8-Channel SBC Binary Logic Relay Board (8 Relays) 8-Channel SBC Binary Logic Relay Board (8 Relays) Quasar Electronics Can be used with either SX-I or SX-II SBCs. It allows them to communicate with the real world. The 8 relays can be used turn on lights, switches and solenoids from your program... Electronics > Circuit Components > Printed Circuit Boards > Development Boards quasar_diy_sc21 SC21KT 17.95 Quasar Electronics Limited https://www.quasarelectronics.co.uk/Item/sc21-relay-board-8-relays
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8-Channel SBC Binary Logic Relay Board (8 Relays)

8-Channel SBC Binary Logic Relay Board (8 Relays)
8-Channel SBC Binary Logic Relay Board (8 Relays)
8-Channel SBC Binary Logic Relay Board (8 Relays)
8-Channel SBC Binary Logic Relay Board (8 Relays)
ASSC21KT - 8-Channel SBC Binary Logic Relay Board (8 Relays)
Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

The SC21 is supplied with all 8 relay positions populated. It can be used with either SX-I or SX-II single board computers or other hardware of your choice. It allows you to control external devices such as lights, motors and solenoids from your program. If you use the optional DS1216B Smart Watch on the motherboard, then programs in real time can be written.

The latch IC (74HC273) can be addressed by any one of four I/O ports (80h,81h,82h,83h) that are available at the I/O expansion connector CN1. The jumper on LK1 or LK2 selects the port to use. Each port is connected to the Data Bus and consists of eight bits. When a particular bit output goes high the transistor it is connected to is turned fully on which in turn switches the relay on. A total of 4 Relay Driver boards (or 32 individual relays) can be connected to CN1 simultaneously (one board connected to each of the 4 available ports.)

All components to build the board and populate all eight relay positions are supplied along with 240mm long IDC connection cable.

Specifications
PowerRegulated 12Vdc
Current Consumption300mA max (40mA standby plus ~30mA per active relay)
Outputs8 x SPDT Relays
Maximum Output
Load (Resistive)
Up to 48Vac or 28Vdc @ 5 Amps max. per relay (Relay Datasheet)
Output ConnectionsNO, NC, C (Relay FAQ)
Computer Interface16-pin IDC
Dimensions207mm x 67mm x 25mm (8.1" x 2.6" x 1")
ConnectionsPower: 2-pole screw terminal block
Relays: Screw terminal blocks
Computer: 16-pin IDC
Product FormatSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationProduct Documentation
Your Total:

ASSC21KT - 8-Channel SBC Binary Logic Relay Board (8 Relays) Selection

SELF-ASSEMBLY Relay Board Electronic KIT (8 Relays)
Quasar SC21KT - SELF-ASSEMBLY Relay Board Electronic KIT (8 Relays)
£23.29 £14.96 +VAT, £17.95 Inc | In Stock
PRE-ASSEMBLED Relay Board Module (8 Relays)
Quasar ASSC21 - PRE-ASSEMBLED Relay Board Module (8 Relays)
£34.00 £19.13 +VAT, £22.96 Inc | In Stock

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