GSM Remote Control – Gate Control
Part 2 – Schematic
The entire remote control is handled by a PIC that controls the GSM/GPRS module’s activity and gives commands to the…
GSM Remote Control – Temperature Control
Part 2 – Schematic
The full GSM thermostat is managed by a Microchip PIC18F46K20-I/PT microcontroller, programmed with a firmware that controls the temperature and…
GSM Remote Control – 2 IN and 2 OUT DTMF
Part 1 – Introduction
Excellent to remotely control via GSM the activation of engines, lightening or watering systems and alarm systems. It sends commands…
GSM Remote Control – Temperature Control
Part 3 – Assembly
For the GSM temperature controller we have provided a double-sided PCB with plated holes, made by photoengraving; once you have…
GSM Remote Control – 2 IN and 2 OUT
Part 1 – Introduction
It allows you to remotely control up to two different electrically controlled units and to remotely read the condition of…
GSM Remote Control – 2 IN and 2 OUT DTMF
Part 2 – Schematic
Let’s now look into the schematic diagram; in it you can note the usual Microchip microcontroller governing the GSM/GPRS module…
GSM Remote Control – 2 IN and 2 OUT
Part 2 – Schematic
In order to understand the different functions, let’s now take a look at the schematic diagram of the unit. 2…
GSM Remote Control – 2 IN and 2 OUT DTMF
Part 3 – Assembly
On the construction perspective, the remote control does not present many difficulties, just the obvious ones that appear when working…
GSM Remote Control – 2 IN and 2 OUT
Part 3 – Assembly
Now that we have seen the electric scheme, we can work on the practical aspect of the project; let us…
GSM Remote Control – 2 IN and 2 OUT DTMF
Part 4 – SMS Command
The set of commands of this remote is divided into two categories: the SMS ones and the DTMF tones. The…