Omnetics Mainheader April 2025

Arduino47 (61)

| Prevent runaway RC vehicles with this failsafe system! Using an ATtiny85 microcontroller and an optocoupler, this project monitors the radio...

| Conventional radio control systems for RC models (cars, robots, lawnmowers, etc.) do not always provide a failsafe in case of signal loss. T...

| Do you like vintage objects, but you don't want to give up modernity? This project transforms an old rotary dial phone into a real 4G mobile...

| Ensure uninterrupted power for your 4G GPS SMS Alarm Tracker with this custom backup power supply. Features dual 18650 batteries, charge man...

| Backup power supply project for SMS Alarm 4G GPS Trackers module or other applications.... The system uses two 18650 batteries, installed on...

| The master number is recorded in EEPROM as well as the status of the tracker. Active tracker, validates the sending of a GPS position at eac...

| Control devices remotely with this SMS-based 4G project! It features four relays, RSSI monitoring, and a DS18B20 temperature sensor for adde...

| Remote control by SMS 4G This project uses a BK-A7670E. It is not intended to compete with commercially available models. No guarantee of pr...

| This project aims to replace a SIM800 module with a BK A7670E (4G) module without modifying the original hardware configuration, if the size...

| Add a melodic bell sound to your microcontroller clock with the ATtiny85. This project enhances your clock's functionality and charm with a...