Questions tagged [wake-on-radio]

WOR or Wake On Radio

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2
votes
3answers
1k views

Low power amplifier for 433MHz wake up receiver

I’m designing a low power wakeup receiver (WuRx) circuit that will be used to wake up an Arduino and its 433 MHz transceiver, both of which pull way too much current (tens of milliamps) to keep ...
0
votes
1answer
68 views

Switch low-level to high-level signal

I don't think that there is an easy (or even any) solution to this, but maybe somebody can help me: I got a GPS module connected to another MCU. The GPS module works on its own and should wake up the ...
1
vote
2answers
724 views

Build remote wireless Wake-Up with Attiny85

I'm building a ultra-low-power system (mainly composed by an attiny85) that's in sleep state most of the time in order to extend battery life. I was wondering if there was any hack to wake up the ...
7
votes
4answers
6k views

RF Wakeup - Battling power consumption

I am currently using two nRF24L01+ (2.4 GHz RF transceivers) together with two AVRs to create a keyless entry system. My problem is battery lifetime when using a CR2032 battery to power the key. The ...
0
votes
2answers
790 views

Microcontroller with embedded radio and wake on radio [closed]

I am looking for a microcontroller that has radio and WOR (wake on radio) feature all in one...basically a system on chip solution with low power consumption. I was checking suppliers like TI etc... ...