Arduino
来自Jack's Lab
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== 扩展 == | == 扩展 == | ||
+ | |||
+ | TP: Touch Pad,触摸传感器,电容式:[https://item.szlcsc.com/2874932.html TTP223-BA6], [https://item.szlcsc.com/3007808.html JSM8223], [https://item.szlcsc.com/1784421.html 223] | ||
[[DHT21/AM2301 数字温湿度传感器]] | [[DHT21/AM2301 数字温湿度传感器]] | ||
第96行: | 第98行: | ||
[[ADC]] | [[ADC]] | ||
+ | |||
+ | [[AMP]] 运放 | ||
第116行: | 第120行: | ||
== 精华 == | == 精华 == | ||
− | [[Arduino bootloader 的烧写]] | + | * [[Arduino bootloader 的烧写]] |
+ | * [[面包板上的至简 Arduino]] | ||
+ | * [[动手焊一个自己的 Arduino]] | ||
− | |||
− | [[ | + | * [[Arduino 低功耗优化]] |
+ | |||
+ | |||
+ | * [[Modbus]] | ||
+ | * [[DLT645]] | ||
+ | * [[CJT188]] | ||
+ | |||
+ | |||
+ | * [[ATtiny13]] | ||
+ | * [[Raspberry]] | ||
+ | |||
+ | |||
+ | * [[Tesla]] | ||
+ | * [[Power]] | ||
+ | * [[Eagle Tips]] | ||
+ | |||
+ | <br><br> | ||
− | + | == Notes == | |
− | [[ | + | * [[0欧电阻和磁珠]] |
− | [[ | + | * [[谐振频率和抑制噪声]] |
− | [[ | + | * [[高频下过孔大小和走线长度对信号的影响]] |
− | [[ | + | * [[过孔和线宽与电流关系 ]] |
− | [[ | + | * [[阻抗和阻抗匹配]] |
− | |||
− | [ | + | [http://www.kblaminates.com/chs/upfile/2010123017220691104.pdf PCB 板材参数] |
− | [[ | + | * [[Altium Designer PCB 设计规则中英对照]] |
+ | * [[RT5350F]] | ||
+ | |||
<br><br> | <br><br> | ||
2021年12月10日 (五) 15:31的最后版本
目录 |
[编辑] 1 总览
I2S 总线精要
[编辑] 2 扩展
TP: Touch Pad,触摸传感器,电容式:TTP223-BA6, JSM8223, 223
SHT2x 数字温湿度传感器
MC105 可燃气体传感器
PIR 热释红外传感器,人体感应
Geiger 盖格计数器
PPD42NS Dust Sensor
BH1750 光线传感器
热感相机:Adafruit AMG8833 IR Thermal Camera https://www.adafruit.com/product/3622
Arduino Ethernet 的另一性价比选择 W5500 Ethernet Shield v1.0
Encoder 旋转编码器
Digipot 数字电位器
Relay 继电器
Optocoupler 光耦
AMP 运放
[编辑] 3 应用
[编辑] 4 精华
[编辑] 5 Notes
[编辑] 6 MCU
[编辑] 6.1 LGT8F08/88/328 (AVR Compatible)
[编辑] 6.2 LGT8F684/690, LGT8P653/663 (PIC Compatible)
[编辑] 6.3 STM32
[编辑] 6.4 STM8
[编辑] 6.5 ATmega328
[编辑] 7 I2C pin
Board I2C / TWI pins ---------------------------------- Uno, Ethernet A4 (SDA), A5 (SCL) Mega2560 20 (SDA), 21 (SCL) Leonardo 2 (SDA), 3 (SCL) Due 20 (SDA), 21 (SCL), SDA1, SCL1
[编辑] 7.1 ATtiny13
[编辑] 8 糖豆
[编辑] 8.1 float2str
String(NUMBER, SCALE); String(3.141592,5); # "3.14159"
[编辑] 8.2 Software Serial
#include <SoftwareSerial.h> SoftwareSerial mySerial(10, 11); // RX, TX void setup() { // set the data rate for the SoftwareSerial port mySerial.begin(4800); mySerial.println("Hello, world?"); } void loop() { if (mySerial.available()) mySerial.write(Serial.read()); }
[编辑] 8.3 AT CMD
SerialEvent() is called after a loop(), if there is serial data in the buffer.
String input_str = ""; // a string to hold incoming data boolean str_over = false; // whether the string is complete void setup() { Serial.begin(9600); input_str.reserve(200); // reserve 200 bytes for the inputString: } void loop() { if (str_over) { // Identify the CMD and processing input_str = ""; // clear the string buffer str_over = false; } } /* * SerialEvent occurs whenever a new data comes in the hardware serial RX. * This routine is run between each time loop() runs, so using delay inside * loop can delay response. Multiple bytes of data may be available. */ void serialEvent() { while (Serial.available()) { char in = (char)Serial.read(); input_str += in; if (in == '\n') { // read a line into string buffer str_over = true; } } }
[编辑] 8.4 Hex str to ull
char hexstr2bin(char c) { if (isdigit(c)) { // 0 - 9 return c - '0'; } else if (isxdigit(c)) { // A-F, a-f return (c & 0xF) + 9; } return -1; } unsigned long long hexstr2ull(char * string) { unsigned long long x =0; char c; do { c = hexstr2bin(*string++); if (c < 0) break; x = (x << 4) | c; } while (1); return x; }
[编辑] 9 资源
- 二极管选型指南:http://www.vishay.com/docs/49627/49627.pdf
- 将电解电容器更换为MLCC的指南
- MCU 3V Tips
- 電容器阻抗/ESR頻率特性
- 低压差调节器—为什么选择旁路电容很重要
- 精算陶瓷電容性能表現
- http://www.robopeak.com/blog/?p=107
- spi flash: http://forum.arduino.cc/index.php?topic=178462.0
- http://www.avrfreaks.net/forum/winbond-spi-flash-library-avr-arduino-written-c
- avr-libc user manual: http://www.nongnu.org/avr-libc/user-manual/modules.html
[编辑] 10 Reference
- HTTP Spec: https://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html
- https://zh.wikipedia.org/wiki/ASCII