Make 0 to 12 volt adjustable variable dc power supply
by ninja_tek
2025-06-25
Adjustable voltage regulations circuit. In this circuit 12v-0-12v step down transformer i have used. And for full wave rectification 4 diodes 1N4007 has been used and also for filtering 100...
Adjustable voltage regulations circuit. In this circuit 12v-0-12v step down transformer i have used. And for full wave rectification 4 diodes 1N4007 has been used and also for filtering 100...
Linear DC regulated 0 to 18 volt, 3 Ampere power supply
by ninja_tek
2025-07-27
I have made 0 to 18 volt linear power supply Using 12-0-12 power step down transformer
I have made 0 to 18 volt linear power supply Using 12-0-12 power step down transformer
Light Dimming and ON/OFF using ESP32
by ninja_tek
2025-09-01
below is a complete, step-by-step circuit connection guide you can follow to wire your ESP32 8-channel AC dimmer + relays + RS-485 + zero-cross. I cover every connection (mains, protection, optos, TRI...
below is a complete, step-by-step circuit connection guide you can follow to wire your ESP32 8-channel AC dimmer + relays + RS-485 + zero-cross. I cover every connection (mains, protection, optos, TRI...
ESP32 C code to dimming and relay on/off code
by ninja_tek
2025-09-25
#include #include "freertos/FreeRTOS.h"#include "freertos/task.h"#include "driver/gpio.h"#include "driver/uart.h"#include "esp_intr_alloc.h"#include "esp_rom_sys.h" #define RELAY_GPIO &nbs...
#include #include "freertos/FreeRTOS.h"#include "freertos/task.h"#include "driver/gpio.h"#include "driver/uart.h"#include "esp_intr_alloc.h"#include "esp_rom_sys.h" #define RELAY_GPIO &nbs...
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