Grzegorzbecker at 06:43, 24 October 2023

2023-10-24T06:43:36Z

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	===== Introduction =====		===== Introduction =====
	[https://kamami.pl/moduly-z-przekaznikami/583785-modul-4-przekaznikow-dla-raspberry-pi.html KAmodRPiRELAY4] is a universal functional expander for Raspberry Pi and Raspberry Pi+ computers, equipped with four electromechanical relays that are switched on by optoisolators with GPIO outputs and allow, for example, remote lighting control, heating switching and other tasks requiring remote access.		[https://kamami.pl/moduly-z-przekaznikami/583785-modul-4-przekaznikow-dla-raspberry-pi.html KAmodRPiRELAY4] is a universal functional expander for Raspberry Pi and Raspberry Pi+ computers, equipped with four electromechanical relays that are switched on by optoisolators with GPIO outputs and allow, for example, remote lighting control, heating switching and other tasks requiring remote access.

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===== Introduction =====
[https://kamami.pl/moduly-z-przekaznikami/583785-modul-4-przekaznikow-dla-raspberry-pi.html KAmodRPiRELAY4] is a universal functional expander for Raspberry Pi and Raspberry Pi+ computers, equipped with four electromechanical relays that are switched on by optoisolators with GPIO outputs and allow, for example, remote lighting control, heating switching and other tasks requiring remote access.
<center>
[[File:modul-4-przekaznikow-dla-raspberry-pi.png|none|500px|thumb|center]]
</center>

===== Basic features and parameters =====
* Compatibility with minicomputers Raspberry Pi 1 B+, Raspberry Pi 2 and Raspberry Pi 3, Raspberry Pi 3 model B+ and Raspberry Pi 4 model B.
* Four relay outputs
* Output states monitored by LED
* ARK screw terminals
* Jumpers enabling disconnection of the relay from the GPIO port

===== Relay outputs =====
* Four SPDT outputs
* Relays switched with optocouplers
* Maximum switchable voltage: 250 VAC/30 VDC
* Maximum switching current (resistive load): 10 A
* Recommended maximum load currents: 3 A

===== Standard equipment =====

<center>
{| class="wikitable" style="width: 1000px;"
|-
! style="text-align: center;"|Code
! style="text-align: center;"|Opis
|-
| style="text-align: center;”|KAmodRPi PwrRELAY4
| style="text-align: center;”|KAmodRPi PwrRELAY4 module
|-
| style="text-align: center;"|Mounting kit
| style="text-align: center;”|A set of screws and spacers enabling the attachment of the shield to the Raspberry board
|-
|}
</center>
<center>
[[File:Modul-4-przekaznikow-dla-raspberry-pi-rys1.png|none|600px|thumb|center]]
</center>

KAmodRPi PwrRELAY4 overlay placed on the Raspberry Pi and attached with spacers and screws

===== Schematic =====

<center>
[[File:KAmodRPi_PwrRELAY4_sch.png|none|600px|thumb|center]]
</center>

===== View of board =====

<center>
[[File:KAmodRPi PwrRELAY4_pcb.png|none|500px|thumb|center]]
</center>

===== Assignment of outputs to the GPIO lines of the RaspberryPi computer =====

<center>
{| class="wikitable" style="width: 1000px;"
|-
! style="text-align: center;"|Raspberry Pi pinout
! style="text-align: center;"|KAmodRPi PwrRELAY4 relay
|-
| style="text-align: center;"|GPIO23
| style="text-align: center;”|OUT1
|-
| style="text-align: center;"|GPIO22
| style="text-align: center;”|OUT2
|-
| style="text-align: center;"|GPIO27
| style="text-align: center;”|OUT3
|-
| style="text-align: center;"|GPIO17
| style="text-align: center;”|OUT4
|}
</center>

The GPIO line outputs are connected to the control circuit via a jumper, which allows you to disconnect the appropriate pins if necessary. Additionally, switching on the relay is signaled by the lighting of the LED on the appropriate channel.

<center>
[[File:Modul-4-przekaznikow-dla-raspberry-pi-rys2.png|none|600px|thumb|center]]
</center>
Jumpers connecting the Raspberry Pi pins with the circuits that turn on the relay.

KAmodRPi PwrRELAY4 - Revision history

Grzegorzbecker at 06:43, 24 October 2023

Grzegorzbecker: Created page with "__jzpdf__ ===== Introduction ===== [https://kamami.pl/moduly-z-przekaznikami/583785-modul-4-przekaznikow-dla-raspberry-pi.html KAmodRPiRELAY4] is a universal functional expand..."

Grzegorzbecker: Created page with "jzpdf ===== Introduction ===== [https://kamami.pl/moduly-z-przekaznikami/583785-modul-4-przekaznikow-dla-raspberry-pi.html KAmodRPiRELAY4] is a universal functional expand..."