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Update esp8266 post
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@ -39,9 +39,12 @@ I've been using Adafruit for my shopping:
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_Besides this, you will need the usual hardware prototype equipment: a breadboard, some wires, soldering iron + wire, Serial USB cable._
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<p class='note'>
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Adafruit has stopped selling the HDC1008. One possible replacement is the [BME280](https://www.adafruit.com/product/2652). Adjusted sketch to work with the BME280 can be found [here](https://gist.github.com/mtl010957/9ee85fb404f65e15c440b08c659c0419).
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</p>
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### {% linkable_title Alternatives %}
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Since this article has been published the HDC1008 has been discontinued. Updated sketches are available for the following alternatives:
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- [DHT22 sensor](https://www.adafruit.com/product/385) and [updated sketch](https://gist.github.com/balloob/1176b6d87c2816bd07919ce6e29a19e9).
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- [BME280 sensor](https://www.adafruit.com/product/2652) and [updated sketch](https://gist.github.com/mtl010957/9ee85fb404f65e15c440b08c659c0419).
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### {% linkable_title Connections %}
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@ -111,7 +114,8 @@ void setup() {
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if (!hdc.begin()) {
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Serial.println("Couldn't find sensor!");
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while (1);
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}}
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}
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}
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void setup_wifi() {
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delay(10);
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@ -153,7 +157,8 @@ void reconnect() {
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}
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bool checkBound(float newValue, float prevValue, float maxDiff) {
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return newValue < prevValue - maxDiff || newValue > prevValue + maxDiff;
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return !isnan(newValue) &&
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(newValue < prevValue - maxDiff || newValue > prevValue + maxDiff);
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}
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long lastMsg = 0;
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