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- arick commented on johnnyfrx's instructable ESP32 With Integrated OLED (WEMOS/Lolin) - Getting Started Arduino Style5 months ago
- arick commented on Nevwe's instructable Wireless Power Transmitter and Receiver1 year ago
View Instructable »how much power can it generate ?
- arick commented on frapedia's instructable Step-up Booster1 year agoView Instructable »
How can I get 220V 0.2A on the output ?
- arick commented on frapedia's instructable Step-up Booster1 year agoView Instructable »
how can I get 0.1A with 220V ?
- arick commented on kalpeshswani's instructable Small Transformer Making Procedure - For low power PCBs1 year agoView Instructable »
How to calculate winding with the ratio between the bobbin diameter,number of turn and voltage ?For example 220V primary and I have a small bobbin with 3cm diameter and Np = 45T....how many winding do I need for it ?
I can upload the code to the board,but only got this on my serial :ets Jun 8 2016 00:22:57rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)configsip: 0, SPIWP:0xeeclk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00mode:DIO, clock div:2load:0x3fff0018,len:4load:0x3fff001c,len:812load:0x40078000,len:0load:0x40078000,len:11404entry 0x40078a28nothing on my OLED displayHere's the init code :// Initialize the OLED display using Wire librarySSD1306 display(0x3c, D3, D5);// SH1106 display(0x3c, D3, D5);#define DEMO_DURATION 3000typedef void (*Demo)(void);int demoMode = 0;int counter = 1;void setup() { Serial.begin(115200); Serial.println(); Serial.println(); // Initialising the UI will init the display too. display.init(); display.flipScreenVertically(); displ...
see more »I can upload the code to the board,but only got this on my serial :ets Jun 8 2016 00:22:57rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT)configsip: 0, SPIWP:0xeeclk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00mode:DIO, clock div:2load:0x3fff0018,len:4load:0x3fff001c,len:812load:0x40078000,len:0load:0x40078000,len:11404entry 0x40078a28nothing on my OLED displayHere's the init code :// Initialize the OLED display using Wire librarySSD1306 display(0x3c, D3, D5);// SH1106 display(0x3c, D3, D5);#define DEMO_DURATION 3000typedef void (*Demo)(void);int demoMode = 0;int counter = 1;void setup() { Serial.begin(115200); Serial.println(); Serial.println(); // Initialising the UI will init the display too. display.init(); display.flipScreenVertically(); display.setFont(ArialMT_Plain_10);