Review of my first PCB design for a current meter shield? Answered
I am completely new in designing circuits and PCBs and would appreciate your feedback on my first project.
I want to measure the current flowing through an AC line using the ACS712 current sensor (IC1). The analog output (which is a proportional voltage between 0V and 5V) is converted using an ADS1115 (IC2). The digital signal is passed to an underlying Wemos D1 mini board via I2C, which contains an ESP8266 to process and send the data to a server.
Furthermore, an AC/DC module (HLK-PM01) is mounted on the bottom side of the PCB to power the components.