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machine/esp32: add PWM support using LEDC peripheral #5186

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ee33b25
machine/esp32: add PWM support using LEDC peripheral
jespino Jan 19, 2026
a58f555
machine/esp32: fix PWM duty cycle not working
jespino Jan 20, 2026
0cb1af7
machine/esp32: fix PWM clock divider calculation
jespino Jan 20, 2026
69fba70
machine/esp32: improve PWM duty update reliability
jespino Jan 20, 2026
4f31a6a
machine/esp32: fix PWM resolution register value
jespino Jan 20, 2026
952dc77
machine/esp32: improve PWM implementation
jespino Jan 20, 2026
971ef70
machine/esp32: second pass improvements for PWM
jespino Jan 20, 2026
2d3b1b2
machine/esp32: third pass improvements for PWM
jespino Jan 20, 2026
39b6261
machine/esp32: fourth pass improvements for PWM
jespino Jan 20, 2026
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12 changes: 12 additions & 0 deletions src/examples/pwm/esp32.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
//go:build esp32
// +build esp32

package main

import "machine"

var (
pwm = machine.PWM0 // Use high-speed timer 0
pinA = machine.GPIO2 // Built-in LED on many ESP32 boards
pinB = machine.GPIO4 // Another GPIO for testing
)
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