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XDA Developers on MSN4d

Want to build your own cheap smart home sensors? Here's how I got started with the ESP32

The ESP32 that I went for is specifically the ESP32-DevKitC, which is easy to find, cheap, and compatible with most things ...
Circuit Digest7d

How to build a Wearable Air Quality Monitor Pendant using STM32 & SGP40 Sensor

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...
CNX Software11d

Arduino Nano R4 board launched for $12.10 with Renesas RA4M1 microcontroller

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...