Many readers will be familiar with Microchip’s ATtiny85, which has been a popular choice for DIY projects in the past for its low price and (for the time) small size. But those looking for a more ...

Back in the 80s, buying a home computer could easily mean an inflation-adjusted cost of thousands of dollars (or your equivalent currency unit of choice), and all for an 8-bit machine that might ...

M5Stack Core StopWatch is an ESP32-S3-powered WiFi and Bluetooth development board with a 1.75-inch round AMOLED touch display, 16MB flash, and 8MB PSRAM designed for portable IoT devices, electronic ...

Using Sparkfun MAX3010X library https://github.com/sparkfun/SparkFun_MAX3010x_Sensor_Library SpO2 is calulated from square root means of all raw data at 50Hz sampling ...

// for reading from the slave was omitted because it is not necessary here. // Overall, the I2C implementation only takes up 60 bytes of flash.