Difference between revisions of "6 Channel Relay Driver Card"
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* [https://qrp-labs.com/ultimatelpf.html Ultimate relay-switched LPF kit] | * [https://qrp-labs.com/ultimatelpf.html Ultimate relay-switched LPF kit] | ||
+ | ** [https://qrp-labs.com/images/ultimatelpf/ulpfmanual4.pdf Ultimate relay-switched LPF kit Build Instructions] | ||
+ | * Takes five [https://qrp-labs.com/bpfkit.html QRP Labs Bandpass Filters] | ||
[[file:Ultimate_Relay_Card_5.jpg]] | [[file:Ultimate_Relay_Card_5.jpg]] |
Revision as of 14:17, 28 November 2021
Contents
Features
- Drives Ultimate relay-switched LPF kit
- Inputs
- 6 channels
- Active-high in to drive relay to on state
- Only turn on one output at a time
- 1K to transistor base
- 2.7mA for 3.3V drive
- 4.3mA for 5V drive
- Outputs
- Open Collector outputs from 2N3904 NPN transistors
- Power
- 9-12V power in
- 5V power out to power relays
- DC jack
- 36x37mm card
- 3 PCBs for $11 from OshPark
Ultimate Relay Card
- Jumpers
Connectors
J1 - Input Connector
- N/C
- IN1
- IN2
- IN3
- IN4
- IN5
- IN6
- GND
J2 - Output Connector
- GND
- OUT6
- OUT5
- OUT4
- OUT3
- OUT2
- OUT1
- 5V OUT
Power Connector
- Center positive