SS4H-SD Smart Doorbell – DIY project based on ESP32

You surely know this feeling when the doorbell rings while you are doing something interesting: watching a movie, playing a video game, or spending a romantic evening with your loved one. And when it turns out that this is an uninvited/unwanted guest, you get even more pissed off.

Of course, you can ignore it and not open the door, but there will always be this hint of uncertainty – “maybe it was important”.

The solution to this problem is the “smart doorbell”. Thanks to it, you’ll know if it is worth getting up from the couch and opening the door or not.

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ESP32-C3 WiFi & BLE RISC-V processor is pin-to-pin compatible with ESP8266

When we reported about ESP32-S2-MINI modules last September, we also noted Espressif teased us with ESP32-S3 and ESP32-C3 with close to no details. ESP32-S3 is expected to be a multi-core WiFI & Bluetooth processor with AI instructions/accelerator, but there were no details about ESP32-C3 at all, and we only found out it would be a RISC-V processor several weeks ago.

But Twitter user Johnny Wu posted a screenshot in Chinese and its translation claiming ESP32-C3 was finally released by Espressif Systems. [Update: The datasheet has been released. See comments.]

ESP32-C3 WiSoC is pin to pin compatible with ESP8266, works with ESP32 development framework (e.g. ESP-IDF), supports Wi-Fi & Bluetooth LE 5.0 connectivity, and integrates 400KB SRAM & 384KB ROM. It features a single32-bit RISC-V (RV32IMC) core @ 160 MHz, and consume as little as 5uA in deep sleep mode. Pricing will also be similar to ESP8266.

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Using ESP8266 WiFi Module with Arduino Micro

Although the ESP8266 01 WiFi Module has a wide support and a good community crowd, the Arduino Uno board takes advantage of it’s ease of use and beginner-friendly layout over Arduino Micro for being one of the most used boards for cheap IoT solutions. As a result, there aren’t many tutorials documenting how to use the module with this board. So here’s a short & simple tutorial for people getting started with IoT and want to use the Micro+ESP01 combination.

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TTGO T Display – Space Shooter game- free code

Hello! Here is my game that I made for TTGO T-Display board. This board is based on ESP32, it have built in TFT display, and battery charger. It is perfect for making games. So here it is, space shooter game. I created custom PCB for this project. I used service, they have best prices and quality.

Here is code of game:…

How to Make a WiFi Repeater using ESP32 NodeMCU | WiFi Router Range Extender ESP8266

In today’s video we look at how to extend the range of an existing WiFi network by repeating the signal. This extension will be done using an ESP32 NodeMCU. This process also works for ESP32 only.

ESP32 as WiFi NAT router. It can be used as — Simple range extender for an existing WiFi network — Setting up an additional WiFi network with different SSID/password for guests or IOT devices.