To make easy changes i decided to add one pin connectors to all the wires. All cables have different colors, however i also wanted to put them quick in the same order as on the connector. So i put all the wires in the right order through an 8 pin Dupont housing. The plastic 8 pin housing can be put on any position as it can move free and is only for quick putting the wires in the right order.
(In fact it is a complete Dupont housing, i did cut of a small part of the housing where the holes for the wires are smaller.)Hope this little hack will prevent mixing up the wires.
I already did a quick test of the Led with a small 1.5V coin cell. When putting the 1.5V coin cell directly on the leads of the led it lights up. Connecting 1.5V to combinations of wires like VCC (Red), LED (Orange) and GND (Black) did not light the led.
A next step will be testing the RFID sensors, the led and buzzer. For the final part i need to decide if i will use an Arduino or an ESP module and where exactly i want to place this reader.
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