BH1750 Raspberry Pi Pico VCC 3V3(OUT) GND GND SCL GPIO 5 SDA GPIO 4 ADDR* Don’t connectBy not connecting the ADDR pin, we’re selecting 0x23 I2C address. However, it’s always better to run an I2C scanner to be sure:Raspberry Pi Pico: I2C Scanner (MicroPython) – Finding the ...
FIG. 13 is a diagram of a slave unit in the form of appliance unit 3 from FIG. 1. Such units will be plugged into power supply outlets throughout a house by way of two-pin plug 17 for each appliance to be controlled only in an "on-off" mode. So that the slave unit can act ...