esp

I’m trying to interface a 3.3v ESP32 to an SDI-12 12V sensor, I’m finding a lot of conflicting information online chat gpt says the following will work however I’m not convinced. draw a voltage-vs-time diagram for one SDI-12 bit, explain why a comparator isn’t normally used, or help you...

Hello everyone, I’m currently working on a project that involves using an NPK sensor that operates at 5V, along with an ESP module. For power, I’m planning to use an 18650 battery rated at 3.7V. I’m wondering about the best way to design the circuit to power for both the NPK sensor and the...

Hi everyone, I designed a PCB based on the ESP8266EX dotn here is the schematic: To flash the board I use the module: https://joy-it.net/de/products/SBC-ESP8266-PROG I am able to flash the board with Arduino IDE with a simple code: void setup() { // put your setup code here, to run once...