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Wireless ‘Next Track’ button for the Media Player
It’s always a bonus when you realize you can use part of a previous Elektor project to solve a completely different problem. In this instance we use the transmitter design from the recent ‘Wireless Quizbuttons’ project in combination with some clever Hoodloader software for the Arduino to provide a remote control function for a media player running on a PC.
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
Elektor recommends the Elektor PCB Service service from its business partner Eurocircuits or AISLER as the best services for its own prototypes and volume production.
The use of our Gerber files is provided under a modified Creative Commons license. Creative Commons offers authors, scientists, educators and other creatives the freedom to handle their copyright in a more free way without losing their ownership.
PCB
Extra info / Update
From the Store
150650-1 Receiver PCB in USB-stick form.
150650-41 Microcontroller, Receiver.
150650-71 Kit of parts, including Receiver PCB in USB-stick form, transmitter PCB (from the ‘Wireless Quiz’ project), all components including radio module and USB enclosure.
150180-1 ELPB-NG prototyping PCB to build the initial receiver design.
150499-2 Transmitter PCB (Wireless Quizbuttons).
150499-42 Microcontroller, Transmitter (Wireless Quizbuttons).
150499-91 Populated radio module.
150650-1 Receiver PCB in USB-stick form.
150650-41 Microcontroller, Receiver.
150650-71 Kit of parts, including Receiver PCB in USB-stick form, transmitter PCB (from the ‘Wireless Quiz’ project), all components including radio module and USB enclosure.
150180-1 ELPB-NG prototyping PCB to build the initial receiver design.
150499-2 Transmitter PCB (Wireless Quizbuttons).
150499-42 Microcontroller, Transmitter (Wireless Quizbuttons).
150499-91 Populated radio module.
Component list
Component List, Arduino Shield
Resistor
R1 = 1kOhm
Capacitor
C1 = 100µF 50V, 3.5mm pitch, 8mm diam.
Semiconductor
LED1 = LED, green, 3mm
Miscellaneous
MOD1 = NRF24L01+ 2.4 GHz Wireless-Transceiver module, Elektor Store # 150499-91)
K1 = 6-pin pinheader, 0.1’’ pitch
K,K3 = 8-pin pinheader, 0.1’’ pitch
K4 = 10-pin pinheader, 0.1’’ pitch
K5 = 8-way (2x4) pinheader socket, 0.1’’ pitch
PCB # 150180-1 v1.0 (ELPB-Ng)
Component List, USB-Stick Receiver
Resistors
R1 = 10kOhm, 100mW, SMD 0603
R2 = 220Ohm, 100mW, SMD 0603
R3,R4 = 22Ohm, 100mW, SMD 0603
Capacitors
C1 = 1µF 25V, SMD 0603
C2 = 100nF 16V, SMD 0603
C3.C4 = 22pF 50V, SMD 0603 (C0G/NP0)
C5 = 10µF 16V, SMD 1206
Inductors:
L1 = ferrite bead, 0.4Ohm, 200mA (Murata BLM21BD102SN1D)
Semiconductors
LED1 = LED, red, 3mm
D1,D2 = ESD suppressor diode (Littelfuse PGB1010603MR)
IC1 = ATmega16U2-AU, programmed, # 150499-41
Miscellaneous
F1 = 500 mA resetting PTC fuse, 15V (Bourns MF-MSMF050-2)
X1 = 16 MHz quartz crystal, 5x3.2mm
K1 = USB-A 2.0, right angled (SMD)
S1 = pushbutton, optional
MOD1 = NRF24L01+ 2.4GHz Wireless Transceiver module (Elektor Store # 150499-91)
USB Stick case (Strabubox USB1SW)
PCB # 150650-1 v1.0
Component List, Transmitter
Resistors
Carbon film, 5%, 0.25W, 250V
R1 = 10kOhm
R2 = 6.8kOhm
Capacitors
C1,C2 = 100nF 50V, X7R, 5mm pitch
C3 = 100μF 50V, 3.5mm pitch, 8x11mm
Semiconductor
IC1 = ATtiny85-20PU, programmed, Elektor Store # 150499-42
Miscellaneous
Bt1 = Battery halter for CR2032
K1 = 2x3-polige Stiftleiste
S1 = pushbutton weith large cap, (Sparkfun, red: COM-09181, green: COM-11275, blue: COM-11274)
PCB, Elektor Store # 150499-2 v1.0
8-way (2x4) pinheader and socket pair, 0.1’’ pitch (for MOD1)
CR2032 Lithium battery
MOD1 = NRF24L01+ 2.4GHz Wireless Transceiver module (Elektor Store # 150499-91)
Resistor
R1 = 1kOhm
Capacitor
C1 = 100µF 50V, 3.5mm pitch, 8mm diam.
Semiconductor
LED1 = LED, green, 3mm
Miscellaneous
MOD1 = NRF24L01+ 2.4 GHz Wireless-Transceiver module, Elektor Store # 150499-91)
K1 = 6-pin pinheader, 0.1’’ pitch
K,K3 = 8-pin pinheader, 0.1’’ pitch
K4 = 10-pin pinheader, 0.1’’ pitch
K5 = 8-way (2x4) pinheader socket, 0.1’’ pitch
PCB # 150180-1 v1.0 (ELPB-Ng)
Component List, USB-Stick Receiver
Resistors
R1 = 10kOhm, 100mW, SMD 0603
R2 = 220Ohm, 100mW, SMD 0603
R3,R4 = 22Ohm, 100mW, SMD 0603
Capacitors
C1 = 1µF 25V, SMD 0603
C2 = 100nF 16V, SMD 0603
C3.C4 = 22pF 50V, SMD 0603 (C0G/NP0)
C5 = 10µF 16V, SMD 1206
Inductors:
L1 = ferrite bead, 0.4Ohm, 200mA (Murata BLM21BD102SN1D)
Semiconductors
LED1 = LED, red, 3mm
D1,D2 = ESD suppressor diode (Littelfuse PGB1010603MR)
IC1 = ATmega16U2-AU, programmed, # 150499-41
Miscellaneous
F1 = 500 mA resetting PTC fuse, 15V (Bourns MF-MSMF050-2)
X1 = 16 MHz quartz crystal, 5x3.2mm
K1 = USB-A 2.0, right angled (SMD)
S1 = pushbutton, optional
MOD1 = NRF24L01+ 2.4GHz Wireless Transceiver module (Elektor Store # 150499-91)
USB Stick case (Strabubox USB1SW)
PCB # 150650-1 v1.0
Component List, Transmitter
Resistors
Carbon film, 5%, 0.25W, 250V
R1 = 10kOhm
R2 = 6.8kOhm
Capacitors
C1,C2 = 100nF 50V, X7R, 5mm pitch
C3 = 100μF 50V, 3.5mm pitch, 8x11mm
Semiconductor
IC1 = ATtiny85-20PU, programmed, Elektor Store # 150499-42
Miscellaneous
Bt1 = Battery halter for CR2032
K1 = 2x3-polige Stiftleiste
S1 = pushbutton weith large cap, (Sparkfun, red: COM-09181, green: COM-11275, blue: COM-11274)
PCB, Elektor Store # 150499-2 v1.0
8-way (2x4) pinheader and socket pair, 0.1’’ pitch (for MOD1)
CR2032 Lithium battery
MOD1 = NRF24L01+ 2.4GHz Wireless Transceiver module (Elektor Store # 150499-91)
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