It’s been over a year since we introduced the Elektor Wheelie (a self balancing single axle vehicle). Now the GT modification described here senses the speed of each road wheel to give better stability and improved performance over uneven terrain.
Signal processor board with ATMega8
Resistors
R1,R2 = 4.7kΩ
R3 = 10kΩ
Capacitors
C1,C2 = 10nF
C6,C7 = 27pF (or 22pF)
C3,C8 = 100nF
Semiconductors
D1 = 1N4148
IC1 = ATMega8-16PI, programmed)
Miscellaneous
X1 = 16MHz quartz crystal
K1 = 4-pin pinheader
K3,K4 = 3-pin pinheader
K2 = 6-pin (2x3) pinheader
PCB no. 100479-1*
Sensor board
Resistors
R1 = 10kOhm
Capacitors
C1 = 100nF
Semiconductors
IC1 = ATS665 (or ATS667, see text)
Miscellaneous
K1 = 3-pin pinheader
PCB no. 100479-2*
*A kit of parts containing signal processing board (100479-1), two sensor boards (100479-2) and all components is available from the Elektor ShopTarjeta de sensor
Books
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