Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

Posted in Arduino Hacks, digital cameras hacks Tagged digital photo frame, ESP8266, photo frame, PROGMEM, SPIFFS, ST7735, tft ← Never Miss A Doorbell With This Notifier ...

In sum, an ESP8266 chip, a cheap I2S DAC, and some external RAM and you’ve got a webradio player. OK, maybe we’d also add an amplifier chip, power supply, and a speaker. Hmmm…. and a display?

While this is no Monsieur, this DIY Arduino project may be the next best thing. The system uses a kitchen scale, a little amplifier, and an Arduino Uno (you can add in a Bluetooth chip if you want ...