Easy Arduino TX/RX. How to pack different data-types in a struct and transmit it over several hundred metres using RadioHead
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€ 54,00 2 Adafruit Feather M0 RFM69HCW microcontrollers € 19,00 EREMIT 1S 10000 mAh Li-Po battery € 14,00 Olimex 1S 3000 mAh Li-Po battery € 2,00 CdS photoresistor € 1,00 Breadboard trim potentiometer 10kΩ € 1,00 Tactile button momentary switch € 1,00 Red LED (generic) € 7,00 Pololu power HD Micro Servo HD-1900A € 2,00 8 Ohm 0,2W loudspeaker (generic) € 1,00 ON Semiconductor TIP120 NPN Darlington-transistor € 8,00 2 Half-size transparent breadboards € 2,00 Breadboard mini modular black € 1,00 Jumper cables € 2,00 1µF 10V el. cap, 100Ω, 1kΩ and 4,7kΩ resistors € 115,00
μc https://www.adafruit.com/product/3176
RadioHead library https://www.airspayce.com/mikem/arduino/RadioHead/
Servo https://www.pololu.com/file/0J321/HD-1900A.pdf
Transistor https://www.onsemi.com/pub/Collateral/TIP120-D.PDF