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…
GSM Remote Control – Temperature Control
Part 4 – SMS Command
Commands can be given in two different ways: the first one is to send the SMS according to required syntax…
GSM Remote Control – 2 IN and 2 OUT
Part 4 – SMS Command
Now you have to get to know the commands needed to manage it and use them at their best. Relevant…
GSM Remote Control – Gate Control
Part 3 – Assembly
Up to 200 numbers can be stored and enabled to control the relay, which allows people to use the gate…