-- Adafruit_Zero_I2S_Library == SAMD MCUs only
135
-
136
-
137
-https://github.com/sheaivey/ESP32-AudioInI2S
138
-
139
-https://github.com/atomic14/esp32_audio == [[platformIO-dat]]
140
-
141
-https://github.com/schreibfaul1/ESP32-audioI2S == easy
142
-
143
-https://github.com/earlephilhower/ESP8266Audio
144
-
145
-## Micropython driver
146
-
147
-- [[Micropython-dat]]
148
-
149
-- [[I2S-DAC-dat]] driver
150
-
151
-https://github.com/miketeachman/micropython-i2s-examples
152
-
153
-- [[I2S-microphone-dat]] driver
154
-
155
-#ESP32 I2S MEMS Microphone Arduino IDE Example This repository holds some samples for connecting a I2S MEMS microphone to an ESP32 board.
156
-
157
-https://github.com/miketeachman/micropython-i2s-examples
158
-
159
-
160
-
161
-
162
-## app
163
-
164
-- [[robot-dat]] - [[robot]]
165
-
166
-
167
-## ref
168
-
169
-audio amplifer - [[audio-dat]] - [[amplifier-dat]] - [[CS4344-dat]]
170
-
171
-
172
-- [[ES9023-dat]] - [[MPC1111-dat]] - [[ES9018-dat]]
173
-
174
-- [[WM8960-dat]] - [[WM8978-dat]]
175
-
176
-
177
-
178
-- [[bt-audio-dat]] - [[ESP32-DAC-dat]] - [[ADC-dat]] - [[DAC-dat]] - [[ESP32-I2S-dat]]
179
-
180
-- [[PCM1808-dat]]
181
-
182
-- [[software-i2s-dat]]
183
-
184
-
185
-
186
-https://en.wikipedia.org/wiki/I%C2%B2S
187
-
188
-- [[I2S]]
189
-
1
+
2
+# I2S-dat
3
+
4
+
5
+## tech
6
+
7
+
8
+- [[I2S-dat]] - [[speaker-I2S-dat]] - [[sensor-microphone-I2S-dat]] - [[PDM-dat]]
9
+
10
+- [[audio-dat]] - [[codec-audio-dat]] - [[amplifier-audio-dat]] - [[speaker-dat]] - [[speaker-I2S-dat]] - [[DAC-dat]]
11
+
12
+- [[DAC-dat]] - [[amplifier-audio-dat]] - [[speaker-dat]]
13
+
14
+
15
+- speaker == [[I2S-DAC-dat]]
16
+
17
+- [[sensor-dat]]
18
+
19
+- [[ESP32-S3-dat]] - [[ESP32-S3-chip-dat]]
20
+
21
+- [[codec-audio-dat]] - [[codec-dat]] - [[audio-dat]] - [[I2S-dat]]
22
+
23
+- [[ADC-dat]] - [[ADC-RECORD-dat]] - [[DAC-dat]] - [[DAC-PLAYBACK-dat]]
24
+
25
+- [[sensor-microphone-dat]] - [[sensor-microphone-I2S-dat]]
26
+
27
+## info
28
+
29
+An I2S (Interactive Two-Way Serial) interface is a type of serial communication protocol used for transferring data between devices.
30
+
31
+It is commonly used in computer networking, as well as in audio processing and digital electronics.
32
+
33
+I2S interfaces typically use a combination of fast and slow data transfer rates to make efficient use of communication bandwidth and minimize noise and errors.
34
+
35
+One of the key features of I2S interfaces is their ability to support full-duplex communication, which allows for the simultaneous transfer of data in both directions.
36
+
37
+This makes I2S a popular choice for high-speed data transfer applications.
38
+
39
+
40
+
41
+### 1. Pin Mapping Logic
42
+
43
+To get this working, you simply need to map your microphone's pins to the ESP32’s I2S peripheral. Here is how they correspond:
44
+
45
+| Microphone Label | I2S Standard Name | variants | ESP32 Function | Role |
46
+|:------------------|:---------------------|---|:---------------|:--------------------------------------------------|
47
+| **CLK** (or BCLK) | **SCK** (Bit Clock) | CLK | Output | The heartbeat that times every individual bit. |
48
+| **L/R** (or WS) | **WS** (Word Select) | FS | Output | Toggles to define the start of Left/Right frames. |
49
+| **DATA** (or SD) | **SDIN** (Data In) | TX | Input | The digital audio stream entering the ESP32. |
50
+
51
+
52
+### 2. Why "MCLK" is Missing
53
+
54
+If you are looking at ESP32 documentation, you might see a fourth signal called **MCLK (Master Clock)**.
55
+* **The Good News:** Most I2S MEMS microphones (like the INMP441 or SPH0645) do **not** require an MCLK signal. They derive their internal timing directly from the Bit Clock (CLK).
56
+* **The Setup:** You can simply leave the MCLK configuration in your code as "unused" or -1.
57
+
58
+
59
+### WS pin
60
+
61
+The WS pin stands for Word Select. In the I2S (Inter-IC Sound) protocol, it is the signal that manages the timing and "addressing" of the audio data bits.
62
+
63
+Think of it as the toggle switch that tells the receiver (like your ESP32) whether the data currently arriving belongs to the Left channel or the Right channel.
64
+
65
+That is correct. The WS pin (Word Select) is absolutely mandatory for I2S communication. You cannot skip it, leave it floating, or tie it directly to a constant voltage (GND/3.3V).
66
+
67
+If you skip the WS pin, the ESP32 will have no way of knowing:
68
+
69
+When a "word" (an audio sample) starts. Without a sync signal, the data just looks like a random, infinite string of bits.
70
+
71
+Which bit is the Most Significant Bit (MSB). Audio data is usually 16, 24, or 32 bits long. WS tells the ESP32 to "start counting" bits for a new sample.
72
+
73
+
74
+Other Common Names for WS
75
+
76
+Depending on the datasheet for your microphone or DAC, you might see the WS pin labeled as:
77
+
78
+- LRCLK (Left/Right Clock)
79
+- FS (Frame Sync)
80
+- LRCK
81
+
82
+
83
+## chips and chips
84
+
85
+- [[everest-semi-dat]]
86
+
87
+- [[ES9023-dat]] - [[MPC1111-dat]] - [[ES9018-dat]]
88
+
89
+- [[PCM5121-dat]]
90
+
91
+PCM512x 2-VRMS DirectPath™ , 112-dB and 106-dB Audio Stereo DACs With 32-Bit, 384-kHz PCM Interface
92
+
93
+- [[PCM5122-dat]] - [[MPC1083-dat]]
94
+
95
+- [[cirrus-dat]]
96
+
97
+
98
+## Other combine use with ESP32-S3
99
+
100
+![](2025-01-06-17-07-16.png)
101
+
102
+
103
+
104
+## pins I2S and PDM
105
+
106
+
107
+
108
+* **I2S (Inter-IC Sound):** Uses a **3-wire** bus (Bit Clock, Word Select/Left-Right Clock, and Data). It transmits pulse-code modulation (PCM) data.
109
+* **PDM (Pulse Density Modulation):** Uses a **2-wire** bus (Clock and Data). It transmits a high-frequency stream of single bits where the "density" of the bits represents the amplitude.
110
+
111
+The ESP32-S3 has **two independent I2S peripherals** (I2S0 and I2S1). This allows you to use one for output and one for input.
112
+
113
+#### Recommended Wiring Strategy:
114
+To save pins, you can sometimes share the **Clock** pin, but it is technically difficult because PDM and I2S usually require different clock frequencies. It is much safer to use dedicated pins for each:
115
+
116
+| Component | Signal | Suggested ESP32-S3 GPIO |
117
+| :-------------------------------- | :----------------- | :---------------------- |
118
+| **I2S Speaker (e.g., MAX98357A)** | BCLK (Bit Clock) | GPIO 14 |
119
+| | LRCK (Word Select) | GPIO 15 |
120
+| | DIN (Data In) | GPIO 16 |
121
+| **PDM Mic (e.g., SPM1423)** | CLK (Clock) | GPIO 4 |
122
+| | DAT (Data Out) | GPIO 5 |
123
+
124
+- [[ESP32-S3-dat]]
125
+
126
+
127
+## demo video
128
+
129
+- [[MAX98357-dat]] works with [[ESP32-dat]] - https://x.com/electro_phoenix/status/1877255863846465989
130
+
131
+
132
+## code
133
+
134
+- Adafruit_Zero_I2S_Library == SAMD MCUs only
135
+
136
+
137
+https://github.com/sheaivey/ESP32-AudioInI2S
138
+
139
+https://github.com/atomic14/esp32_audio == [[platformIO-dat]]
140
+
141
+https://github.com/schreibfaul1/ESP32-audioI2S == easy
142
+
143
+https://github.com/earlephilhower/ESP8266Audio
144
+
145
+## Micropython driver
146
+
147
+- [[Micropython-dat]]
148
+
149
+- [[I2S-DAC-dat]] driver
150
+
151
+https://github.com/miketeachman/micropython-i2s-examples
152
+
153
+- [[I2S-microphone-dat]] driver
154
+
155
+#ESP32 I2S MEMS Microphone Arduino IDE Example This repository holds some samples for connecting a I2S MEMS microphone to an ESP32 board.
156
+
157
+https://github.com/miketeachman/micropython-i2s-examples
158
+
159
+
160
+
161
+
162
+## app
163
+
164
+- [[robot-dat]] - [[robot]]
165
+
166
+
167
+## wiring
168
+
169
+- [[PCM1808-dat]]
170
+
171
+four wires - [[I2S-dat]]
172
+
173
+
174
+![](2026-07-15-20-11-06.png)
175
+
176
+
177
+## ref
178
+
179
+audio amplifer - [[audio-dat]] - [[amplifier-dat]] - [[CS4344-dat]]
180
+
181
+
182
+- [[ES9023-dat]] - [[MPC1111-dat]] - [[ES9018-dat]]
183
+
184
+- [[WM8960-dat]] - [[WM8978-dat]]
185
+
186
+
187
+
188
+- [[bt-audio-dat]] - [[ESP32-DAC-dat]] - [[ADC-dat]] - [[DAC-dat]] - [[ESP32-I2S-dat]]
189
+
190
+- [[PCM1808-dat]]
191
+
192
+- [[software-i2s-dat]]
193
+
194
+
195
+
196
+https://en.wikipedia.org/wiki/I%C2%B2S
197
+
198
+- [[I2S]]
199
+
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-BLDC-dat/motor-driver-BLDC-dat.md
... ...
@@ -22,6 +22,9 @@
22 22
23 23
- [[LK513-dat]] - [[LKS-dat]] - [[sytatek-dat]] - [[motor-driver-BLDC-dat]]
24 24
25
+AT8313QNR QFN-36 2.5A 三路半桥集成驱动芯片 三相直流无刷
26
+
27
+
25 28
26 29
### FOC (Field Oriented Control) Explained
27 30
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-dat.md
... ...
@@ -9,7 +9,7 @@
9 9
10 10
- [[motor-brushed-dat]] - [[motor-driver-dc-dat]]
11 11
12
-- [[motor-brushless-dat]] - [[ESC-dat]]
12
+- [[motor-brushless-dat]] - [[ESC-dat]] - [[motor-driver-BLDC-dat]]
13 13
14 14
15 15
- [[motor-dat]] - [[motor-driver-DC-dat]] - [[motor-driver-rc-dat]] - [[motor-driver-dat]]
... ...
@@ -145,7 +145,11 @@
145 145
146 146
- [[MX1508-dat]]
147 147
148
-- [[AT8236-dat]] - [[DRV8871-dat]] - [[DRV8701-dat]] - [[motor-driver-dat]]
148
+- [[DRV8871-dat]] - [[DRV8701-dat]] - [[motor-driver-dat]]
149
+
150
+- [[zhongkewei-dat]] - [[motor-driver-dat]]
151
+
152
+
149 153
150 154
### chip SOP8
151 155
Tech-dat/amplifier-dat/amplifier-GNSS-dat/amplifier-GNSS-dat.md
... ...
@@ -1,22 +1,31 @@
1
-
2
-# amplifier-GNSS-dat
3
-
4
-
5
-
6
-- [[AT2659-dat]] - [[ATR2037-dat]] - [[zhongkewei-dat]]
7
-
8
-- [[MAX2659-dat]]
9
-
10
-The MAX2659 high-gain, low-noise amplifier (LNA) is designed for GPS, Galileo, and GLONASS applications. Designed in Maxim’s advanced SiGe process, the device achieves a 20.5dB gain and an ultra-low-noise figure of 0.8dB while maximizing the input-referred 1dB compression point and the 3rd-order intercept point at -12dBm and -5dBm, respectively.
11
-
12
-- [[LNA-dat]]
13
-
14
-- [[location-dat]]
15
-
16
-
17
-
18
-## ref
19
-
20
-- [[amplifier-dat]]
21
-
22
-
1
+
2
+# amplifier-GNSS-dat
3
+
4
+- [[amplifier-rf-dat]] - [[amplifier-dat]] - [[amplifier-GNSS-dat]] - [[zhongkewei-dat]]
5
+
6
+
7
+
8
+- [[AT2659-dat]] - [[ATR2037-dat]] - [[zhongkewei-dat]] - [[ATR2652-dat]] - [[amplifier-GNSS-dat]]
9
+
10
+- [[MAX2659-dat]]
11
+
12
+The MAX2659 high-gain, low-noise amplifier (LNA) is designed for GPS, Galileo, and GLONASS applications. Designed in Maxim’s advanced SiGe process, the device achieves a 20.5dB gain and an ultra-low-noise figure of 0.8dB while maximizing the input-referred 1dB compression point and the 3rd-order intercept point at -12dBm and -5dBm, respectively.
13
+
14
+- [[LNA-dat]]
15
+
16
+- [[location-dat]]
17
+
18
+
19
+
20
+## band L1
21
+
22
+AT2659S SOT-23-6 GNSS L1频段卫星导航射频前端 放大器芯片 - [[zhongkewei-dat]]
23
+
24
+AT2659 DFN-6 GNSS L1频段卫星导航射频前端低噪声放大器芯片
25
+
26
+
27
+## ref
28
+
29
+- [[amplifier-dat]]
30
+
31
+
Tech-dat/amplifier-dat/amplifier-audio-dat/amplifier-audio-dat.md
... ...
@@ -49,7 +49,7 @@
49 49
50 50
- [[HT8691-dat]] - [[heroic-dat]] - [[amplifier-audio-dat]]
51 51
52
-
52
+- [[PCM1808-dat]] - [[I2S-dat]]
53 53
54 54
## chip
55 55
Tech-dat/amplifier-dat/amplifier-rf-dat/amplifier-rf-dat.md
... ...
@@ -0,0 +1,14 @@
1
+
2
+
3
+# amplifier-rf-dat
4
+
5
+- [[amplifier-rf-dat]] - [[amplifier-dat]] - [[amplifier-GNSS-dat]] - [[zhongkewei-dat]]
6
+
7
+
8
+原装ATR2037 DFN-8 无线通信射频前端 0.7-6GHz低噪声放大器芯片
9
+
10
+
11
+
12
+
13
+## ref
14
+
Tech-dat/interactive-dat/display-dat/OSD-dat/OSD-dat.md
... ...
@@ -0,0 +1,40 @@
1
+
2
+
3
+# OSD-dat.md
4
+
5
+- [[OSD-dat]] - [[VTX-dat]]
6
+
7
+- [[OSD-dat]] - [[display-driver-dat]] - [[OSD-driver-dat]] - [[zhongkewei-dat]]
8
+
9
+- [[camera-analog-dat]] - [[SPI-dat]] - [[video-dat]]
10
+
11
+
12
+### What is OSD (On-Screen Display)?
13
+
14
+**OSD** stands for **On-Screen Display**. It is a graphical overlay—a menu, icon, or text—that is superimposed onto the main image of a screen.
15
+
16
+Essentially, an OSD allows you to interact with a device's settings or view real-time information without needing to navigate physical buttons or complex external menus.
17
+
18
+---
19
+
20
+### Common Uses of OSD
21
+
22
+* **Monitors and Televisions:** This is the most common use. You use the OSD to adjust settings like brightness, contrast, color temperature, volume, and input source selection.
23
+* **Gaming:** OSDs are frequently used in video games to show essential "heads-up" information, such as health bars, ammunition counts, mini-maps, or system performance metrics (like frame rate and CPU temperature) without pausing the game.
24
+* **FPV (First-Person View) Drones:** OSDs are critical for drone pilots, as they overlay flight telemetry—such as altitude, battery life, speed, and GPS coordinates—directly onto the video feed from the drone's camera.
25
+* **Cameras and Camcorders:** OSDs help users review photos, adjust exposure, resolution, and shooting modes while looking through the viewfinder or at the screen.
26
+
27
+
28
+
29
+---
30
+
31
+### How It Works
32
+An OSD works by creating a digital graphical layer that is merged with the video signal. When you trigger the display (usually by pressing a button on the device, a remote, or a specific key on a keyboard), the device’s firmware generates this layer and composites it on top of whatever content you are currently watching.
33
+
34
+### Why It Is Used
35
+* **User-Friendly Interface:** It replaces cumbersome physical dials or switches with an intuitive, visual menu.
36
+* **Real-Time Feedback:** When you change a setting (like brightness), you can often see the visual effect immediately, making it much easier to calibrate the device to your preference.
37
+* **Convenience:** It allows you to manage settings on the fly without interrupting your viewing experience or requiring specialized tools.
38
+
39
+
40
+## ref
... ...
\ No newline at end of file
Tech-dat/interactive-dat/display-dat/OSD-dat/OSD-driver-dat/OSD-driver-dat.md
... ...
@@ -0,0 +1,15 @@
1
+
2
+
3
+
4
+# OSD-driver-dat
5
+
6
+
7
+- [[OSD-dat]] - [[display-driver-dat]] - [[OSD-driver-dat]] - [[zhongkewei-dat]]
8
+
9
+
10
+
11
+## driver diagram
12
+
13
+
14
+## ref
15
+
Tech-dat/interactive-dat/display-driver-dat/display-driver-dat.md
... ...
@@ -13,6 +13,10 @@
13 13
14 14
- [[led-segment-display-dat]] - [[led-segment-display-driver-dat]] - [[display-driver-dat]] - [[display-dat]]
15 15
16
+- [[OSD-dat]] - [[display-driver-dat]] - [[OSD-driver-dat]] - [[zhongkewei-dat]]
17
+
18
+
19
+## build
16 20
17 21
![](2026-06-15-19-19-50.png)
18 22
... ...
@@ -26,6 +30,9 @@
26 30
![](2026-06-15-19-24-55.png)
27 31
28 32
33
+
34
+
35
+
29 36
## ref
30 37
31 38
Tech-dat/media-dat/video-dat/VTX-dat/VTX-dat.md
... ...
@@ -1,7 +1,7 @@
1 1
2 2
# VTX-dat
3 3
4
-
4
+- [[OSD-dat]] - [[VTX-dat]]
5 5
6 6
7 7
- [[ESC-dat]] - [[RX-dat]] - [[VTX-dat]] [[FC-dat]] - [[AIO-dat]] - [[flight-controller-dat]] - [[crazybee-dat]] - [[whoop-dat]]
Tech-dat/media-dat/video-dat/video-analog-dat/video-analog-dat.md
... ...
@@ -0,0 +1,12 @@
1
+
2
+
3
+
4
+# video-analog-dat
5
+
6
+- [[video-digital-dat]] - [[video-dat]] - [[video-analog-dat]]
7
+
8
+
9
+
10
+
11
+## ref
12
+
Tech-dat/media-dat/video-dat/video-digital-dat/video-digital-dat.md
... ...
@@ -0,0 +1,11 @@
1
+
2
+
3
+# video-digital-dat
4
+
5
+- [[video-digital-dat]] - [[video-dat]] - [[video-analog-dat]]
6
+
7
+
8
+
9
+## ref
10
+
11
+
Tech-dat/tech-dat.md
... ...
@@ -166,7 +166,7 @@
166 166
167 167
- [[sensor-dat]] - [[sensor-current-dat]] - [[current-transformer-dat]] - [[sensor-energy-dat]]
168 168
169
-- [[sensor-motion-dat]] - [[sensor-hall-dat]] - [[3-Axis-Magnetic-dat]] - [[sensor-lidar-dat]]
169
+- [[sensor-motion-dat]] - [[sensor-hall-dat]] - [[3-Axis-Magnetic-dat]] - [[sensor-lidar-dat]] - [[3-axis-Accelerometer-dat]]
170 170
171 171
- [[sensor-temperature-dat]] - [[sensor-temperature-non-contact-dat]]
172 172
... ...
@@ -208,11 +208,11 @@
208 208
209 209
- [[PWM-dat]] - [[I2C-dat]] - [[SPI-dat]] - [[UART-dat]] - [[CAN-dat]] - [[RS485-dat]] - [[RS232-dat]] - [[I2S-dat]]
210 210
211
-- [[ADC-dat]] - [[DAC-dat]]
211
+- [[ADC-dat]] - [[DAC-dat]] - [[converter-dat]] - [[LDC-dat]]
212 212
213 213
- [[USB-SDK-dat]] - [[USB-sys-dat]] - [[USB-SDK-type-c-dat]] - [[CONN-USB-type-c-dat]]
214 214
215
-- [[amplifier-dat]] - [[codec-dat]] - [[op-amp-dat]] - [[LNA-dat]] - [[amplifier-audio-dat]]
215
+- [[amplifier-dat]] - [[codec-dat]] - [[amp-op-dat]] - [[LNA-dat]] - [[amplifier-audio-dat]] - [[amplifier-GNSS-dat]]
216 216
217 217
- [[filter-dat]]
218 218