static unsigned long lastTime = 0;
static float current = 0.0001; // 100 uA

void setup() {
    chipName("Non Linear Current Source");
    pin(1, "GND", GROUND);
    pin(2, "IN");
    pin(3, "OUT");
    pin(4, "VCC", POWER);
    // Set up a non-linear current source between pins 2
    // and 3, with an initial current of 100 uA
    currentSource(3, 2, current, NON_LINEAR);
}

void loop() {
    // Check if 100 ms have passed
    if (millis() - lastTime >= 100) {
        // Update the last recorded time
        lastTime = millis();
        // Increase the current by 100 uA
        current += 0.0001;
        if (current >= 0.01) {
            // Reset the current to 100 uA if it reaches 10 mA
            current = 0.0001;
        }
        // Update the current source with the new current value
        currentSource(3, 2, current);
    }
}