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As you know we will be using WeMos boards which resemble an Arduino (Uno) but are built based on ESP8266 module. The price, processor power (its 80MHz allows simple low colour video) and flash memory seem superior to that of … Continue reading →
Update: We have the WeMos D1 (Revision 1) and NOT as I first thought the D1 R2! After Installing the “WeMos drivers” into the Arduino IDE –> follow these instructions: http://www.wemos.cc/tutorial/get-started-arduino.html I’ve tried the blink sketch. It took quite a long … Continue reading →
Last time we used an LM386 amp to try and amplify the sound from a standard ‘condenser’ microphone. It didn’t work that well and we didn’t have that much time to try and play with it to get it working … Continue reading →
9701-chemistry-p53-winter-2015-v1 I haven’t given you this paper yet, but I’m uploading the Teachers report in advance while I have the time. Not looked at the mark scheme for this paper either (same as variant P51)