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Return of the Wi-Fi Controller Board

www-connect objects to your smartphone

Return of the Wi-Fi Controller Board
Connected Objects is what people covet today. Anything except the dog’s temper has to be controllable from a smartphone or tablet and even more ‘stuff’ must report back via the internet. If that’s what you really want, who are we to refute that desire? With our revamped Wi-Fi Controller Board you can control electric loads over the Internet and receive status information in return.
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Relevant websites
Extra info, Update
January 3, 2017 – The file 150402.html was flawed and did not allow all 8 GPIO pins of K4 to be controlled. This has been corrected in the download available above.
Component List
Resistors (0805)
R3,R4,R5,R6,R7,R8,R9,R10 = 10kOhm
R1,R2 = 220Ohm
Capacitors (0805)
C1,C3 = 100nF
C2,C4 = 10µF 16V, case A
IC1 = LD1117DT33
IC2 = ATmega328P-AU, programmed, Elektor Store # 150402-41
T1,T2,T3 = NDT3055L
D1,D2,D3,D4 = S1A
LED1 = LED, yellow
LED2 = LED, green
K1,K2 = 2-way PCB screw terminal block, 0.2’’ pitch
K3 = barrel jack, 2.5mm
K4 = 9-way pinheader socket, 0.1’’ pitch
K5 = 8-way (2x4) pinheader socket, 0.1’’ pitch
K6 = 6-way (2x3) pinheader, 0.1’’ pitch
ESP8266 Wi-Fi module, Elektor Store # 150445-91 (SKU-17326)
PCB v1.6, Elektor Store # 150402-1
ATmega firmware & fuse settings from [2]
App from Playstore: “WiFi control” by Elektor Team [3]
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