Search found 5 matches

by xavier32
Mon Feb 12, 2024 2:57 pm
Forum: Hardware
Topic: ESP32 - Battery powered on demand
Replies: 1
Views: 792

ESP32 - Battery powered on demand

I would like to convert my ESP32 PIR sensor from continuous battery powered to battery powered on demand. When I'm home - don't need to waste battery energy. What are the options? Manual ON/Off switch BLE Relay module 433Mhz Relay module Why I search this? Because my home security PIR sensor is work...
by xavier32
Mon Feb 12, 2024 2:35 pm
Forum: Hardware
Topic: ESP32-CAM and PIR sensor
Replies: 6
Views: 2303

Re: ESP32-CAM and PIR sensor

I tested. The latch circuit is working fine.
Thanks
by xavier32
Tue Jan 23, 2024 7:23 am
Forum: Hardware
Topic: ESP32-CAM and PIR sensor
Replies: 6
Views: 2303

Re: ESP32-CAM and PIR sensor

Wow! This is the circuit I'm looking for. I will try it.
Thank you very much
by xavier32
Sat Jan 20, 2024 11:36 am
Forum: Hardware
Topic: ESP32-CAM and PIR sensor
Replies: 6
Views: 2303

Re: ESP32-CAM and PIR sensor

I could test it if I have a schematic of this latching circuit. Thanks
by xavier32
Fri Jan 19, 2024 10:31 am
Forum: Hardware
Topic: ESP32-CAM and PIR sensor
Replies: 6
Views: 2303

ESP32-CAM and PIR sensor

I'm looking for a lowest battery consumption, and the battery size not very heavy. With ESP32-CAM in deep sleep mode I have 4mA current draw. The battery capacity is 1500mA. This configuration will run maximum 15 days. Now I tested a PIR sensor SR-602. It takes only 1uA or 0.001mA! The lowest batter...