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Techbitar kindly gives a good tutorial on how to program(customize) the HC-05 Bluetooth (“BT”) module using what are called”AT commands“. In this post I’m going to put simple modifications on what he did, so that the BT module will not … Continue reading →
Apparently, there are two version 1 modules. The classic ‘blue’ one has 512kBytes (4Mbits) for its flash memory, let me call it the ESP8266-01a or just ESP-01a, and a black one that has 1MByte (8Mbits) memory let me call that … Continue reading →
This program allows a Wemos D1(Retired) board to act as a server in its own little private network It does not connect to a router. Strangely, too many pages claim “stand alone server” yet in their code actually attack it … Continue reading →
Updated again (Sat 5th Aug 2017): Here’s a suggestion on how to build the LED part of the circuit on the breadboard… The red, green and blue wires go to the pins you defined in the code. I think … Continue reading →