Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer code: Arduino shield rc car: Arduino nano module L298P code: Board project: ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

With the powerful off-the-shelf hardware available to us common hardware hobbyist folk, how hard can it be to make a ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

Presented here is an Arduino-based "Blue Box". It produces the "traditional" Blue Box 2600Hz tone and MF (multi-frequency) tones, but does much more! It also produces 12 tone signalling systems used ...

Library is based on M2M_Quectel libary from M2M solutions AB and partialy on AT-command-library from Timothy Woo. Library is using UART line to send AT commands to the Quectel module. Some basic logic ...