Cosmarino- A DIY kit for Android-Arduino communication

“Cosmarino is a kit for experimenting Android-Arduino communication via Bluetooth.” Features:  Control RGB LED with Android phone Display photoresistor sensor data on a graph on Android phone Transmit LM35DZ temperature sensor data on Android phone Control 5V relay with Android phone Control 5V relay and LED with any infrared remote control This is Cosmarino- A…

Read More

TINY PROFESSIONAL MICROPHONE PREAMPLIFIER

The board has been design around INA217 low distortion, low noise instrumentation amplifier. The INA217 is ideal for low-level audio signals such as balanced low-impedance microphones. Many industrial, instrumentation, and medical applications also benefit from its low noise and wide bandwidth. Unique distortion cancellation circuitry reduces distortion to extremely low levels, even in high gain….

Read More

How to use 315Mhz RF transmitter and receiver modules with arduino

Description: This wireless transmitter and receiver pair operate at 315Mhz. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of different frequencies) to act as a transmitter/receiver pair….

Read More