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@projectweekend
projectweekend / read_serial.py
Last active October 4, 2023 02:22
Reading from a serial port in Python
import serial
# this port address is for the serial tx/rx pins on the GPIO header
SERIAL_PORT = '/dev/ttyAMA0'
# be sure to set this to the same rate used on the Arduino
SERIAL_RATE = 9600
def main():
@liu7yong
liu7yong / WifiConnection.java
Last active November 7, 2021 14:45
How to connect to a specific wifi network in Android programmatically?
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.SSID = String.format("\"%s\"", ssid);
wifiConfig.preSharedKey = String.format("\"%s\"", key);
WifiManager wifiManager = (WifiManager)getSystemService(WIFI_SERVICE);
//remember id
int netId = wifiManager.addNetwork(wifiConfig);
wifiManager.disconnect();
wifiManager.enableNetwork(netId, true);
wifiManager.reconnect();