In this video I show how a simple pulse generator can be used to fool an EBike speed sensor so that it no longer has a speed limitation. Feel free to EMail or comment with questions.
The parts are as follows:
Gerber files: https://drive.google.com/drive/u/1/folders/1qb8tLozOYnLHr3W1fOf9_D2Ce_y5krDN
https://drive.google.com/open?id=1q5QaBXMzvG26824YrhcdlKvss07sOk19
Where to get the board made: www.jlcpcb.com or www.smart-prototyping.com
Magnet wire for coil: https://www.jameco.com/z/28MAG-Magnet-Wire-28-AWG-520-Feet-1-4-lb-Plain-Enamel-Nylon-Insulated_2119355.html
555 Timer: https://www.jameco.com/z/LM555CN-R-Major-Brands-Standard-Timer-Single-8-Pin-PDIP_27423.html
33uF capacitor: https://www.jameco.com/z/R33-50-VP-R-Capacitor-Radial-33-uF-50-Volt-20-85c-6-3x11x2-5mm_93747.html
1uF capacitor: https://www.jameco.com/z/RA1-25-R-1-micro-F-25V-20-Radial-Capacitor-85C-5x11x1-5mm_330431.html
https://www.jameco.com/z/CF1-2W331JRC-Resistor-Carbon-Film-330-Ohm-1-2-Watt-5-_661386.html
51K resistor: https://www.jameco.com/z/CF1-4W512JRC-Resistor-Carbon-Film-5-1k-Ohm-1-4-Watt-5-_691032.html
Diode: https://www.jameco.com/z/1N4148--Major-Brands-100V-Small-Signal-Switching-Diode_36038.html
9V regulator: https://www.jameco.com/z/LM7809CT-Fairchild-Semiconductor-Standard-Regulator-9-Volt-1-Amp-3-Pin-3-Tab-TO-220_1958641.html