Recent content by kerth

ESP, it's connected to 5V, and 4.7k pull-up is also connected to 5V - as it is on each schematics i was able to find.

Soldered on board. I have checked with multimeter, and all seems okay. I am going to check with oscilloscope at the weekend, if there will not be other idea :)

I have 4.7k resistor. I will try with 10k and 1k - if that might help.

Longest cable has around two meters. Shortest ca 50cm. All is connected to 5V, and single read is working, when all are powered (just to avoid some power/voltage issues) - i am playing only with data cables.

Unfortunatelly i have to ask additional question. I have everything soldered, connected, BUT... when I do have only one temp sensor (DS18B20) - it is working (checked all one by one), but when i have two or more connected parallelly, none is visible. I have checked all connections, I have...

Okay, clear. Thank You :) I will get one.

If that helps to solve the situation, it's these one :) https://allegro.pl/oferta/wyswietlacz-oled-0-96-i2c-niebieski-7842776680 I am not using pcb, it's short connected and soldered via short cables (ca 5cm) VDD connected to 3.3v (but also checked on 5v as panel can have 3-5v) gnd to gnd, D1 -...

Hey, I just did everything as needed (I hope), but I have a huge problem with oled display - I am able to use addresses 0x78 and 0x7a. Now my oled is blank. I have no idea how to recompile and reinstall firmware for ESP8266. Can I ask You please to help me with that situation?