Hi. I've built myself an amplifier, and am happy with the results. In terms of switching on/off I run 230V mains into an Audiophonics soft start module, which has "switching by fugitive pushbutton low amperage or by trigger 2-12V".
So I have a push button switch attached to the +/- contacts of the soft start module "switch" connection (it also has separate +/- 'button' & 'trigger' connections).
I'd like to replace the push button with a touch switch, but I don't understand enough to feel I can ask the right questions.
I bought a non capacitive touch sensor switch - this needs a 3 - 30v DC supply. The sensor has 3 connections DC + In, Gnd, DC Out. I have connected it in place of the push button - well I connected the soft start 'switch +' to the DC + In, and the ss - to DC Out. This allowed the amp to power up, but no on/off unless I switch on/off at the mains.
I expected this to work, but am nervous about damaging equipment if I start playing around with other connection configurations.
Can anyone help?
Thanks
So I have a push button switch attached to the +/- contacts of the soft start module "switch" connection (it also has separate +/- 'button' & 'trigger' connections).
I'd like to replace the push button with a touch switch, but I don't understand enough to feel I can ask the right questions.
I bought a non capacitive touch sensor switch - this needs a 3 - 30v DC supply. The sensor has 3 connections DC + In, Gnd, DC Out. I have connected it in place of the push button - well I connected the soft start 'switch +' to the DC + In, and the ss - to DC Out. This allowed the amp to power up, but no on/off unless I switch on/off at the mains.
I expected this to work, but am nervous about damaging equipment if I start playing around with other connection configurations.
Can anyone help?
Thanks
What Audiophonics soft start module do you have?
You can connect the sensor switch DC+ in to the module Vcc (+12VDC), DC out to module trigger input+, Gnd to trigger input - or ground.
You can connect the sensor switch DC+ in to the module Vcc (+12VDC), DC out to module trigger input+, Gnd to trigger input - or ground.
Hi Chris - the Audiophonics soft start module has SST30 V1. 03 written on the PCB. I won't be home for a little while, so will test then. I'm not sure the soft start has a +12v DC out. I'll try to get a pic, and post it in this thread.
Thanks
Thanks
Where do you connect the touch sensor switch Gnd wire?The sensor has 3 connections DC + In, Gnd, DC Out. I have connected it in place of the push button - well I connected the soft start 'switch +' to the DC + In, and the ss - to DC Out. This allowed the amp to power up, but no on/off unless I switch on/off at the mains.
To the aluminium chassis body.
The ss module +/- connections were from the Interrupteur/Switch (bistable)
The ss module +/- connections were from the Interrupteur/Switch (bistable)
The Gnd wire should be connects to the ground of the module, can you post an image to show the back side of the module?
The 555 chip pin #1 should be connected to the module PCB trace ground (0V), and the touch sensor switch ground wire should also be connected to this ground.
- Home
- Design & Build
- Parts
- Touch sensor on/off switch