Radiocomando LoRa modulo radio SX1278 e microcontrollore Arduino ATmega32u4
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Trasmettitore palmare basato sul modulo radio LoRa SX1278 e gestito dal microcotrollore ATmega32u4. Adatto per essere utilizzato in abbinamento allo shield LoRa (vedere prodotti correlati), permette di realizzare comandi via radio long-range. Per la programmazione, tramite l’IDE Arduino, è disponibile una presa micro USB.
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Trasmettitore palmare basato sul modulo radio LoRa SX1278 e gestito dal microcotrollore ATmega32u4. Adatto per essere utilizzato in abbinamento allo shield LoRa (vedere prodotti correlati), permette di realizzare comandi via radio long-range. Per la programmazione, tramite l’IDE Arduino, è disponibile una presa micro USB. Il trasmettitore viene alimentato tramite una batteria a 12V tipo A23 con un consumo medio di circa 20 mA durante l’attività. Il radiocomando viene fornito montato, collaudato e completo di contenitore. |
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Uso Alternativo dell’Hardware del Telecomando |
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Se in parallelo al pulsante colleghiamo un contatto pulito, come ad esempio un contatto reed di quelli per porte e finestre (quello degli antifurto, ndr), realizzeremo un efficiente sensore wireless di allarme anti-intrusione. Questi utilizzi alternativi del telecomando sono utilizzi che contano sull’attivazione momentanea del circuito che ha una alimentazione fornita da una piccola batteria non ricaricabile. Ma è già allo studio una ulteriore elaborazione del circuito del telecomando. In questa nuova schedina, di dimensioni non troppo distanti da quella del telecomando, sarà aggiunto un carica batteria per batterie LiPo da 3,7 V. Il risultato sarà quello di avere una scheda completa di processore e modulo radio con la possibilità di essere auto-alimentata e di restare sempre accesa. |
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Caratteristiche tecniche |
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Documentazione e link utili |
Handheld transmitter based on the LoRa SX1278 radio module and managed by the ATmega32u4 microcontroller. Suitable for use in conjunction with the LoRa shield (see related products), it allows the implementation of long-range radio commands. For programming, a micro USB socket is available via the Arduino IDE. The transmitter is powered by a 12V type A23 battery with an average consumption of about 20 mA during the activity. The radio control is supplied assembled, tested and complete with a container.
Alternative use of the Remote Control Hardware
If in parallel to the button we connect a clean contact, such as a reed contact of those for doors and windows (that of the burglar alarm, ed), we will create an efficient wireless anti-intrusion alarm sensor.
For example by connecting it to a door we can receive on the server, even very far away, the signal of the opening that can be used as an alarm or as an event recording. In fact, remember that the shield LoRa can be mounted on RandA (our shield for Raspberry Pi that complements the core
of Arduino UNO) where the Raspberry Pi processor can act as a sophisticated server, possibly connected to the Internet.
The miniaturization of the remote control and its self-supply predispose it to be placed wherever a mechanically activated sensor is required. If we then add a small circuit that makes a very low-consumption timer (of a few nanoampere), we could operate electronically
the button, for example, via a MOS transistor that acts as a switch. In this case we could periodically send to the server an analog value read on pin A2 or a digital value on pin D8. For this alternative use you could use a container of a size comparable to that for the remote control like the G1013 (with some adaptation), in case you do not want the window of the button.
These alternative uses of the remote control are uses that rely on the momentary activation of the circuit that has a power supplied by a small non-rechargeable battery. But further processing of the remote control circuit is already being studied. In this new card, not too far from the remote control, a battery charger for 3.7 V LiPo batteries will be added. The result will be to have a complete processor and radio module card with the possibility of being self-contained. powered and remain always on.
In this way the system will be able to listen to incoming messages or to originate their messages based on alarms of various kinds. In fact, the analog and digital pins available on the micro-card will be increased.
Basically there is a set of three types of equipment:
• shield for Arduino (and therefore also for RandA) intended for more elaborate server or station activities;
• micro-card with the possibility of self-powering through a rechargeable battery, including an Arduino processor (of the LilyPad type) and radio module; destined to peripheral stations also to solar panels.
• remote control / mechanical alarm, presented in this article.
Technical features
Supply voltage: 12 Vdc
Current consumption: 20 mA
Maximum detection distance: 500 m
Dimensions (mm): 61x37x15
Documentation and useful links
library
Alternative use of the Remote Control Hardware
If in parallel to the button we connect a clean contact, such as a reed contact of those for doors and windows (that of the burglar alarm, ed), we will create an efficient wireless anti-intrusion alarm sensor.
For example by connecting it to a door we can receive on the server, even very far away, the signal of the opening that can be used as an alarm or as an event recording. In fact, remember that the shield LoRa can be mounted on RandA (our shield for Raspberry Pi that complements the core
of Arduino UNO) where the Raspberry Pi processor can act as a sophisticated server, possibly connected to the Internet.
The miniaturization of the remote control and its self-supply predispose it to be placed wherever a mechanically activated sensor is required. If we then add a small circuit that makes a very low-consumption timer (of a few nanoampere), we could operate electronically
the button, for example, via a MOS transistor that acts as a switch. In this case we could periodically send to the server an analog value read on pin A2 or a digital value on pin D8. For this alternative use you could use a container of a size comparable to that for the remote control like the G1013 (with some adaptation), in case you do not want the window of the button.
These alternative uses of the remote control are uses that rely on the momentary activation of the circuit that has a power supplied by a small non-rechargeable battery. But further processing of the remote control circuit is already being studied. In this new card, not too far from the remote control, a battery charger for 3.7 V LiPo batteries will be added. The result will be to have a complete processor and radio module card with the possibility of being self-contained. powered and remain always on.
In this way the system will be able to listen to incoming messages or to originate their messages based on alarms of various kinds. In fact, the analog and digital pins available on the micro-card will be increased.
Basically there is a set of three types of equipment:
• shield for Arduino (and therefore also for RandA) intended for more elaborate server or station activities;
• micro-card with the possibility of self-powering through a rechargeable battery, including an Arduino processor (of the LilyPad type) and radio module; destined to peripheral stations also to solar panels.
• remote control / mechanical alarm, presented in this article.
Technical features
Supply voltage: 12 Vdc
Current consumption: 20 mA
Maximum detection distance: 500 m
Dimensions (mm): 61x37x15
Documentation and useful links
library
FT1250M
2 Items
Datasheet
- Height
- 61 mm
- Width
- 37 mm
- Depth
- 15 mm
Je bent misschien ook geïnteresseerd in
Trasmettitore palmare basato sul modulo radio LoRa SX1278 e gestito dal microcotrollore ATmega32u4. Adatto per essere utilizzato in abbinamento allo shield LoRa (vedere prodotti correlati), permette di realizzare comandi via radio long-range. Per la programmazione, tramite l’IDE Arduino, è disponibile una presa micro USB.