![Detecting and controlling mains voltages with a Raspberry Pi or Arduino | Experiments using a Raspberry Pi and solid state relays (SSRs) to sense the presence of mains electricity and switch loads Detecting and controlling mains voltages with a Raspberry Pi or Arduino | Experiments using a Raspberry Pi and solid state relays (SSRs) to sense the presence of mains electricity and switch loads](https://pdcastro.github.io/mains-io/assets/img/mains-io-drawing.png)
Detecting and controlling mains voltages with a Raspberry Pi or Arduino | Experiments using a Raspberry Pi and solid state relays (SSRs) to sense the presence of mains electricity and switch loads
![Amazon.com: 4-CH Current/Voltage/Power Monitor HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/W, I2C/SMBus Interface Onboard 0.1Ω 1% Sampling Resistor Measure Bi-Directional Current up to 3.2A Embed 12-bit ADC : Electronics Amazon.com: 4-CH Current/Voltage/Power Monitor HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/W, I2C/SMBus Interface Onboard 0.1Ω 1% Sampling Resistor Measure Bi-Directional Current up to 3.2A Embed 12-bit ADC : Electronics](https://m.media-amazon.com/images/I/71XXAYpf4UL.jpg)
Amazon.com: 4-CH Current/Voltage/Power Monitor HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/W, I2C/SMBus Interface Onboard 0.1Ω 1% Sampling Resistor Measure Bi-Directional Current up to 3.2A Embed 12-bit ADC : Electronics
![Analog voltage sensor with ADS1115 by Raspberry pi and Node red | Analog Raspberry pi Node Red - YouTube Analog voltage sensor with ADS1115 by Raspberry pi and Node red | Analog Raspberry pi Node Red - YouTube](https://i.ytimg.com/vi/ze8T0gyVrdY/maxresdefault.jpg)
Analog voltage sensor with ADS1115 by Raspberry pi and Node red | Analog Raspberry pi Node Red - YouTube
![Raspberry Pi Wall Adapter Power Supply - 5.1VDC, 3.0A, 15.3W (USB-C) - TOL-15448 - SparkFun Electronics Raspberry Pi Wall Adapter Power Supply - 5.1VDC, 3.0A, 15.3W (USB-C) - TOL-15448 - SparkFun Electronics](https://cdn.sparkfun.com/assets/parts/1/4/0/2/3/15448-Raspberry_Pi_Wall_Adapter_Power_Supply_-_5.1VDC__3.0A__15.3W__USB-C_-01.jpg)
Raspberry Pi Wall Adapter Power Supply - 5.1VDC, 3.0A, 15.3W (USB-C) - TOL-15448 - SparkFun Electronics
![Stable Power Supply 5V-5A for Raspberry Pi on your Drone - Companion Computers - ArduPilot Discourse Stable Power Supply 5V-5A for Raspberry Pi on your Drone - Companion Computers - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/3X/7/4/7471ba9acc4d4fd3e9494813d591c4b8051c21c9.jpeg)