
ใArduinoIDE็ฐๅขใงๆจๆฅใพใงๆฎ้ใซไฝฟใใฆใใใฎESP32ใฎLEDC้ขๆฐ๏ผPWM๏ผใๆฅใซใณใณใใคใซใจใฉใผใ็บ็ใใฆไฝฟใใชใใชใใพใใใใใฎๅๅ ใจๅฏพ็ญๆนๆณใงใใ
ๆฆ่ฆ
Compilation error: 'ledcSetup' was not declared in this scope
ใๆจๆฅใพใงๆฎ้ใซๆค่จใใฆใใใฝใผในใง็ช็ถใใใใฃใใจใฉใผใ็บ็ใใฆใณใณใใคใซใใงใใชใใชใฃใฆใใพใใพใใใ็ต่ซใใ่จใใจใใผใใฎใใผใธใงใณใขใใ๏ผ3.0.0ไปฅ้๏ผใๅๅ ใงใไธ้จใฎLEDC้ขๆฐใซๅ้ค/ๅคๆดใๅ
ฅใฃใฆใพใใ
ใใไฝฟใใใใช้ขๆฐใๆ็ฒใใฆ่งฃ่ชฌ
ใ่จญๅฎ้ขไฟใฎ้ขๆฐใซๅคๆดใๅ ฅใฃใฆใใใใงใใ
ledcSetup()
ledcAttachPin()
ใไธ่จ2ใคใฎ้ขๆฐใๅ้คใใใพใใใใจใใใไปฅไธใฎ้ขๆฐใซไฝฟใๆนใ็ตฑๅใใใๆใใงใใ
bool ledcAttach(uint8_t pin, uint32_t freq, uint8_t resolution);
ใใใฃใณใใซใฏ่ชๅใง่จญๅฎใใใใใใซๅคๆดใๅ ฅใฃใใใใงใใๅผๆฐใฏใปใผไปฅๅใฎใใฎใจๅๆงใๅบๅใใณ/ๅจๆณขๆฐ/่งฃๅๅบฆใ
bool ledcAttachChannel(uint8_t pin, uint32_t freq, uint8_t resolution, int8_t channel);
ใใใฃใณใใซใๆๅฎใใๅ ดๅใฏใใฎ้ขๆฐใไฝฟ็จใ
bool ledcWrite(uint8_t pin, uint32_t duty);
ใPWMๅบๅใใ้ขๆฐใ่ฅๅนฒๅคๆดใๅ ฅใใพใใใไปใพใงใฏใใฃใณใใซๆๅฎใงใใใใๅบๅใใใใณ็ชๅทใซๅคๆดใใใฆใพใใ
ไฝฟ็จไพ
ใ็ฐกๅใชไฝฟ็จไพใงใใ
ledcAttach(25, 20000, 8); ledcWrite(25, 127);
ใ๏ผ่ก็ฎใง่จญๅฎใ25ใใณใซๅจๆณขๆฐ20kHzใ่งฃๅๅบฆ8bit๏ผ256๏ผใ2่ก็ฎใงPWMๅบๅใ25ใใณใซใใฅใผใใฃๆฏ50%ใงๅบๅใ
ใใจใใใใไปๅใฎใจใฉใผใซๅฝฑ้ฟใใฆใใ้ขๆฐใ ใๆ็ฒใใฆใพใจใใฆใใใพใใใๅพๆฅใฎใฝใผในใๆต็จใใฆใใๅ ดๅใพใ้้ใใชใใณใณใใคใซใจใฉใผใ็บ็ใใพใใใพใใใใผใๆดๆฐใงใใใใฃใๅคๅ็นใๅ ฅใใจใฏๆใฃใฆใใชใใฃใใฎใงๅๅ ใใใใใพใง็ตๆงๆฉใฟใพใใใไปใซใใกใใใกใใๅคๆดใๅ ฅใฃใฆใใใใใงใใฎใง่ฉณ็ดฐ็ขบ่ชใใใๅ ดๅใฏใใกใใใ๏ผ2024/6็พๅจ๏ผใ
ใณใกใณใ
ledc๏ผ้ขๆฐใฎๅคๆดๆ ๅ ฑใใใใจใใใใใพใใใณใณใใคใซใงใใใใใซใชใใพใใใ