An IoT board around ESP-12S module (with ESP8266) powered by a 9V-28V DC jack, with 3 signalling WS2812 LEDs, 2 buttons, an OLED display, a beeper and a temperature & humidity senzor. The board is meant to act as a hub and connect to other devices with more sensors, or as a driver for an external device.
Schema & board designer: Ivan Voras
This is the schematic for a project I've did on my YouTube Channel. Click the image below to check out the video.
[![Arduino Heart Rate Monitor](https://img.youtube.com/vi/iVN3gXZ72P8/0.jpg)](https://www.youtube.com/watch?v=iVN3gXZ72P8)
If you have a Wemos D1 mini card and you want to test the series of sensors contained in the package "37 in 1 Sensor Module Board Set" which is sold by many sites you can use this shield.
On the shield are available many connectors that are already properly connected with the digital or analog ports of the Wemos D1 mini card. On the board there is also already a power supply stage that allows powe...
An Arduino development board with a small OLED screen, a joystick, buttons, buzzer, and alligator clip connectors for other devices. This was inspired by the Adafruit circuit playground: https://www.adafruit.com/product/3000
Visit http://johan.vandegriff.net/ArduinOLED/ for more info.