[OpenTRV-dev] OT: GSM remote control in car
EMAIL ADDRESS HIDDEN
Tue Mar 3 16:28:04 GMT 2015
regulator is a TI MC34063AD only 1.5 A as the max...
schematic of this remote control thing is here:
parts list (about half way down page):
2015-03-03 17:10 GMT+01:00 Adrian Godwin <EMAIL ADDRESS HIDDEN>:
> Probably a cap and diode will fix it. Measure the current the GSM module
> takes (while transmitting) to be dure. If not, use a tricklecharged battery
> When you turn the starter, the battery voltage can fall very low and may
> well drop below what the module power supply needs.
> On Tue, Mar 3, 2015 at 3:56 PM, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>
>> Sorry for the Off Topic
>> But i have on the shelf a gsm remote control i build last year... it
>> works fine but as soon i start the engine the GSM module goes
>> disconnects from the cell network
>> i could just power that off and turn it on should it loose connection
>> but i wondered if a fix could also be a big cap and a diode ? or maybe
>> a small lithium pack and a small charge circuit?
>> OpenTRV-dev mailing list
>> EMAIL ADDRESS HIDDEN
> OpenTRV-dev mailing list
> EMAIL ADDRESS HIDDEN
More information about the OpenTRV-dev